Submission #8848

# Submission time Handle Problem Language Result Execution time Memory
8848 2014-09-21T11:38:23 Z gs13068 Uniting (kriii2_U) C++
4 / 4
12 ms 1088 KB
#include<cstdio>

int main()
{
	long long sum,res,cnt;
	int i,n,a;
	scanf("%d",&n);
	sum=res=0;
	cnt=1;
	for(i=1;i<=n;i++)
	{
		scanf("%d",&a);
        sum+=a;
        res-=a*a;
        if(i>1)
		{
			cnt*=i;
			cnt%=1000000007;
			cnt*=i-1;
			cnt%=1000000007;
		}
	}
	printf("%lld\n%lld",(sum*sum+res)/2,cnt);
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Correct 0 ms 1088 KB Output is correct
3 Correct 0 ms 1088 KB Output is correct
4 Correct 0 ms 1088 KB Output is correct
5 Correct 0 ms 1088 KB Output is correct
6 Correct 0 ms 1088 KB Output is correct
7 Correct 0 ms 1088 KB Output is correct
8 Correct 0 ms 1088 KB Output is correct
9 Correct 0 ms 1088 KB Output is correct
10 Correct 0 ms 1088 KB Output is correct
11 Correct 0 ms 1088 KB Output is correct
12 Correct 0 ms 1088 KB Output is correct
13 Correct 0 ms 1088 KB Output is correct
14 Correct 0 ms 1088 KB Output is correct
15 Correct 0 ms 1088 KB Output is correct
16 Correct 0 ms 1088 KB Output is correct
17 Correct 0 ms 1088 KB Output is correct
18 Correct 0 ms 1088 KB Output is correct
19 Correct 0 ms 1088 KB Output is correct
20 Correct 0 ms 1088 KB Output is correct
21 Correct 0 ms 1088 KB Output is correct
22 Correct 0 ms 1088 KB Output is correct
23 Correct 0 ms 1088 KB Output is correct
24 Correct 0 ms 1088 KB Output is correct
25 Correct 0 ms 1088 KB Output is correct
26 Correct 0 ms 1088 KB Output is correct
27 Correct 4 ms 1088 KB Output is correct
28 Correct 4 ms 1088 KB Output is correct
29 Correct 4 ms 1088 KB Output is correct
30 Correct 4 ms 1088 KB Output is correct
31 Correct 4 ms 1088 KB Output is correct
32 Correct 4 ms 1088 KB Output is correct
33 Correct 4 ms 1088 KB Output is correct
34 Correct 4 ms 1088 KB Output is correct
35 Correct 4 ms 1088 KB Output is correct
36 Correct 4 ms 1088 KB Output is correct
37 Correct 4 ms 1088 KB Output is correct
38 Correct 4 ms 1088 KB Output is correct
39 Correct 8 ms 1088 KB Output is correct
40 Correct 8 ms 1088 KB Output is correct
41 Correct 8 ms 1088 KB Output is correct
42 Correct 8 ms 1088 KB Output is correct
43 Correct 4 ms 1088 KB Output is correct
44 Correct 8 ms 1088 KB Output is correct
45 Correct 8 ms 1088 KB Output is correct
46 Correct 8 ms 1088 KB Output is correct
47 Correct 4 ms 1088 KB Output is correct
48 Correct 8 ms 1088 KB Output is correct
49 Correct 12 ms 1088 KB Output is correct
50 Correct 12 ms 1088 KB Output is correct