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Submission #27203

# Submission time Handle Problem Language Result Execution time Memory
27203 2017-07-10T12:42:53 Z TAMREF 팩토리얼 세제곱들의 합 (YDX14_fact) C++11
1 / 1
 0 ms 1116 KB 
#include <cstdio>
 
int fact(int x){
    if(x == 0) return 1;
    return fact(x-1) * x % 10000;
}
int pow(int x, int t){
    int r = 1;
    for (int i=0; i<t; i++) {
        r *= x;
        r %= 10000;
    }
    return r;
}
 
int main(){
    int n,k;
    scanf("%d %d",&n,&k);
    int res = 0;
    for (int i=0; i<=n; i++) {
        res += pow(fact(i),k);
    }
    while (res%10 == 0) {
        res /= 10;
    }
    printf("%d",res%10);
}

Compilation message

fact.cpp: In function 'int main()':
fact.cpp:18:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&k);
                         ^

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1116 KB answer is '4'
2 Correct 0 ms 1116 KB answer is '2'
3 Correct 0 ms 1116 KB answer is '2'
4 Correct 0 ms 1116 KB answer is '2'
5 Correct 0 ms 1116 KB answer is '2'
6 Correct 0 ms 1116 KB answer is '4'
7 Correct 0 ms 1116 KB answer is '6'
8 Correct 0 ms 1116 KB answer is '1'
9 Correct 0 ms 1116 KB answer is '2'
10 Correct 0 ms 1116 KB answer is '6'
11 Correct 0 ms 1116 KB answer is '4'
12 Correct 0 ms 1116 KB answer is '5'
13 Correct 0 ms 1116 KB answer is '2'
14 Correct 0 ms 1116 KB answer is '3'
15 Correct 0 ms 1116 KB answer is '4'
16 Correct 0 ms 1116 KB answer is '5'
17 Correct 0 ms 1116 KB answer is '6'
18 Correct 0 ms 1116 KB answer is '7'
19 Correct 0 ms 1116 KB answer is '8'
20 Correct 0 ms 1116 KB answer is '9'
21 Correct 0 ms 1116 KB answer is '1'
22 Correct 0 ms 1116 KB answer is '6'
23 Correct 0 ms 1116 KB answer is '3'
24 Correct 0 ms 1116 KB answer is '7'
25 Correct 0 ms 1116 KB answer is '3'
26 Correct 0 ms 1116 KB answer is '1'
27 Correct 0 ms 1116 KB answer is '2'
28 Correct 0 ms 1116 KB answer is '1'
29 Correct 0 ms 1116 KB answer is '1'
30 Correct 0 ms 1116 KB answer is '1'
31 Correct 0 ms 1116 KB answer is '4'
32 Correct 0 ms 1116 KB answer is '4'
33 Correct 0 ms 1116 KB answer is '4'
34 Correct 0 ms 1116 KB answer is '4'
35 Correct 0 ms 1116 KB answer is '4'
36 Correct 0 ms 1116 KB answer is '4'
37 Correct 0 ms 1116 KB answer is '4'
38 Correct 0 ms 1116 KB answer is '4'
39 Correct 0 ms 1116 KB answer is '4'
40 Correct 0 ms 1116 KB answer is '8'
41 Correct 0 ms 1116 KB answer is '8'
42 Correct 0 ms 1116 KB answer is '8'
43 Correct 0 ms 1116 KB answer is '8'
44 Correct 0 ms 1116 KB answer is '8'
45 Correct 0 ms 1116 KB answer is '8'
46 Correct 0 ms 1116 KB answer is '8'
47 Correct 0 ms 1116 KB answer is '8'
48 Correct 0 ms 1116 KB answer is '8'
49 Correct 0 ms 1116 KB answer is '5'
50 Correct 0 ms 1116 KB answer is '5'
51 Correct 0 ms 1116 KB answer is '5'
52 Correct 0 ms 1116 KB answer is '5'
53 Correct 0 ms 1116 KB answer is '5'
54 Correct 0 ms 1116 KB answer is '5'
55 Correct 0 ms 1116 KB answer is '5'
56 Correct 0 ms 1116 KB answer is '5'
57 Correct 0 ms 1116 KB answer is '5'