public void run() {
ArrayList<Double> output = new ArrayList();
while (true) {
int numStudents = Integer.parseInt(Main.ReadLn(1000000));
double runningTotal = 0;
double current = 0;
double average = 0;
double runningTransfer = 0;
if (numStudents == 0) break;
else if (numStudents > 1000) throw new NumberFormatException();
else if (numStudents % 2 == 0) throw new NumberFormatException();
ArrayList<Double> expenses = new ArrayList();
for (int i = 0; i < numStudents; i++) {
current = Double.parseDouble(Main.ReadLn(1000000));
runningTotal = runningTotal + current;
expenses.add(current);
if (current > 10000 || current < 0) throw new NumberFormatException();
}
average = Math.floor((runningTotal * 100) / numStudents) / 100;
for (Double d : expenses) {
if (d.doubleValue() < average) {
runningTransfer = runningTransfer + (average - d.doubleValue());
}
}
output.add(runningTransfer);
}
Iterator it = output.iterator();
StringBuilder builder = new StringBuilder();
while (it.hasNext()) {
builder.append("$" + String.format("%.2f", it.next()));
if (it.hasNext()) {
builder.append("\n");
} else {
break;
}
}
System.out.println(builder);
}
void Begin() {
String input;
StringTokenizer idata;
final int[] primes = {
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89,
97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191,
193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293,
307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,
421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541,
547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653,
659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787,
797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919,
929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019, 1021, 1031, 1033,
1039, 1049, 1051, 1061, 1063, 1069, 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129
};
int[][] result = new int[1121][15];
int siz;
int inp;
int prm;
int n;
int r;
result[0][0] = 1;
// for(i = 0; i < 1121; i++)
// result[i][0] = 1;
// need prime loop first to prevent repeats
for (prm = 0; prm < 189; prm++) {
for (inp = 1120; inp >= primes[prm]; inp--) // need to decrement to prevent
{
for (siz = 1; siz < 15; siz++) {
result[inp][siz] += result[inp - primes[prm]][siz - 1];
// if(inp <= 24 && siz <= 3 && result[inp - primes[prm]][siz - 1] != 0)
// System.out.println("GOT " + primes[prm] + ": [" + inp + "][" + siz + "] = " +
// result[inp][siz]);
}
}
}
/*
for(i=0;i<189;i++)
for(j=1120;j>=primes[i];j--)
for(k=1;k<15;k++)
result[j][k]+=result[j-primes[i]][k-1];
*/
// System.out.println("");
while (true) {
input = Main.ReadLn(255);
idata = new StringTokenizer(input);
n = Integer.parseInt(idata.nextToken());
r = Integer.parseInt(idata.nextToken());
if (n == 0 && r == 0) break;
System.out.println(result[n][r]);
}
}
public void run() {
String s = "";
while (s != null && s.trim().equals("0 0") == false) {
s = Main.ReadLn(8);
if (s.trim().equals("0 0")) {
break;
}
String[] items = s.split(" ");
// Integer x = Integer.parseInt( items[0] );
// Integer y = Integer.parseInt( items[1] );
// System.out.println("s: " + s);
String s1 = items[0];
String s2 = items[1];
char[] i1 = s1.toCharArray();
char[] i2 = s2.toCharArray();
int count = 0;
int results = 0;
int rest = 0;
int max = i1.length;
if (i2.length > max) {
max = i2.length;
}
for (int j = 0; j < max; j++) {
Integer e1 = 0;
Integer e2 = 0;
if ((j + 1) <= i1.length) {
e1 = Integer.parseInt(String.valueOf(i1[j]));
}
if ((j + 1) <= i2.length) {
e2 = Integer.parseInt(String.valueOf(i2[j]));
}
if (e1 + e2 + rest > 9) {
results++;
rest = (((e1 + e2) - 10) / 10);
// System.out.println( "sum: " + (e1+e2) + ", rest: " + rest + ", results: " + results );
} else {
rest = 0;
}
count++;
}
if (results == 0) {
System.out.println("No carry operation.");
} else if (results == 1) {
System.out.println("1 carry operation.");
} else {
System.out.println(results + " carry operations.");
}
}
}