c_fast_6sec

main_fast.c

#include <stdio.h>
#include <math.h>
#include <stdlib.h>

int main() {
    int count = 0;
    for (int k = 2; k < 3; k++) {
        for (int x = 1; x < 101; x++) {
            for (int a = 1; a < 101; a++) {
                for (int b = 1; b < 101; b++) {
                    for (int c = 1; c < 101; c++) {
                        for (int d = 1; d < 101; d++) {
                            if (pow(x, k) == pow(a, k) + pow(b, k) + pow(c, k) + pow(d, k)) {
                                count++;
                            }
                        }
                    }
                }
            }
        }
    }
    printf("%d", count);
}