# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
9808 |
2014-09-28T09:40:21 Z |
kkjjkk |
Uniting (kriii2_U) |
C++ |
|
16 ms |
2456 KB |
#include <algorithm>
#include <iostream>
#include <cstdio>
using namespace std;
long long h[100005], m = 1000000007;
int main()
{
int n;
scanf("%d", &n);
for(int i = 0; i < n; i++) scanf("%lld", &h[i]);
if(n == 1) { printf("0\n"); printf("1"); }
else if(n == 2) { printf("%lld\n", h[0] * h[1]); printf("2"); }
else {
long long a = h[0] + h[1];
long long b = h[0] * h[1];
long long c, s = 1;
for(int i = 2; i < n; i++) {
c = a * h[i];
a += h[i]; b += c;
}
printf("%lld\n", b);
for(int i = 2; i <= n; i++) { s *= ( (i % m) * ((i - 1) % m) ) % m; s %= m; }
printf("%lld", s);
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
2456 KB |
Output is correct |
2 |
Correct |
0 ms |
2456 KB |
Output is correct |
3 |
Correct |
0 ms |
2456 KB |
Output is correct |
4 |
Correct |
0 ms |
2456 KB |
Output is correct |
5 |
Correct |
0 ms |
2456 KB |
Output is correct |
6 |
Correct |
0 ms |
2456 KB |
Output is correct |
7 |
Correct |
0 ms |
2456 KB |
Output is correct |
8 |
Correct |
0 ms |
2456 KB |
Output is correct |
9 |
Correct |
0 ms |
2456 KB |
Output is correct |
10 |
Correct |
0 ms |
2456 KB |
Output is correct |
11 |
Correct |
0 ms |
2456 KB |
Output is correct |
12 |
Correct |
0 ms |
2456 KB |
Output is correct |
13 |
Correct |
0 ms |
2456 KB |
Output is correct |
14 |
Correct |
0 ms |
2456 KB |
Output is correct |
15 |
Correct |
0 ms |
2456 KB |
Output is correct |
16 |
Correct |
0 ms |
2456 KB |
Output is correct |
17 |
Correct |
0 ms |
2456 KB |
Output is correct |
18 |
Correct |
0 ms |
2456 KB |
Output is correct |
19 |
Correct |
0 ms |
2456 KB |
Output is correct |
20 |
Correct |
0 ms |
2456 KB |
Output is correct |
21 |
Correct |
4 ms |
2456 KB |
Output is correct |
22 |
Correct |
4 ms |
2456 KB |
Output is correct |
23 |
Correct |
4 ms |
2456 KB |
Output is correct |
24 |
Correct |
4 ms |
2456 KB |
Output is correct |
25 |
Correct |
4 ms |
2456 KB |
Output is correct |
26 |
Correct |
4 ms |
2456 KB |
Output is correct |
27 |
Correct |
4 ms |
2456 KB |
Output is correct |
28 |
Correct |
4 ms |
2456 KB |
Output is correct |
29 |
Correct |
4 ms |
2456 KB |
Output is correct |
30 |
Correct |
4 ms |
2456 KB |
Output is correct |
31 |
Correct |
4 ms |
2456 KB |
Output is correct |
32 |
Correct |
8 ms |
2456 KB |
Output is correct |
33 |
Correct |
8 ms |
2456 KB |
Output is correct |
34 |
Correct |
8 ms |
2456 KB |
Output is correct |
35 |
Correct |
8 ms |
2456 KB |
Output is correct |
36 |
Correct |
8 ms |
2456 KB |
Output is correct |
37 |
Correct |
8 ms |
2456 KB |
Output is correct |
38 |
Correct |
4 ms |
2456 KB |
Output is correct |
39 |
Correct |
12 ms |
2456 KB |
Output is correct |
40 |
Correct |
8 ms |
2456 KB |
Output is correct |
41 |
Correct |
4 ms |
2456 KB |
Output is correct |
42 |
Correct |
12 ms |
2456 KB |
Output is correct |
43 |
Correct |
12 ms |
2456 KB |
Output is correct |
44 |
Correct |
12 ms |
2456 KB |
Output is correct |
45 |
Correct |
8 ms |
2456 KB |
Output is correct |
46 |
Correct |
12 ms |
2456 KB |
Output is correct |
47 |
Correct |
12 ms |
2456 KB |
Output is correct |
48 |
Correct |
16 ms |
2456 KB |
Output is correct |
49 |
Correct |
12 ms |
2456 KB |
Output is correct |
50 |
Correct |
16 ms |
2456 KB |
Output is correct |