#include <bits/stdc++.h>
using namespace std;
//char dp[2222][33333];
int pref[2002][30003];
int n, m, k;
int check(int l, int r) {
if (r - l + 1 < m) return 0;
for (int j = 1; j <= m; j++) {
if (pref[j][r] - pref[j][l-1] == 0)
return 0;
}
return 1;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m >> k;
for (int i = 0; i < k; i++) {
int a, b;
cin >> a >> b;
pref[b][a] = 1;
}
for (int j = 1; j <= m; j++) {
for (int i = 1; i <= n; i++) {
pref[j][i] += pref[j][i-1];
}
}
int ans = 0;
for (int l = 1, r = 1; l <= n; l++) {
while (r <= n && check(l, r) == 0) r++;
if (r <= n) {
ans += n - r + 1;
}
}
cout << ans << '\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 3 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
| 4 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
| 10 |
Correct |
0 ms |
332 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
0 ms |
204 KB |
Output is correct |
| 14 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
| 15 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 16 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
460 KB |
Output is correct |
| 20 |
Correct |
1 ms |
460 KB |
Output is correct |
| 21 |
Correct |
1 ms |
460 KB |
Output is correct |
| 22 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
| 23 |
Correct |
1 ms |
460 KB |
Output is correct |
| 24 |
Correct |
0 ms |
460 KB |
Output is correct |
| 25 |
Correct |
2 ms |
844 KB |
Output is correct |
| 26 |
Incorrect |
1 ms |
844 KB |
Output isn't correct |
| 27 |
Correct |
1 ms |
844 KB |
Output is correct |
| 28 |
Incorrect |
1 ms |
844 KB |
Output isn't correct |
| 29 |
Correct |
2 ms |
844 KB |
Output is correct |
| 30 |
Correct |
1 ms |
844 KB |
Output is correct |
| 31 |
Correct |
10 ms |
4336 KB |
Output is correct |
| 32 |
Incorrect |
4 ms |
4380 KB |
Output isn't correct |
| 33 |
Correct |
3 ms |
4300 KB |
Output is correct |
| 34 |
Incorrect |
4 ms |
4300 KB |
Output isn't correct |
| 35 |
Correct |
18 ms |
4332 KB |
Output is correct |
| 36 |
Correct |
12 ms |
4300 KB |
Output is correct |
| 37 |
Correct |
45 ms |
14288 KB |
Output is correct |
| 38 |
Correct |
31 ms |
14276 KB |
Output is correct |
| 39 |
Incorrect |
276 ms |
86792 KB |
Output isn't correct |
| 40 |
Correct |
81 ms |
86852 KB |
Output is correct |
| 41 |
Correct |
281 ms |
86864 KB |
Output is correct |
| 42 |
Correct |
141 ms |
63096 KB |
Output is correct |
| 43 |
Correct |
132 ms |
63040 KB |
Output is correct |
| 44 |
Correct |
363 ms |
125956 KB |
Output is correct |
| 45 |
Correct |
1181 ms |
235156 KB |
Output is correct |
| 46 |
Execution timed out |
1599 ms |
235148 KB |
Time limit exceeded |
| 47 |
Correct |
729 ms |
235076 KB |
Output is correct |
| 48 |
Correct |
705 ms |
235160 KB |
Output is correct |
| 49 |
Execution timed out |
1580 ms |
235156 KB |
Time limit exceeded |
| 50 |
Incorrect |
864 ms |
235236 KB |
Output isn't correct |
