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Submission #21160

# Submission time Handle Problem Language Result Execution time Memory
21160 2017-04-06T08:57:54 Z jayceking 팩토리얼 세제곱들의 합 (YDX14_fact) C++14
1 / 1
 0 ms 1116 KB 
#include<cstdio>

int pow(int a, int b, int c) {
	if (b == 0) return c;
	pow(a, b - 1, a*c);
}

int main() {
	int n, k;
	scanf("%d %d", &n, &k);
	int d = 0;
	int arr[5] = { 1,1,2,6,24 };
	if (n > 4) {
		for (int i = 0;i <= 4;++i) {
			d += pow(arr[i], k, 1);
		}
	}
	else {
		for (int i = 0;i <= n;++i) {
			d += pow(arr[i], k, 1);
		}
	}
	if (k == 0) d = n + 1;
	while (d % 10==0) {
		d /= 10;
	}
	printf("%d", d % 10);
}

Compilation message

fact.cpp: In function 'int pow(int, int, int)':
fact.cpp:6:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
fact.cpp: In function 'int main()':
fact.cpp:10:24: 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'