UVA Solution 474 - Heads _ Tails Probability - Solution in C

UVA Solution 474 - Heads _ Tails Probability- Volume 4

UVA Online Judge Solution 474 - Heads _ Tails Probability| Volume 4
UVA Problem Link - 474 - Heads _ Tails Probability

Problem Name: 474 - Heads _ Tails Probability solution
Problem Number : UVA - 474 - Heads _ Tails Probability solution
Online Judge : UVA Online Judge Solution
Volume: 4
Solution Language : C

UVA Solution 474 - Heads _ Tails Probability Code in C:

#include <stdio.h>
#include <math.h>
int main() {
    int n;
    while(scanf("%d", &n) == 1) {
        if(n == 6) {
            puts("2^-6 = 1.562e-2");
            continue;
        }
        int b = (int)floor(log10(2)*(-n));
        printf("2^-%d = %.3lfe%d\n", n, pow(10, log10(2)*(-n)-b), b);
    }
    return 0;
}

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