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답안 #9848

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
9848 2014-10-01T15:07:32 Z effserv Uniting (kriii2_U) C++
1 / 4
 6 ms 416 KB 
#include <cstdio>
#include <algorithm>

using namespace std;

typedef long long ll;

int main()
{
	int N;
	scanf("%d", &N);

	ll a;
	scanf("%lld", &a);

	ll A = (ll)a;
	ll C = 0;
	for (int i = 0; i < N - 1; i++)
	{
		scanf("%lld", &a);
		C += A*a;
		A += a;
	}
	printf("%lld\n", C);

	ll mod = 1000000007;
	ll bigmod = 1e13;
	ll S = N;

	for (int i = N - 1; i >= 1; i--)
	{
		S *= (ll)i;
		S %= bigmod;
		S *= (ll)i;
		S %= bigmod;
	}

	printf("%lld\n", S%mod);

	return 0;
}

Compilation message

U.cpp: In function 'int main()':
U.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  scanf("%d", &N);
      |  ~~~~~^~~~~~~~~~
U.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%lld", &a);
      |  ~~~~~^~~~~~~~~~~~
U.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |   scanf("%lld", &a);
      |   ~~~~~^~~~~~~~~~~~

Subtask #1
1.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 0 ms 348 KB Partially correct
2 Partially correct 0 ms 348 KB Partially correct
3 Partially correct 0 ms 344 KB Partially correct
4 Partially correct 0 ms 348 KB Partially correct
5 Partially correct 0 ms 348 KB Partially correct
6 Partially correct 0 ms 348 KB Partially correct
7 Partially correct 0 ms 348 KB Partially correct
8 Partially correct 0 ms 348 KB Partially correct
9 Partially correct 0 ms 348 KB Partially correct
10 Partially correct 1 ms 348 KB Partially correct
11 Partially correct 1 ms 348 KB Partially correct
12 Partially correct 0 ms 348 KB Partially correct
13 Partially correct 0 ms 348 KB Partially correct
14 Partially correct 1 ms 348 KB Partially correct
15 Partially correct 1 ms 348 KB Partially correct
16 Partially correct 1 ms 348 KB Partially correct
17 Partially correct 1 ms 348 KB Partially correct
18 Partially correct 1 ms 348 KB Partially correct
19 Partially correct 1 ms 348 KB Partially correct
20 Partially correct 1 ms 412 KB Partially correct
21 Partially correct 2 ms 348 KB Partially correct
22 Partially correct 2 ms 348 KB Partially correct
23 Partially correct 2 ms 348 KB Partially correct
24 Partially correct 1 ms 348 KB Partially correct
25 Partially correct 2 ms 348 KB Partially correct
26 Partially correct 2 ms 348 KB Partially correct
27 Partially correct 2 ms 348 KB Partially correct
28 Partially correct 2 ms 344 KB Partially correct
29 Partially correct 2 ms 348 KB Partially correct
30 Partially correct 2 ms 344 KB Partially correct
31 Partially correct 2 ms 348 KB Partially correct
32 Partially correct 3 ms 348 KB Partially correct
33 Partially correct 3 ms 348 KB Partially correct
34 Partially correct 3 ms 344 KB Partially correct
35 Partially correct 3 ms 348 KB Partially correct
36 Partially correct 3 ms 388 KB Partially correct
37 Partially correct 3 ms 344 KB Partially correct
38 Partially correct 3 ms 344 KB Partially correct
39 Partially correct 3 ms 344 KB Partially correct
40 Partially correct 4 ms 348 KB Partially correct
41 Partially correct 5 ms 360 KB Partially correct
42 Partially correct 4 ms 348 KB Partially correct
43 Partially correct 5 ms 416 KB Partially correct
44 Partially correct 5 ms 348 KB Partially correct
45 Partially correct 6 ms 348 KB Partially correct
46 Partially correct 6 ms 348 KB Partially correct
47 Partially correct 5 ms 348 KB Partially correct
48 Partially correct 4 ms 348 KB Partially correct
49 Partially correct 5 ms 348 KB Partially correct
50 Partially correct 5 ms 348 KB Partially correct