#include <bits/stdc++.h>
#define N 1000005
#define int long long
using namespace std;
const int mod = 1e9 + 7;
int n, m, dr[N], dc[N], q, ans, x, sum, tmp, base;
char c;
int32_t main() {
ios::sync_with_stdio(false), cin.tie(0);
cin >> n >> m >> q;
for (int i = 0; i <= max(n, m); ++i) dr[i] = dc[i] = 1;
while (q--) {
cin >> c >> x >> tmp;
if (c == 'S') dc[x] = (dc[x] * tmp) % mod;
else dr[x - 1] = (dr[x - 1] * tmp) % mod;
}
for (int i = 0; i < n; ++i) {
sum = (sum + dr[i]) % mod;
base = (base + (((i * m) % mod) * dr[i]) % mod) % mod;
}
sum %= mod;
base %= mod;
for (int i = 1; i <= m; ++i) ans = (ans + (((base + (i * sum) % mod) * dc[i]) % mod)) % mod;
cout << ans % mod << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
352 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
5 ms |
3164 KB |
Output is correct |
12 |
Correct |
13 ms |
11208 KB |
Output is correct |
13 |
Correct |
2 ms |
1120 KB |
Output is correct |
14 |
Correct |
15 ms |
13660 KB |
Output is correct |
15 |
Correct |
13 ms |
9820 KB |
Output is correct |
16 |
Correct |
21 ms |
15980 KB |
Output is correct |
17 |
Correct |
22 ms |
15964 KB |
Output is correct |
18 |
Correct |
20 ms |
15964 KB |
Output is correct |
19 |
Correct |
21 ms |
16148 KB |
Output is correct |
20 |
Correct |
20 ms |
15964 KB |
Output is correct |