So Random : HackerEarth Problem Solution

So Random : HackerEarth Problem Solution

Input

2
0 10
.5 720

Output

0.0000
0.2929

Implementation: 

#include <stdio.h> int main() { int t; float P,T; scanf("%d",&t); while(t--) { scanf("%f %f",&P,&T); printf("%.4f\n",1-pow(1-P,T/1440.0)); } return 0; }