Submission #9419

# Submission time Handle Problem Language Result Execution time Memory
9419 2014-09-28T06:17:30 Z hodduc Uniting (kriii2_U) C++
1 / 4
12 ms 1868 KB
#include<stdio.h>
long long a, b;
int num[100001];
int d[100001];
int N;
int main()
{
	scanf("%d", &N);
	for(int i = 0; i < N; i++) scanf("%d", &num[i]);
	// sum
	long long sum = num[0];
	for(int i = 1; i < N; i++)
	{
		a += sum * num[i];
		sum += num[i];
	}
	printf("%lld\n", a);

	d[1] = 1;
	long long tmp = 0;
	for(int i = 2; i <= N; i++){
		tmp = d[i-1];
		tmp *= i;
		tmp *= i-1;
		tmp %= 1000000007;
		d[i] = tmp;
	}
	printf("%d\n", d[N]);
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 1868 KB Output is correct
2 Correct 0 ms 1868 KB Output is correct
3 Correct 0 ms 1868 KB Output is correct
4 Correct 0 ms 1868 KB Output is correct
5 Correct 0 ms 1868 KB Output is correct
6 Correct 0 ms 1868 KB Output is correct
7 Correct 0 ms 1868 KB Output is correct
8 Correct 0 ms 1868 KB Output is correct
9 Correct 0 ms 1868 KB Output is correct
10 Correct 0 ms 1868 KB Output is correct
11 Correct 0 ms 1868 KB Output is correct
12 Correct 0 ms 1868 KB Output is correct
13 Correct 0 ms 1868 KB Output is correct
14 Correct 0 ms 1868 KB Output is correct
15 Correct 0 ms 1868 KB Output is correct
16 Correct 0 ms 1868 KB Output is correct
17 Correct 0 ms 1868 KB Output is correct
18 Correct 0 ms 1868 KB Output is correct
19 Correct 0 ms 1868 KB Output is correct
20 Correct 0 ms 1868 KB Output is correct
21 Correct 0 ms 1868 KB Output is correct
22 Correct 0 ms 1868 KB Output is correct
23 Correct 0 ms 1868 KB Output is correct
24 Correct 0 ms 1868 KB Output is correct
25 Correct 0 ms 1868 KB Output is correct
26 Correct 4 ms 1868 KB Output is correct
27 Correct 4 ms 1868 KB Output is correct
28 Correct 4 ms 1868 KB Output is correct
29 Correct 4 ms 1868 KB Output is correct
30 Correct 0 ms 1868 KB Output is correct
31 Correct 4 ms 1868 KB Output is correct
32 Correct 4 ms 1868 KB Output is correct
33 Correct 4 ms 1868 KB Output is correct
34 Correct 4 ms 1868 KB Output is correct
35 Correct 4 ms 1868 KB Output is correct
36 Correct 4 ms 1868 KB Output is correct
37 Correct 4 ms 1868 KB Output is correct
38 Correct 4 ms 1868 KB Output is correct
39 Correct 8 ms 1868 KB Output is correct
40 Correct 8 ms 1868 KB Output is correct
41 Correct 8 ms 1868 KB Output is correct
42 Correct 8 ms 1868 KB Output is correct
43 Correct 8 ms 1868 KB Output is correct
44 Correct 8 ms 1868 KB Output is correct
45 Correct 4 ms 1868 KB Output is correct
46 Correct 4 ms 1868 KB Output is correct
47 Correct 12 ms 1868 KB Output is correct
48 Correct 12 ms 1868 KB Output is correct
49 Correct 8 ms 1868 KB Output is correct
50 Partially correct 12 ms 1868 KB Output is partially correct