Submission #16408

#	Time	Username	Problem	Language	Result	Execution time	Memory
16408		jun6873	팩토리얼 세제곱들의 합 (YDX14_fact)	C++98	0 / 1	0 ms	1084 KiB

fact

#include <stdio.h>

int power(int a,int b)
{
    int res=1;
    for (int i=0;i<b;i++) res*=a;
    return res;
}

int main(void)
{
    int pool[5]={1,1,2,6,4};

    int num,pow,res=0;
    scanf("%d %d",&num,&pow);

    if (pow==0) {
        printf("%d",(num+1)%10);
        return 0;
    }

    for (int i=0;i<=4;i++) if (i<=num) res+=power(pool[i],pow);
    printf("%d",res%10);

    return 0;
}

• Subtask 1: 0 / 1