#include <bits/stdc++.h>
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define mid ((x + y) / 2)
#define left (ind * 2)
#define right (ind * 2 + 1)
#define mp make_pair
#define timer ((double)clock() / CLOCKS_PER_SEC)
#define endl "\n"
#define spc " "
#define d1(x) cerr<<#x<<":"<<x<<endl
#define d2(x, y) cerr<<#x<<":"<<x<<" "<<#y<<":"<<y<<endl
#define d3(x, y, z) cerr<<#x<<":"<<x<<" "<<#y<<":"<<y<<" "<<#z<<":"<<z<<endl
#define fast_io() ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
typedef long long int lli;
typedef pair<lli, lli> ii;
typedef pair<ii, int> iii;
typedef pair<double, double> dd;
const int N = (int)(1e6 + 5);
const int LOG = (int)(20);
const int mod = (int)(1e9 + 7);
lli n, m, k, rr[N], cc[N], ans;
vector<lli> r, c;
lli get(lli x, lli y) {
return (m * (x - 1) % mod + y) % mod;
}
lli sumr(lli x) {
return ((m * m % mod) * (x - 1) % mod + (m * (m + 1) / 2) % mod) % mod;
}
lli sumc(lli x) {
return (x * n % mod + m * (n * (n - 1) / 2) % mod) % mod;
}
signed main() {
fast_io();
// freopen("inp.in", "r", stdin);
memset(rr, -1, sizeof rr);
memset(cc, -1, sizeof cc);
cin >> n >> m >> k;
for(lli i = 1; i <= k; i++) {
char c;
lli a, b;
cin >> c >> a >> b;
if(c == 'R') {
if(rr[a] != -1) {
rr[a] *= b;
rr[a] %= mod;
}
else
rr[a] = b;
}
else {
if(cc[a] != -1) {
cc[a] *= b;
cc[a] %= mod;
}
else
cc[a] = b;
}
}
for(lli i = 1; i <= 1e6; i++) {
if(rr[i] != -1)
r.pb(i);
if(cc[i] != -1)
c.pb(i);
}
for(int i = 1; i <= n; i++) {
ans += sumr(i);
ans %= mod;
}
for(auto i : r) {
ans += sumr(i) * (rr[i] - 1) % mod;
ans %= mod;
}
for(auto i : c) {
ans += sumc(i) * (cc[i] - 1) % mod;
ans %= mod;
}
for(auto i : r) {
for(auto j : c) {
ans += get(i, j) * (rr[i] * cc[j] % mod + (mod - rr[i] - cc[j])) % mod;
ans %= mod;
ans += get(i, j);
ans %= mod;
}
}
assert(ans >= 0);
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
16000 KB |
Output is correct |
2 |
Correct |
20 ms |
15948 KB |
Output is correct |
3 |
Correct |
19 ms |
16048 KB |
Output is correct |
4 |
Runtime error |
42 ms |
31836 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
5 |
Runtime error |
39 ms |
31836 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
6 |
Correct |
20 ms |
16000 KB |
Output is correct |
7 |
Correct |
20 ms |
16120 KB |
Output is correct |
8 |
Correct |
19 ms |
16128 KB |
Output is correct |
9 |
Correct |
19 ms |
16000 KB |
Output is correct |
10 |
Runtime error |
40 ms |
31864 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
11 |
Correct |
19 ms |
15980 KB |
Output is correct |
12 |
Correct |
26 ms |
16000 KB |
Output is correct |
13 |
Correct |
19 ms |
16128 KB |
Output is correct |
14 |
Correct |
23 ms |
16000 KB |
Output is correct |
15 |
Correct |
24 ms |
16000 KB |
Output is correct |
16 |
Correct |
30 ms |
16128 KB |
Output is correct |
17 |
Correct |
28 ms |
16000 KB |
Output is correct |
18 |
Correct |
28 ms |
16128 KB |
Output is correct |
19 |
Correct |
28 ms |
16000 KB |
Output is correct |
20 |
Correct |
32 ms |
16000 KB |
Output is correct |