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);
}
public void solve() throws Exception {
int x = sc.nextInt();
int y = sc.nextInt();
StringBuilder sb = new StringBuilder();
String p = null;
String m = null;
if (x >= 0) {
p = "E";
m = "W";
} else {
p = "W";
m = "E";
}
x = abs(x);
for (int i = 0; i < x; i++) {
sb.append(m + p);
}
if (y >= 0) {
p = "N";
m = "S";
} else {
p = "S";
m = "N";
}
y = abs(y);
for (int i = 0; i < y; i++) {
sb.append(m + p);
}
out.println(sb);
}
public Solution() throws IOException {
Locale.setDefault(Locale.US);
in = new BufferedReader(new FileReader("input.txt"));
out = new PrintWriter("output.txt");
solve();
in.close();
out.close();
}
public static void main(String[] args) {
double[] sigma = {3E-4, 1E-6, 2.4E-2, 6.67E-5, 1E-6, 6E-3, 4.4E-4, 1E-2, 1E-6};
double[] mu = {0.42E9, 2.27};
double alpha = 0.0;
Sampler sampler = new Sampler(mu, sigma, alpha);
double[][] M = sampler.getCovMat();
System.out.println("The Covirance Matrix is:");
sampler.printMatrix(M);
double[][] A = sampler.getCholDecompA();
System.out.println("The decomposed Matrix A is");
sampler.printMatrix(A);
try {
File file = new File("/Users/Weizheng/Documents/JavaWorkPlace/CLS_MCIntegrator/output.txt");
// if file doesnt exists, then create it
if (!file.exists()) {
file.createNewFile();
} else {
file.delete();
file.createNewFile();
}
PrintWriter fw = new PrintWriter(file);
long startTime = System.currentTimeMillis();
for (int i = 0; i < 1E3; i++) {
double[] MultiNormalVector = sampler.nextMultiNormalVector();
// for(double a:MultiNormalVector ){
// fw.printf("%4.2e ", a);
// }
// fw.println("");
}
fw.close();
long endTime = System.currentTimeMillis();
System.out.println("That took " + (endTime - startTime) + " milliseconds");
} catch (IOException e) {
e.printStackTrace();
}
}
/** @param args */
public static void main(String[] args) throws Exception {
File file = new File("B-small-practice.in");
if (file.exists()) {
System.setIn(new BufferedInputStream(new FileInputStream(file)));
}
sc = new Scanner(System.in);
FileWriter fw = new FileWriter(new File("output.txt"));
out = new PrintWriter(fw);
Bsmall b = new Bsmall();
int T = sc.nextInt();
int t = 1;
while (t <= T) {
out.print("Case #" + t + ": ");
b.solve();
t++;
}
out.close();
fw.close();
}
// int frame = 0;
public void paint(Graphics g) {
// System.out.println("frame: " + (frame++));
lStatus.setText(
"t = "
+ df.format(md.dt * md.step)
+ ", "
+ "N = "
+ md.N
+ ", "
+ "E/N = "
+ df.format(md.E / md.N)
+ ", "
+ "U/N = "
+ df.format(md.U / md.N)
+ ", "
+ "K/N = "
+ df.format(md.K / md.N)
+ ", "
+ "p = "
+ df.format(md.p)
+ ";");
tAvK.setText(df.format(md.avK.getAve() / md.N) + " ");
tAvU.setText(df.format(md.avU.getAve() / md.N) + " ");
tTemp.setText(df.format((2 * md.K) / (3 * (md.N - 1))) + " ");
tAvp.setText(df.format(md.avp.getAve()) + " ");
canvas.refresh(md.getXWrap(), md.N, true, false);
cpnl.repaint();
spnl.repaint();
try {
PrintWriter wavefunc =
new PrintWriter(new FileOutputStream(new File("energyData.txt"), true));
wavefunc.print(md.E / md.N + " " + md.K / md.N + " " + md.U / md.N);
wavefunc.println();
wavefunc.close();
} catch (IOException ex) {
}
try {
PrintWriter tempwriter =
new PrintWriter(new FileOutputStream(new File("tempData.txt"), true));
tempwriter.print(df.format((2 * md.K) / (3 * (md.N - 1))));
tempwriter.println();
tempwriter.close();
} catch (IOException ex) {
}
}
public void solve() throws Exception {
long a = in.nextLong();
long b = in.nextLong();
long ans = 0;
while (a != 0 && b != 0) {
if (a > b) {
ans += a / b;
a = a % b;
} else {
ans += b / a;
b = b % a;
}
}
out.println(ans);
}
void solve() throws IOException {
n = ni();
k = ni();
w = new int[n];
c = new int[n];
for (int i = 0; i < n; ++i) {
w[i] = ni();
c[i] = ni();
}
for (int i = 0; i < list.length; i++) {
list[i] = new ArrayList<Integer>();
}
for (int i = 0; i < n; ++i) {
weight[w[i]]++;
list[w[i]].add(c[i]);
}
for (int i = 0; i < list.length; i++) {
Collections.sort(list[i]);
}
int ret = count();
out.println(ret + " " + calc(ret));
}
public void solve() throws Exception {
String str = in.readLine();
int n = str.length();
int t = Integer.parseInt(in.readLine());
int[][] dp = new int[26][n];
dp[str.charAt(0) - 'a'][0] = 1;
for (int i = 1; i < n; i++) {
for (int j = 0; j < 26; j++) {
if (str.charAt(i) == 'a' + j) {
dp[j][i] = dp[j][i - 1] + 1;
} else {
dp[j][i] = dp[j][i - 1];
}
}
}
while (t-- > 0) {
st = new StringTokenizer(in.readLine());
char a = st.nextToken().toCharArray()[0];
char b = st.nextToken().toCharArray()[0];
int l = parseInt(st.nextToken()) - 1;
int r = parseInt(st.nextToken()) - 1;
int ans = 0;
for (int i = l; i <= r; i++) {
if (str.charAt(i) == a) {
ans += dp[b - 'a'][r] - dp[b - 'a'][i];
}
}
out.println(ans);
}
}
public void solve() throws Exception {
n = in.nextInt();
m = in.nextInt();
graph = new char[n][m];
cracked = new boolean[n][m];
for (int i = 0; i < n; i++) {
graph[i] = in.next().trim().toCharArray();
}
sx = in.nextInt() - 1;
sy = in.nextInt() - 1;
gx = in.nextInt() - 1;
gy = in.nextInt() - 1;
cracked[sx][sy] = true;
if (sx == gx && sy == gy) {
if (graph[sx][sy] == 'X') {}
}
int scount = 0;
for (int i = 0; i < 4; i++) {
int nx = sx + dx[i];
int ny = sy + dy[i];
if (nx < 0 || nx > n - 1 || ny < 0 || ny > m - 1) {
continue;
}
if (graph[nx][ny] == '.') {
scount++;
}
}
int gcount = 0;
for (int i = 0; i < 4; i++) {
int nx = gx + dx[i];
int ny = gy + dy[i];
if (nx < 0 || nx > n - 1 || ny < 0 || ny > m - 1) {
continue;
}
if (graph[nx][ny] == '.') {
gcount++;
}
}
boolean isNeighbors = false;
for (int i = 0; i < 4 && !isNeighbors; i++) {
int nx = sx + dx[i];
int ny = sy + dy[i];
if (nx < 0 || nx > n - 1 || ny < 0 || ny > m - 1) {
continue;
}
if (nx == gx && ny == gy) {
isNeighbors = true;
}
}
if (sx == gx && sy == gy) {
if (graph[sx][sy] == 'X') {
if (scount >= 1) {
out.println("YES");
} else {
out.println("NO");
}
} else {
if (scount >= 2) {
out.println("YES");
} else {
out.println("NO");
}
}
} else if (isNeighbors) {
if (graph[gx][gy] == 'X') {
out.println("YES");
} else {
if (gcount >= 1) {
out.println("YES");
} else {
out.println("NO");
}
}
} else if (dfs(sx, sy)) {
if (graph[gx][gy] == 'X') {
out.println("YES");
} else {
if (gcount >= 2) {
out.println("YES");
} else {
out.println("NO");
}
}
} else {
out.println("NO");
}
}
public void nextTimeStep() {
births = 0;
deaths = 0;
// for (int i=0;i<o2perTS;i++) iterateOxygen(); // oh dear
iterateCells();
radiotherapy = false;
stem_cells_this_TS = 0; // counter to track population dynamics
non_stem_cells_this_TS = 0; // counter to track population dynamics
// NEW
int totalCells = 0;
int totalHealthy = 0;
int totalStem = 0;
int totalProgenitor = 0;
int totalMature = 0;
for (int i = 0; i < size; i++)
for (int j = 0; j < size; j++)
if (Cells[i][j] < 4) {
totalCells++;
if (Cells[i][j] == 0) totalHealthy++;
else if (Cells[i][j] == 1) totalStem++;
else if (Cells[i][j] == 2) totalProgenitor++;
else if (Cells[i][j] == 3) totalMature++;
else System.err.println("wrong cell type");
}
// Not so new
if (timestep == 0)
System.out.println(
+size
+ ", "
+ mutfreq
+ ", "
+ lengthGenome
+ ", "
+ asymmetricRatio); // print (parent,child) pair
// System.out.println ("% Timestep\t Cells\t Stem Cells \t Progenitor\t Mature");
if (timestep % dataReportStep == 0) {
// System.out.println(timestep+"\t"+totalCells+"\t"+totalStem+"\t"+totalProgenitor+"\t"+totalMature+"\t"+births+"\t"+deaths+"\t"+((float)births/deaths));
// System.err.println(asymmetricRatio+" "+maxProDivisions+" "+totalCells+" "+totalStem);}
// System.err.println(mutationNum+" "+totalStem);
}
timestep++;
// Finally let's write down the data
if ((timestep % dataWriteStep == 0) && (timestep > dataWriteStartTime)) {
try {
File dir = new File("./text");
dir.mkdir();
// cell matrix
FileWriter outFile1 = new FileWriter("./text/cells" + timestep);
PrintWriter outCells = new PrintWriter(outFile1);
// attempt at hashtable
// FileWriter outFileHm = new FileWriter("./text/pairs"+timestep); // new
// PrintWriter outTable = new PrintWriter(outFileHm); // new
// carriedGenome
// FileWriter outFilecG = new FileWriter("./text/genomes"+timestep); // new
// PrintWriter outcG = new PrintWriter(outFilecG); // new
// attempt at hashtable
// FileWriter outFileHm2 = new FileWriter("./text/timepairs"+timestep); // new
// PrintWriter outTable2 = new PrintWriter(outFileHm2); // new
// oxygen matrix
// FileWriter outFile2 = new FileWriter("./text/oxygen"+timestep);
// PrintWriter outO2 = new PrintWriter(outFile2);
// stem age matrix
// FileWriter outFile3 = new FileWriter("./text/stemBirthCounter"+timestep);
// PrintWriter outSBC = new PrintWriter(outFile3);
// carried mutation matrix
FileWriter outFile2 = new FileWriter("./text/carriedmutation" + timestep);
PrintWriter outCM = new PrintWriter(outFile2);
/*
// stem total birth matrix
//FileWriter outFile4 = new FileWriter("./text/stemBirthsTotal"+timestep);
//PrintWriter outSBM = new PrintWriter(outFile4);
// stem death matrix
//FileWriter outFile5 = new FileWriter("./text/stemDeathCounter"+timestep);
//PrintWriter outSD = new PrintWriter(outFile5);
// TAC birth matrix
//FileWriter outFile6 = new FileWriter("./text/TACBirthCounter"+timestep);
//PrintWriter outTB = new PrintWriter(outFile6);
// TAC death matrix
//FileWriter outFile7 = new FileWriter("./text/TACDeathCounter"+timestep);
//PrintWriter outTD = new PrintWriter(outFile7);
//write hashtable
for (Integer key : tree.keySet()) {
outTable.print(+key+", "+tree.get(key)+"\r\n");
} //new
outTable.println(""); //new
outTable.close(); //new
//write hashtable
for (Integer value : tree.valueSet()) {
outTableNew.print(+tree.get(value)+", "+value+"\r\n");
} //new
outTableNew.println(""); //new
outTableNew.close(); //new
//write hashtable
for (Integer key : timeTree.keySet()) {
outTable2.print(+key+", "+timeTree.get(key)+"\r\n");
} //new
outTable2.println(""); //new
outTable2.close(); //new
*/
for (int i = 0; i < size; i++) {
for (int j = 0; j < size; j++) {
outCells.print(Cells[i][j] + ", ");
// outcG.print(carriedGenome[i][j]+", ");
// outO2.print(Oxygen[i][j]+", ");
// outSBC.print(stemBirthCounter[i][j]+", ");
outCM.print(carriedmutation[i][j] + ", ");
// outSBM.print(stemBirthsTotal[i][j]+", ");
// outSD.print(stemDeathCounter[i][j]+", ");
// outTB.print(TACBirthCounter[i][j]+", ");
// outTD.print(TACDeathCounter[i][j]+", ");
}
outCells.println("");
// outcG.println("");
outCM.println("");
// outO2.println("");
// outSBC.println("");
// outSBM.println("");
// outSD.println("");
// outTB.println("");
// outTD.println("");
}
outCells.close();
// outcG.close();
outCM.close();
// outO2.close();
// outSBC.close();
// outSBM.close();
// outSD.close();
// outTB.close();
// outTD.close();
} catch (IOException e) {
e.printStackTrace();
System.exit(-1);
}
}
}
public void close() {
writer.close();
}
public void println(Object... objects) {
print(objects);
writer.println();
}
public void print(Object... objects) {
for (int i = 0; i < objects.length; i++) {
if (i != 0) writer.print(' ');
writer.print(objects[i]);
}
}