/*
* MAIN12A.cpp
*
* Created on: Jun 21, 2014
* Author: Arpit Bhayani
*/
#include <cstdio>
#include <cstdlib>
#include <iostream>
using namespace std;
#define DEBUG 0
#define gc getchar
#define ll long long
void scanint(ll int &x) {
register ll int c = gc();
x = 0;
for (; (c < 48 || c > 57); c = gc())
;
for (; c > 47 && c < 58; c = gc()) {
x = (x << 1) + (x << 3) + c - 48;
}
}
int readline(char * str) {
int i = 0;
char ch;
while ((ch = getchar()) != '\n') {
str[i++] = ch;
}
str[i] = '\0';
return i;
}
#define SIZE 1000001
//#define SIZE 21
int array[SIZE];
void generate() {
int index = 2, num = 2, count = 0, index2 = 1;
array[1] = 1;
while (1) {
count = array[index2];
for (int j = 0; j < count; j++) {
array[index++] = num;
if (index == SIZE)
break;
}
num++;
index2++;
if (index == SIZE)
break;
}
}
int main(int argc, char * argv[]) {
generate();
int t, c = 1;
scanf("%d", &t);
while (t--) {
int n;
scanf("%d", &n);
printf("Case #%d: %d\n", c, array[n]);
c++;
}
return 0;
}
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