#include <bits/stdc++.h>
using namespace std;
vector<vector<char>> dp;
vector<vector<int>> pref;
int n, m, k;
int check(int l, int r) {
if (r - l + 1 < m) return 0;
vector<int> mas(m + 1, 0);
for (int j = 1; j <= m; j++) {
if (pref[j][r] - pref[j][l-1] > 0)
mas[j] = 1;
}
return (count(mas.begin(), mas.end(), 0) == 1 ? 1 : 0);
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m >> k;
dp = vector<vector<char>> (1 + m, vector<char>(1 + n, 0));
pref = vector<vector<int>> (1 + m, vector<int>(1 + n, 0));
for (int i = 0; i < k; i++) {
int a, b;
cin >> a >> b;
dp[b][a] = 1;
}
for (int j = 1; j <= m; j++) {
for (int i = 1; i <= n; i++) {
pref[j][i] = pref[j][i-1] + dp[j][i];
}
}
long long ans = 0;
for (int l = 1, r = 1; l <= n; l++) {
while (r <= n && !check(l, r)) r++;
if (r <= n) {
ans += n - r + 1;
}
}
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |