# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
9616 |
2014-09-28T07:39:38 Z |
jaehadad |
Uniting (kriii2_U) |
C++14 |
|
28 ms |
1672 KB |
#include<cstdio>
#include<cassert>
#include<cstring>
#include<map>
#include<set>
#include<time.h>
#include<algorithm>
#include<stack>
#include<queue>
#include<utility>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
using namespace std;
const long long MOD = 1000000007;
long long go(long long n) {
long long ret = 1;
for(long long i = 2; i <= n; ++i) { ret = (ret * i) % MOD; }
for(long long i = 2; i <= n-1; ++i) { ret = (ret * i) % MOD; }
return ret;
}
int main() {
long long n;
cin >> n;
long long ret = 0;
long long cursize = 0;
for(int i = 0; i < n; ++i) {
long long s;
cin >> s;
ret += cursize * s;
cursize += s;
}
cout << ret << endl;
cout << go(n) << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1672 KB |
Output is correct |
2 |
Correct |
0 ms |
1672 KB |
Output is correct |
3 |
Correct |
0 ms |
1672 KB |
Output is correct |
4 |
Correct |
0 ms |
1672 KB |
Output is correct |
5 |
Correct |
0 ms |
1672 KB |
Output is correct |
6 |
Correct |
0 ms |
1672 KB |
Output is correct |
7 |
Correct |
0 ms |
1672 KB |
Output is correct |
8 |
Correct |
0 ms |
1672 KB |
Output is correct |
9 |
Correct |
0 ms |
1672 KB |
Output is correct |
10 |
Correct |
0 ms |
1672 KB |
Output is correct |
11 |
Correct |
0 ms |
1672 KB |
Output is correct |
12 |
Correct |
0 ms |
1672 KB |
Output is correct |
13 |
Correct |
0 ms |
1672 KB |
Output is correct |
14 |
Correct |
0 ms |
1672 KB |
Output is correct |
15 |
Correct |
0 ms |
1672 KB |
Output is correct |
16 |
Correct |
0 ms |
1672 KB |
Output is correct |
17 |
Correct |
4 ms |
1672 KB |
Output is correct |
18 |
Correct |
4 ms |
1672 KB |
Output is correct |
19 |
Correct |
4 ms |
1672 KB |
Output is correct |
20 |
Correct |
4 ms |
1672 KB |
Output is correct |
21 |
Correct |
4 ms |
1672 KB |
Output is correct |
22 |
Correct |
4 ms |
1672 KB |
Output is correct |
23 |
Correct |
4 ms |
1672 KB |
Output is correct |
24 |
Correct |
4 ms |
1672 KB |
Output is correct |
25 |
Correct |
4 ms |
1672 KB |
Output is correct |
26 |
Correct |
8 ms |
1672 KB |
Output is correct |
27 |
Correct |
8 ms |
1672 KB |
Output is correct |
28 |
Correct |
8 ms |
1672 KB |
Output is correct |
29 |
Correct |
8 ms |
1672 KB |
Output is correct |
30 |
Correct |
8 ms |
1672 KB |
Output is correct |
31 |
Correct |
8 ms |
1672 KB |
Output is correct |
32 |
Correct |
8 ms |
1672 KB |
Output is correct |
33 |
Correct |
8 ms |
1672 KB |
Output is correct |
34 |
Correct |
12 ms |
1672 KB |
Output is correct |
35 |
Correct |
12 ms |
1672 KB |
Output is correct |
36 |
Correct |
16 ms |
1672 KB |
Output is correct |
37 |
Correct |
12 ms |
1672 KB |
Output is correct |
38 |
Correct |
16 ms |
1672 KB |
Output is correct |
39 |
Correct |
16 ms |
1672 KB |
Output is correct |
40 |
Correct |
16 ms |
1672 KB |
Output is correct |
41 |
Correct |
20 ms |
1672 KB |
Output is correct |
42 |
Correct |
20 ms |
1672 KB |
Output is correct |
43 |
Correct |
20 ms |
1672 KB |
Output is correct |
44 |
Correct |
20 ms |
1672 KB |
Output is correct |
45 |
Correct |
24 ms |
1672 KB |
Output is correct |
46 |
Correct |
24 ms |
1672 KB |
Output is correct |
47 |
Correct |
24 ms |
1672 KB |
Output is correct |
48 |
Correct |
24 ms |
1672 KB |
Output is correct |
49 |
Correct |
28 ms |
1672 KB |
Output is correct |
50 |
Correct |
28 ms |
1672 KB |
Output is correct |