public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int m = scanner.nextInt();
assert 1 <= m && m <= 100 : "out of range, m: " + m;
int s = scanner.nextInt();
assert 0 <= s && s <= 900 : "out of range, s: " + s;
if (s > 9 * m || (s == 0 && m > 1)) {
System.out.println("-1 -1");
return;
}
if (m == 1 && s == 0) {
System.out.println("0 0");
return;
}
StringBuilder sb = new StringBuilder();
int l = 0;
for (int i = 0; i < m; i++) {
int d = (s >= 9) ? 9 : s;
sb.append(d);
s -= d;
if (d != 0) {
l = i;
}
}
String large = sb.toString();
if (sb.charAt(m - 1) == '0') {
sb.setCharAt(l, (char) (sb.charAt(l) - 1));
sb.setCharAt(m - 1, '1');
}
String small = sb.reverse().toString();
System.out.printf("%s %s", small, large);
}
public static void main(String[] args) throws IOException {
Scanner s = new Scanner(new File("gift1.in"));
PrintWriter out = new PrintWriter(new FileWriter("gift1.out"));
int people = s.nextInt();
HashMap<String, Integer> moneyGiven = new HashMap<String, Integer>();
HashMap<String, Integer> moneyReceived = new HashMap<String, Integer>();
String[] names = new String[people];
for (int x = 0; x < people; x++) {
String name = s.next();
names[x] = name;
moneyGiven.put(name, 0);
moneyReceived.put(name, 0);
}
for (int x = 0; x < people; x++) {
String person = s.next();
int give = s.nextInt();
int receivers = s.nextInt();
if (receivers == 0) continue;
give = give - give % receivers;
moneyGiven.put(person, give);
for (int y = 0; y < receivers; y++) {
String name = s.next();
moneyReceived.put(name, give / receivers + moneyReceived.get(name));
}
}
for (int x = 0; x < people; x++) {
out.println(names[x] + " " + (moneyReceived.get(names[x]) - moneyGiven.get(names[x])));
}
out.close();
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int T = sc.nextInt();
long d3 = 3, d5 = 5, d15 = 15;
long n3 = 0, n5 = 0, n15 = 0;
if ((1 <= T) && (T <= 100000)) {
for (int j = 0; j < T; j++) {
long sum3 = 0, sum5 = 0, sum15 = 0, sum = 0;
long l3, l5, l15 = 0;
int N = sc.nextInt();
if ((1 <= N) && (N <= 1000000000)) {
N = N - 1;
l3 = N % 3;
l3 = N - l3;
n3 = (l3 - 3) / 3 + 1;
sum3 = (3 * ((n3) + 1) * (n3)) / 2;
l5 = N % 5;
l5 = N - l5;
n5 = (l5 - 5) / 5 + 1;
sum5 = (5 * ((n5) + 1) * (n5)) / 2;
l15 = N % 15;
l15 = N - l15;
n15 = (l15 - 15) / 15 + 1;
sum15 = (15 * ((n15) + 1) * (n15)) / 2;
sum = sum3 + sum5 - sum15;
System.out.println(sum);
}
}
}
}
public static void main(String args[]) {
Scanner cin = new Scanner(System.in);
int num = cin.nextInt();
for (int i = 0; i < num; i++) {
int policy = cin.nextInt();
int english = cin.nextInt();
int math = cin.nextInt();
int major = cin.nextInt();
int total = policy + english + math + major;
// 如果是Fail
if (policy < 60 || english < 60 || math < 90 || major < 90 || total < 310) {
System.out.println("Fail");
}
// 如果是Zifei
else if (total < 350) {
System.out.println("Zifei");
}
// 如果是Gongfei
else {
System.out.println("Gongfei");
}
}
}
public static void main(String[] args) throws FileNotFoundException {
Scanner sc = new Scanner(new File("J.in"));
for (int z = 1; ; z++) {
int R = sc.nextInt();
int T = sc.nextInt();
if (R == 0 && T == 0) break;
int[][] flow = new int[R + 3][R + 3];
int s = flow.length - 2;
int e = flow.length - 1;
for (int i = 0; i < T; i++) {
int a = sc.nextInt();
int b = sc.nextInt();
flow[a][b]++;
flow[b][a]++;
}
flow[0][e] = 100000000;
int[] cost = new int[R + 1];
for (int i = 0; i < cost.length; i++) {
if (i == 0) cost[0] = Integer.MAX_VALUE;
else {
int[][] fl = new int[R + 3][R + 3];
for (int j = 0; j < fl.length; j++)
for (int k = 0; k < fl.length; k++) fl[j][k] = flow[j][k];
fl[s][i] = 100000000;
cost[i] = maxflow(s, e, fl);
}
}
// System.out.println(Arrays.toString(cost));
int f = dijkstra(1, 0, cost, flow);
System.out.println("Case " + z + ": " + f + "\n");
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner in = new Scanner(System.in);
int t = in.nextInt();
TreeMap<Long, Long> tmap = new TreeMap<>();
long res = 0;
while (t-- > 0) {
res = 0;
int n = in.nextInt();
long m = in.nextLong();
tmap.clear();
long[] arr = new long[n];
res = in.nextLong();
arr[0] = res % m;
res = Long.MIN_VALUE;
tmap.put(arr[0], arr[0]);
for (int i = 1; i < arr.length; i++) {
arr[i] = in.nextLong();
arr[i] %= m;
arr[i] += arr[i - 1];
arr[i] %= m;
if (tmap.higherEntry(arr[i]) == null) {
res = Math.max(res, arr[i]);
tmap.put(arr[i], arr[i]);
continue;
}
long val = tmap.higherEntry(arr[i]).getValue();
res = Math.max(res, (arr[i] - val + m) % m);
tmap.put(arr[i], arr[i]);
}
System.out.println(res);
}
}
public static void main(String args[]) {
int N;
Scanner in = new Scanner(System.in);
N = in.nextInt();
int arr[] = new int[N];
ArrayList even = new ArrayList();
ArrayList odd = new ArrayList();
ArrayList list = new ArrayList();
for (int i = 0; i < N; i++) {
arr[i] = in.nextInt();
}
int evenSum = 0;
int oddSum = 0;
for (int i = 0; i < N; i++) {
if (arr[i] % 2 == 0) {
even.add(arr[i]);
evenSum = evenSum + arr[i];
} else {
odd.add(arr[i]);
oddSum = oddSum + arr[i];
}
}
even.add(evenSum);
odd.add(oddSum);
Collections.sort(even);
Collections.sort(odd);
list.addAll(even);
list.addAll(odd);
Iterator itr = list.iterator();
while (itr.hasNext()) {
System.out.println(itr.next());
}
}
public static void modificarDatosAlumno(ArrayList arrayL) {
int matricula = 0;
Scanner tec = new Scanner(System.in);
System.out.println("Introduzca la matricula del alumno a modificar: ");
matricula = tec.nextInt();
tec.nextLine();
Alumno alum1;
alum1 = buscarAlumnoPorMatricula(arrayL, matricula);
if (alum1 != null) {
System.out.println("Alumno encontrado que desea modificar: ");
int opcion1 = 0;
while (opcion1 < 10) {
System.out.println("1- Modificar Numero de matricula");
System.out.println("2- Modificar Nombre");
System.out.println("3- Modificar telefono");
System.out.println("4- Modificar apellido");
System.out.println("10- salir");
opcion1 = tec.nextInt();
tec.nextLine();
switch (opcion1) {
case 1:
int mat = 0;
System.out.println("Introduzca el nuevo numero de matricula");
alum1.setMatricula(matricula);
break;
}
}
} else System.out.println("Esta matricula no corresponde a ningun alumno");
}
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
try {
Scanner sc = new Scanner(new File("/home/santosh/Desktop/testData"));
int testCases = sc.nextInt();
int i = 0;
ArrayList<ArrayList<Integer>> inputArraysList = new ArrayList<ArrayList<Integer>>();
ArrayList<Integer> list;
while (i++ < testCases) {
int n = sc.nextInt();
int k = 0;
list = new ArrayList<Integer>();
while (k < n) {
list.add(sc.nextInt());
k++;
}
inputArraysList.add(list);
}
// System.out.println(inputArraysList.size());
for (ArrayList<Integer> arr : inputArraysList) {
countPairs(arr.toArray(new Integer[arr.size()]));
}
} catch (Exception e) {
}
}
/* Helpers */
private static InputArgs input() throws IOException {
System.out.println("2.2 Return Kth to Last");
// read K
System.out.print("Please input K: ");
Scanner sc = new Scanner(System.in);
int k = sc.nextInt();
// read number of nodes
System.out.println();
System.out.print("Please input the number of nodes in the linked list: ");
int n = sc.nextInt();
// read linked list
System.out.println();
System.out.print("Please input value of nodes (seperate by space, e.g., 1 2 3): ");
ListNode dummy = new ListNode(0);
ListNode pre = dummy;
for (int i = 0; i < n; i++) {
ListNode cur = new ListNode(sc.nextInt());
pre.next = cur;
pre = cur;
}
return new InputArgs(k, dummy.next);
}
public void solve() throws Exception {
int n = in.nextInt();
int[] a = new int[n];
int sum = 0;
for (int i = 0; i < n; i++) {
a[i] = in.nextInt();
sum += a[i];
}
sum /= 2;
boolean[] dp = new boolean[sum + 1];
dp[0] = true;
for (int tmp : a) {
for (int i = sum; i >= tmp; i--) {
if (dp[i - tmp]) {
dp[i] = true;
}
}
}
String ans = dp[sum] ? "YES" : "NO";
out.println(ans);
}
/**
* Build Sample Method. Builds a simulation of a biological sample. Data is read in from a file to
* create the sample, then the sample simulation data is stored in the two dimensional arrays:
* Dish, DishCur, and DishFut.
*
* @param No Parameters
* @return void - Does not return a value
* @exception FileNotFoundException
*/
public void buildSample() throws FileNotFoundException {
try {
Scanner InFile = new Scanner(new File(this.Input));
this.Gen = InFile.nextInt();
for (int i = 0; i < MaxK; i++) {
this.D[i] = InFile.nextInt();
}
for (int r = 0; r < LoopBounds; r++) {
for (int c = 0; c < LoopBounds; c++) {
this.Dish[r][c] = InFile.nextInt();
}
}
InFile.close();
for (int r = 0; r < LoopBounds; r++) {
for (int c = 0; c < LoopBounds; c++) {
DishCur[r][c] = this.Dish[r][c];
}
}
for (int r = 0; r < LoopBounds; r++) {
for (int c = 0; c < LoopBounds; c++) {
DishFut[r][c] = DishCur[r][c];
}
}
} catch (Exception E) {
System.out.println("Something went wrong reading from file");
}
}
/*
* Similar to makeSureValInRange function except it is meant to return
* more than one values of valid user input via LinkedList and it will
* not return unless all of the input is valid
* @param1 scanner object
* @param2 lowerbound int
* @param3 upperbound int
* @param4 String that represents the entity we are entering the values for
*/
public static LinkedList<Integer> makeSureValInRange2(
Scanner scan, int lowerbound, int upperbound, String inputFor) {
assert (lowerbound <= upperbound);
LinkedList<Integer> list = new LinkedList<Integer>();
System.out.println(
SearchCriteria.prioritySetUpString(
SearchCriteria.StringEnum.SELECT_CRITERIA, inputFor)); // prints the options to the user
int value = scan.nextInt();
if (valInRange(lowerbound, upperbound, value)) {
list.add(value); // If the first inputted is in range then we add more values
boolean done = false;
int i = lowerbound;
while (!done
&& i < upperbound) { // keep looking for input until user enters a duplicate value
// or the LinkedList of input is full
value = scan.nextInt();
if (!list.contains(value) && valInRange(lowerbound, upperbound, value)) list.add(value);
else done = true;
i++;
}
return list;
} else { // If the first value intered is not valid, then we return a null, which means that
// we use default values (all values within range)
System.out.println(
SearchCriteria.prioritySetUpString(SearchCriteria.StringEnum.DEFAULT, inputFor));
return null;
}
}
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner(new File("B.in"));
System.setOut(new PrintStream("B.out"));
// sc = new Scanner(System.in);
List<Integer> pr = new ArrayList<Integer>();
boolean[] comp = new boolean[300000];
for (int i = 2; i < 550; i++) {
if (p(i) && !comp[i]) {
for (int j = 2; i * j < 300000; j++) {
comp[i * j] = true;
}
pr.add(i);
}
}
for (int i = 550; i < 300000; i++) {
if (p(i) && !comp[i]) pr.add(i);
}
// System.out.println(pr);
for (int n = sc.nextInt(); n != 1; n = sc.nextInt()) {
System.out.print(n + ":");
for (int i = 0; i < pr.size(); i++) {
if (n % pr.get(i) == 0) System.out.print(" " + pr.get(i));
}
System.out.println();
}
}
public static void main(String[] args) throws IOException {
Scanner scan = new Scanner(/*System.in*/ new File("ariprog.in"));
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("ariprog.out")));
int length = scan.nextInt();
int max = scan.nextInt();
int[] squares = new int[(max) * max * 2 + 1];
// ArrayList<Integer> squares = new ArrayList<Integer>();
for (int i = 0; i <= max; i++) {
for (int j = i; j <= max; j++) {
squares[i * i + j * j] = 1;
}
}
ArrayList<Integer> starts = new ArrayList<Integer>();
ArrayList<Integer> diffs = new ArrayList<Integer>();
boolean has = false;
for (int diff = 1; diff <= ((max * max * 2 / (length - 1))); diff++) {
for (int start = 0; start < squares.length - length; start++) {
if (squares[start] == 1) {
if (check(diff, start, squares, length)) {
starts.add(start);
diffs.add(diff);
// out.println(squares[start] + " " + diff);
has = true;
}
}
}
}
remove(starts, diffs);
for (int i = 0; i < starts.size(); i++) {
/*System.*/ out.println(starts.get(i) + " " + diffs.get(i));
}
if (!has) /*System.*/ out.println("NONE");
out.close();
System.exit(0);
}
public static void main(String... orange) throws IOException {
Scanner scan = new Scanner(new File("barn1.in"));
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("barn1.out")));
int bars = scan.nextInt();
int total = scan.nextInt();
int have = scan.nextInt();
ArrayList<Integer> values = new ArrayList<Integer>();
ArrayList<Integer> locations = new ArrayList<Integer>();
for (int i = 0; i < have; i++) {
values.add(scan.nextInt());
}
Collections.sort(values);
int first = values.get(0);
for (int i = 1; i < have; i++) {
int current = values.get(i);
locations.add(current - first);
first = current;
}
if (bars >= have) {
out.println(have);
} else {
for (int i = 0; i < bars - 1; i++) {
locations.remove(Collections.max(locations));
}
int sum = 0;
for (int i = 0; i < locations.size(); i++) sum += locations.get(i);
sum += bars;
out.println(sum);
}
out.close();
System.exit(0);
}
public static void main(String[] args) {
// TODO Auto-generated method stub
// keep this function call here
Scanner s = new Scanner(System.in);
Function8 c = new Function8();
System.out.print(c.CheckNums(s.nextInt(), s.nextInt()));
}
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner in = new Scanner(System.in);
int N = in.nextInt();
Node[] nodes = new Node[N];
for (int i = 0; i < N; i++) {
nodes[i] = new Node(i + 1);
}
for (int i = 0; i < N; i++) {
int a = in.nextInt();
int b = in.nextInt();
Node n = nodes[i];
if (a != -1) n.left = nodes[a - 1];
if (b != -1) n.right = nodes[b - 1];
}
int T = in.nextInt();
for (int i = 0; i < T; i++) {
int K = in.nextInt();
swap(nodes[0], K, 1);
Inorder(nodes[0]);
System.out.println("");
}
}
public static void main(String[] args) throws Exception {
long[] ans = new long[30];
ans[1] = 1;
ans[2] = 9;
ans[3] = 89;
ans[4] = 89;
long step = 500;
for (int i = 5; i <= 20; ++i) {
long now = ans[i - 1];
while (!check(now, i)) now += step;
ans[i] = now;
// System.out.println(ans[i]);
step *= 5;
}
for (int i = 1; i <= 20; ++i) {
System.out.printf("a[%d]=%dll;\n", i, ans[i]);
}
Scanner cin = new Scanner(new BufferedInputStream(System.in));
int tests = cin.nextInt();
int ca = 0;
while (tests-- > 0) {
int n = cin.nextInt();
System.out.printf("%d %d ", ++ca, n);
System.out.println(ans[n]);
}
}
public void load(File target) {
try {
Scanner input = new Scanner(target);
// Loads in the initial information, resets some values, such as scores, as well
sideLength_ = input.nextInt();
currentPlayer_ = input.nextInt();
board_ = new int[sideLength_][sideLength_];
totalMovesPossible_ = (sideLength_ - 2) * (sideLength_ - 2) - 4;
p1Score_ = 0;
p2Score_ = 0;
emptySpacesLeft_ = 0;
input.nextLine(); // Extra nextLine method to get past the first two lines
for (int y = 0; input.hasNextLine(); y++) {
String[] stringLine = input.nextLine().split(valueSeparator_);
for (int x = 0; x < stringLine.length; x++) {
int value = Integer.parseInt(stringLine[x]);
board_[x][y] = value;
if (value == 1) {
p1Score_++;
} else if (value == 2) {
p2Score_++;
} else if (value == 0) {
emptySpacesLeft_++;
}
}
}
input.close();
} catch (Exception e) {
System.out.println(e);
}
}
public static int[][] getData(String fileName) {
Vector<String> dataSet = new Vector<String>();
String oneLine = "";
int[][] data = new int[1][1];
try {
Scanner sc = new Scanner(new File(fileName));
while (sc.hasNextLine()) {
oneLine = sc.nextLine();
dataSet.add(oneLine);
}
sc.close();
int row = dataSet.size() - 1;
data = new int[row][2];
for (int i = 1; i < row + 1; i++) {
sc = new Scanner(dataSet.elementAt(i)).useDelimiter(" ");
data[i - 1][1] = sc.nextInt();
for (int j = 0; j < 2; j++) {
sc.next();
}
data[i - 1][0] = sc.nextInt();
sc.close();
}
sc.close();
} catch (Exception e) {
e.printStackTrace();
System.exit(0);
}
return data;
}
public static void main(String[] args) {
// Declarations.
Scanner sc = new Scanner(System.in);
int CASES = 0;
// Load values
CASES = sc.nextInt();
// Iterate test cases
for (int i = 0; i < CASES; i++) {
// Declare values
int Px, Py, Qx, Qy, Sx, Sy, difX, difY;
// Load Values
Px = sc.nextInt();
Py = sc.nextInt();
Qx = sc.nextInt();
Qy = sc.nextInt();
// Calculate the diffrence
difX = Qx - Px;
difY = Qy - Py;
// Calculate Symmetric points
Sx = Px + (2 * difX);
Sy = Py + (2 * difY);
// Print the Symmetric points
System.out.println(Sx + " " + Sy);
}
}
public static void readInput() {
n = sc.nextInt();
fibI = new int[n];
for (int i = 0; i < n; i++) fibI[i] = sc.nextInt();
sc.nextLine();
cipher = sc.nextLine().replaceAll("[^A-Z]", "");
}
public static void main(String[] args) throws IOException {
LinkedList<char[]> items = new LinkedList<char[]>();
Scanner kb = new Scanner(System.in);
System.out.println("Enter the number of Set N: ");
int numN = kb.nextInt();
System.out.println("Enter the number of Set R: ");
int numR = kb.nextInt();
char[] item = new char[numR];
char[] input = new char[numN]; // new char[numN+1];
/* input[0]='a';
input[1]='b';
input[2]='c'; */
for (int i = 0; i <= numN - 1; i++) {
System.out.println("Entre value of N" + (i + 1) + " :");
input[i] = kb.next().charAt(0);
}
comWrep(items, input, item, 0);
for (char[] c : items) {
System.out.println(c);
}
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int M = sc.nextInt();
int N = sc.nextInt();
int a[][] = new int[M + 1][N + 1];
int dp[][] = new int[M + 1][N + 1];
for (int i = 1; i <= M; i++) {
for (int j = 1; j <= N; j++) {
a[i][j] = sc.nextInt();
if (a[i][j] == 0) a[i][j] = -9999999;
}
}
for (int i = 1; i <= M; i++) {
for (int j = 1; j <= N; j++) {
dp[i][j] = dp[i - 1][j] + dp[i][j - 1] - dp[i - 1][j - 1] + a[i][j];
}
}
int max = -100000000;
for (int i = 1; i <= M; i++) {
for (int j = 1; j <= N; j++) {
for (int k = 1; k <= M; k++) {
if (i + k > M) break;
else if (j + k > N) break;
int temp = dp[i + k][j + k] - dp[i - 1][j + k] - dp[i + k][j - 1] + dp[i - 1][j - 1];
max = Math.max(max, temp);
}
}
}
System.out.println(max);
}
public static void main(String[] args) throws IOException {
// reads in text file
Scanner file = new Scanner(new FileReader("input.txt"));
String message = file.useDelimiter("\\A").next();
// capitalizes all letters and gets rid of blank spaces
message = message.toUpperCase();
message = message.replaceAll("\\s+", "");
int cipher, encrypt_decrypt;
// asks user of they want to encrypt or decrypt a message
System.out.println("Do you want to encrypt or decrypt?");
System.out.println("1 - Encrypt a message");
System.out.println("2 - Decrypt a message");
encrypt_decrypt = cin.nextInt();
// asks user which algorithm to use
System.out.println("Which cipher do you want to use?");
System.out.println("1 - Shift Cipher");
System.out.println("2 - Affine Cipher");
System.out.println("3 - Substitution Cipher");
System.out.println("4 - Vigenere Cipher");
cipher = cin.nextInt();
ciphers(message, cipher, encrypt_decrypt);
}
/** Reads in the letter location data for the word hunt puzzle */
public static void readPuzzle() {
letters = new String[3][3][2];
try {
Scanner reader = new Scanner(new File("graph.txt"));
while (reader.hasNext()) {
String temp = reader.next();
// if the String is not a number it is a character
if (!NUMBERS.contains(temp)) {
// find the coordinates of the letter/String
int x = reader.nextInt();
int y = reader.nextInt();
int z = reader.nextInt();
letters[x][y][z] = temp;
}
}
// prints out the word hunt set up, in separate squares that represent the 2D arrays at each
// depth
for (int k = 0; k < 2; k++) {
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
System.out.print(letters[i][j][k] + " ");
}
System.out.print("\n");
}
System.out.print("\n");
}
} catch (FileNotFoundException e) {
System.out.println("No such file.");
}
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int testcases = sc.nextInt();
int d, v, u;
double stime, spath;
for (int i = 0; i < testcases; i++) {
d = sc.nextInt();
v = sc.nextInt();
u = sc.nextInt();
if (v == 0) {
System.out.println("Case " + (i + 1) + ": can't determine");
continue;
}
if (u <= v) {
System.out.println("Case " + (i + 1) + ": can't determine");
continue;
}
if (u == 0) {
System.out.println("Case " + (i + 1) + ": can't determine");
continue;
}
stime = (d + 0.0) / u;
spath = (d + 0.0) / (Math.pow(u * u - v * v, 0.5));
System.out.printf("Case %d: %.3f\n", i + 1, spath - stime);
}
}
public static void main(String args[]) throws Exception {
/* Enter your code here. Read input from STDIN. Print output to STDOUT */
Scanner in = new Scanner(System.in);
int n = in.nextInt();
SuperStack stack = new SuperStack();
PrintWriter out = new PrintWriter(System.out, true);
for (int i = 0; i < n; i++) {
String s = in.next();
if (s.equals("push")) {
int value = in.nextInt();
out.println(stack.push(value));
} else if (s.equals("pop")) {
int res = stack.pop();
if (stack.size == 0) {
out.println("EMPTY");
} else {
out.println(res);
}
} else if (s.equals("inc")) {
int x = in.nextInt();
int d = in.nextInt();
out.println(stack.inc(x, d));
}
}
out.close();
}
public static void main(String[] args) throws IOException {
Scanner scan = new Scanner(System.in);
int test = scan.nextInt();
double limit;
while (test-- > 0) {
limit = scan.nextDouble();
n = scan.nextInt();
V = 0;
mm = new int[n];
pp = new float[n];
for (int i = 0; i < n; i++) {
mm[i] = scan.nextInt();
pp[i] = scan.nextFloat();
V += mm[i];
}
dp = new float[V + 1];
Arrays.fill(dp, 0);
dp[0] = 1;
for (int i = 0; i < n; i++)
ZeroPack(mm[i], 1 - pp[i]);
for (int i = V; i >= 0; i--)
if (dp[i] > 1 - limit) {
out.println(i);
break;
}
}
out.flush();
out.close();
}