| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 19718 |
2016-02-25T04:56:39 Z |
xdoju |
창문 (kriii4_C) |
C++14 |
|
0 ms |
1084 KB |
#include <cstdio>
using namespace std;
const long long MOD = 1000000007ll;
long long modpow(long long r, long long n) {
long long ret = 1;
while (n > 0) {
if (n % 2 > 0) {
ret = (ret * r) % MOD;
}
r = (r * r) % MOD;
n /= 2;
}
return ret;
}
long long modinv(long long n) {
return modpow(n, MOD - 2);
}
void proc() {
long long h, w;
scanf("%lld %lld", &h, &w);
long long t = (((w * (w + 1) * (w + 2)) % MOD) * modinv(6)) % MOD;
long long u = (((h * (h + 1) * (h + 2)) % MOD) * modinv(6)) % MOD;
long long v = (((t * u) % MOD) * 9) % MOD;
v = (v * modinv(w * (w + 1))) % MOD;
v = (v * modinv(h * (h + 1))) % MOD;
v = (v * 4) % MOD;
printf("%lld", v);
}
int main() {
proc();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 3 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 4 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 5 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 6 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 7 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 8 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 9 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 10 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 11 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 12 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 13 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 14 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 15 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 16 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 17 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 18 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 19 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 20 |
Correct |
0 ms |
1084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
