# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
9325 |
2014-09-28T05:36:18 Z |
myungwoo |
Uniting (kriii2_U) |
C++14 |
|
12 ms |
1088 KB |
#include<stdio.h>
#define mod 1000000007
typedef long long lld;
lld n, s, sum, sqsum, fac=1;
int main(){
lld i;
scanf("%lld", &n);
for(i=0; i<n; i++){
scanf("%lld", &s);
sum+=s, sqsum+=s*s;
}
for(i=n; i>=2; i--){
fac=(fac*i)%mod;
fac=(fac*(i-1))%mod;
}
printf("%lld\n%lld", (sum*sum-sqsum)/2, fac);
return 0;
}
# |
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 |
4 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 |
8 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 |
8 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 |
12 ms |
1088 KB |
Output is correct |
48 |
Correct |
12 ms |
1088 KB |
Output is correct |
49 |
Correct |
8 ms |
1088 KB |
Output is correct |
50 |
Correct |
4 ms |
1088 KB |
Output is correct |