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답안 #9619

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
9619 2014-09-28T07:41:08 Z yukariko Uniting (kriii2_U) C
1 / 4
 12 ms 1360 KB 
#include <stdio.h>
int main()
{
  int N;
  int s[100001];
  long long cnt;
  long long sum;
  int i,j;
  
  cnt = 1;
  sum = 0;
  
  scanf("%d",&N);  
  for(i=0;i<N;i++)scanf("%d",s+i); 
  for(i=0;i<N-1;i++)
  {
    sum += s[i]*s[i+1];
    s[i+1] += s[i];
    cnt = (cnt*(N-i)*(N-i-1))%1000000007;
  }
  printf("%lld\n",sum);
  printf("%lld\n",N==1?0:cnt);
}

Subtask #1
1.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1356 KB Output is correct
2 Correct 0 ms 1356 KB Output is correct
3 Correct 0 ms 1352 KB Output is correct
4 Correct 0 ms 1352 KB Output is correct
5 Correct 0 ms 1356 KB Output is correct
6 Correct 0 ms 1352 KB Output is correct
7 Correct 0 ms 1360 KB Output is correct
8 Correct 0 ms 1352 KB Output is correct
9 Correct 0 ms 1352 KB Output is correct
10 Correct 0 ms 1352 KB Output is correct
11 Correct 0 ms 1360 KB Output is correct
12 Correct 0 ms 1352 KB Output is correct
13 Correct 0 ms 1352 KB Output is correct
14 Correct 0 ms 1356 KB Output is correct
15 Correct 0 ms 1356 KB Output is correct
16 Correct 0 ms 1356 KB Output is correct
17 Correct 0 ms 1356 KB Output is correct
18 Correct 0 ms 1356 KB Output is correct
19 Correct 0 ms 1356 KB Output is correct
20 Correct 0 ms 1352 KB Output is correct
21 Correct 0 ms 1352 KB Output is correct
22 Correct 0 ms 1356 KB Output is correct
23 Correct 0 ms 1356 KB Output is correct
24 Correct 0 ms 1352 KB Output is correct
25 Correct 4 ms 1356 KB Output is correct
26 Correct 4 ms 1352 KB Output is correct
27 Correct 4 ms 1356 KB Output is correct
28 Correct 4 ms 1352 KB Output is correct
29 Correct 4 ms 1360 KB Output is correct
30 Correct 4 ms 1352 KB Output is correct
31 Correct 4 ms 1356 KB Output is correct
32 Correct 4 ms 1360 KB Output is correct
33 Correct 0 ms 1352 KB Output is correct
34 Correct 0 ms 1356 KB Output is correct
35 Correct 0 ms 1360 KB Output is correct
36 Correct 4 ms 1360 KB Output is correct
37 Correct 4 ms 1360 KB Output is correct
38 Correct 8 ms 1352 KB Output is correct
39 Correct 8 ms 1356 KB Output is correct
40 Correct 8 ms 1352 KB Output is correct
41 Correct 8 ms 1356 KB Output is correct
42 Correct 8 ms 1356 KB Output is correct
43 Correct 4 ms 1356 KB Output is correct
44 Correct 8 ms 1352 KB Output is correct
45 Correct 8 ms 1356 KB Output is correct
46 Correct 12 ms 1356 KB Output is correct
47 Correct 12 ms 1352 KB Output is correct
48 Correct 8 ms 1360 KB Output is correct
49 Correct 12 ms 1356 KB Output is correct
50 Partially correct 12 ms 1352 KB Output is partially correct