#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;
}
# |
결과 |
실행 시간 |
메모리 |
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 |