oj.uz

답안 #16409

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
16409 2015-08-22T15:55:05 Z jun6873 팩토리얼 세제곱들의 합 (YDX14_fact) C++
0 / 1
 1000 ms 1084 KB 
#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) {
        res=num+1;
        goto fin;
    }
    for (int i=0;i<=4;i++) if (i<=num) res+=power(pool[i],pow);

    fin:
    for (;;) {
        if (res%10==0) res=res%10;
        else break;
    }
    printf("%d",res%10);

    return 0;
}

Subtask #1
0.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1084 KB Output is correct - answer is '4'
2 Correct 0 ms 1084 KB Output is correct - answer is '2'
3 Correct 0 ms 1084 KB Output is correct - answer is '2'
4 Correct 0 ms 1084 KB Output is correct - answer is '2'
5 Correct 0 ms 1084 KB Output is correct - answer is '2'
6 Correct 0 ms 1084 KB Output is correct - answer is '4'
7 Correct 0 ms 1084 KB Output is correct - answer is '6'
8 Execution timed out 1000 ms 1080 KB Program timed out
9 Halted 0 ms 0 KB -