c语言 6-4

c语言6-4

#include <stdio.h>

int sqr(int a)
{
    return a * a;
}

int pow4(int a)
{
    return sqr(sqr(a));
}

int main(void)
{
    int i;
    puts("please input an integer.");
    printf("i = "); scanf("%d", &i);
    
    printf("the result: %d
", pow4(i));
    return 0;
}