#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9+7;
const int maxn = 1e6+5;
using ll = long long;
ll r[maxn], c[maxn];
ll ans, n, m, k, sum, sum2;
int main(){
cin >> n >> m >> k;
for(int i = 1; i <= n; i++) r[i] = 1;
for(int i = 1; i <= m; i++) c[i] = 1;
char t;
ll x, y;
while(k--){
cin >> t >> x >> y;
if(t == 'R') r[x] = (r[x] * y) % MOD;
else c[x] = (c[x] * y) % MOD;
}
for(int i = 1; i <= m; i++){
sum += c[i] * i;
sum2 += c[i];
sum %= MOD;
}
sum2 = (sum2 * m) % MOD;
for(int i = 1; i <= n; i++){
ans += (sum * r[i]) % MOD;
ans %= MOD;
sum += sum2;
sum %= MOD;
}
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2548 KB |
Output is correct |
4 |
Correct |
2 ms |
2392 KB |
Output is correct |
5 |
Correct |
2 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
2 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
6 ms |
6748 KB |
Output is correct |
12 |
Correct |
7 ms |
12888 KB |
Output is correct |
13 |
Correct |
2 ms |
4700 KB |
Output is correct |
14 |
Correct |
7 ms |
12892 KB |
Output is correct |
15 |
Correct |
8 ms |
12892 KB |
Output is correct |
16 |
Correct |
14 ms |
16108 KB |
Output is correct |
17 |
Correct |
12 ms |
15960 KB |
Output is correct |
18 |
Correct |
12 ms |
16216 KB |
Output is correct |
19 |
Correct |
13 ms |
15964 KB |
Output is correct |
20 |
Correct |
12 ms |
15960 KB |
Output is correct |