#include <bits/stdc++.h>
#define stop system("pause")
#define stop2 char o; cin >> o
#define INP freopen("pcb.in","r",stdin)
#define OUTP freopen ("pcb.out","w",stdout)
//#define int long long
using namespace std;
const int maxn = 100004;
vector<vector<int> > v;
main(){
ios_base::sync_with_stdio(0);
int n,m,k; cin >> n >> m >> k;
v.resize(n+2);
for(int i(0); i < k;i++){
int a,b; cin >> a >> b;
v[a].push_back(b);
}
int ans = 0;
for(int l(1);l<=n;l++){
set<int> s;
for(int r(l);r<=n;r++){
if(!v[r].size())break;
for(int z(0); z < v[r].size();z++)s.insert(v[r][z]);
if(s.size()==m && s.size()<=(r-l+1)){
ans++;
//cout << l << ' ' << r << ' ' << s.size() << endl;
}
}
}
cout << ans;
return 0;
}
/*
10 4
1 5 5 5 10 4 4 2 3 1
*/
Compilation message
marriage.cpp:13:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main(){
^
marriage.cpp: In function 'int main()':
marriage.cpp:26:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int z(0); z < v[r].size();z++)s.insert(v[r][z]);
~~^~~~~~~~~~~~~
marriage.cpp:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(s.size()==m && s.size()<=(r-l+1)){
~~~~~~~~^~~
marriage.cpp:27:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(s.size()==m && s.size()<=(r-l+1)){
~~~~~~~~^~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 3 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 4 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 5 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 6 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
380 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 14 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 15 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 16 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 17 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 18 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 19 |
Correct |
8 ms |
376 KB |
Output is correct |
| 20 |
Correct |
4 ms |
376 KB |
Output is correct |
| 21 |
Correct |
2 ms |
376 KB |
Output is correct |
| 22 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 23 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
| 24 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
| 25 |
Correct |
162 ms |
564 KB |
Output is correct |
| 26 |
Incorrect |
13 ms |
376 KB |
Output isn't correct |
| 27 |
Correct |
2 ms |
376 KB |
Output is correct |
| 28 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
| 29 |
Incorrect |
42 ms |
504 KB |
Output isn't correct |
| 30 |
Incorrect |
35 ms |
504 KB |
Output isn't correct |
| 31 |
Execution timed out |
1566 ms |
632 KB |
Time limit exceeded |
| 32 |
Incorrect |
63 ms |
504 KB |
Output isn't correct |
| 33 |
Correct |
2 ms |
380 KB |
Output is correct |
| 34 |
Incorrect |
14 ms |
376 KB |
Output isn't correct |
| 35 |
Incorrect |
746 ms |
1608 KB |
Output isn't correct |
| 36 |
Incorrect |
588 ms |
1560 KB |
Output isn't correct |
| 37 |
Execution timed out |
1549 ms |
1272 KB |
Time limit exceeded |
| 38 |
Execution timed out |
1559 ms |
1528 KB |
Time limit exceeded |
| 39 |
Incorrect |
210 ms |
764 KB |
Output isn't correct |
| 40 |
Correct |
8 ms |
1036 KB |
Output is correct |
| 41 |
Incorrect |
22 ms |
1016 KB |
Output isn't correct |
| 42 |
Execution timed out |
1547 ms |
1528 KB |
Time limit exceeded |
| 43 |
Execution timed out |
1561 ms |
1656 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1539 ms |
1784 KB |
Time limit exceeded |
| 45 |
Incorrect |
20 ms |
1912 KB |
Output isn't correct |
| 46 |
Incorrect |
245 ms |
2424 KB |
Output isn't correct |
| 47 |
Execution timed out |
1555 ms |
2296 KB |
Time limit exceeded |
| 48 |
Execution timed out |
1531 ms |
2296 KB |
Time limit exceeded |
| 49 |
Incorrect |
374 ms |
2552 KB |
Output isn't correct |
| 50 |
Incorrect |
212 ms |
1144 KB |
Output isn't correct |
