#include <bits/stdc++.h>
#define DIM 30010
using namespace std;
vector <int> L[DIM];
bitset <DIM> f;
int Left[DIM],Right[DIM];
int n,m,k,i,x,y,cnt,st,dr;
int cupleaza (int nod){
if (f[nod])
return 0;
f[nod] = 1;
for (auto vecin : L[nod]){
if (!(vecin >= st && vecin <= dr))
continue;
if (!Right[vecin]){
Right[vecin] = nod;
Left[nod] = vecin;
cnt++;
return 1;
}
}
for (auto vecin : L[nod]){
if (!(vecin >= st && vecin <= dr))
continue;
if (cupleaza (Right[vecin])){
Left[nod] = vecin;
Right[vecin] = nod;
return 1;
}
}
return 0;
}
void add (){
int ok = 0;
do{
f.reset();
ok = 0;
for (int i=1;i<=n;i++){
if (!Left[i] && cupleaza (i))
ok = 1;
}
} while (ok);
}
void delete_ (){
if (!Right[st]) /// nodul asta nu face parte din cuplaj
return;
cnt--; /// ramane nodul din stanga necuplat
int nod = Right[st];
Left[nod] = Right[st] = 0;
st++;
cupleaza(nod);
}
int main (){
//ifstream cin ("date.in");
//ofstream cout ("date.out");
cin>>m>>n>>k;
for (i=1;i<=k;i++){
cin>>x>>y;
L[y].push_back(x);
}
int sol = 0;
st = 1;
for (dr=1;dr<=m;dr++){
/// adaug nodul asta
add ();
while (cnt == n && st < dr){
delete_();
if (cnt < n){
st--;
add(); /// il adaug la loc
break;
}
}
if (cnt == n)
sol += st;
}
cout<<sol;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 2 |
Execution timed out |
1584 ms |
1004 KB |
Time limit exceeded |
| 3 |
Execution timed out |
1578 ms |
1004 KB |
Time limit exceeded |
| 4 |
Execution timed out |
1592 ms |
1004 KB |
Time limit exceeded |
| 5 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 8 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 12 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 13 |
Execution timed out |
1596 ms |
1004 KB |
Time limit exceeded |
| 14 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 15 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 16 |
Execution timed out |
1582 ms |
1004 KB |
Time limit exceeded |
| 17 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 18 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1004 KB |
Output is correct |
| 20 |
Correct |
2 ms |
1148 KB |
Output is correct |
| 21 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 22 |
Execution timed out |
1591 ms |
1004 KB |
Time limit exceeded |
| 23 |
Correct |
2 ms |
1004 KB |
Output is correct |
| 24 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 25 |
Correct |
73 ms |
1132 KB |
Output is correct |
| 26 |
Execution timed out |
1582 ms |
1004 KB |
Time limit exceeded |
| 27 |
Correct |
2 ms |
1004 KB |
Output is correct |
| 28 |
Execution timed out |
1591 ms |
1004 KB |
Time limit exceeded |
| 29 |
Execution timed out |
1564 ms |
1132 KB |
Time limit exceeded |
| 30 |
Execution timed out |
1584 ms |
1132 KB |
Time limit exceeded |
| 31 |
Correct |
802 ms |
1388 KB |
Output is correct |
| 32 |
Execution timed out |
1599 ms |
1132 KB |
Time limit exceeded |
| 33 |
Correct |
6 ms |
1004 KB |
Output is correct |
| 34 |
Execution timed out |
1588 ms |
1132 KB |
Time limit exceeded |
| 35 |
Correct |
191 ms |
1516 KB |
Output is correct |
| 36 |
Correct |
178 ms |
1596 KB |
Output is correct |
| 37 |
Execution timed out |
1556 ms |
1644 KB |
Time limit exceeded |
| 38 |
Incorrect |
331 ms |
1772 KB |
Output isn't correct |
| 39 |
Execution timed out |
1595 ms |
1260 KB |
Time limit exceeded |
| 40 |
Correct |
279 ms |
1132 KB |
Output is correct |
| 41 |
Execution timed out |
1586 ms |
1260 KB |
Time limit exceeded |
| 42 |
Execution timed out |
1587 ms |
1356 KB |
Time limit exceeded |
| 43 |
Execution timed out |
1590 ms |
1484 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1590 ms |
1900 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1598 ms |
1388 KB |
Time limit exceeded |
| 46 |
Execution timed out |
1574 ms |
1900 KB |
Time limit exceeded |
| 47 |
Execution timed out |
1588 ms |
1772 KB |
Time limit exceeded |
| 48 |
Execution timed out |
1576 ms |
1648 KB |
Time limit exceeded |
| 49 |
Execution timed out |
1587 ms |
1844 KB |
Time limit exceeded |
| 50 |
Execution timed out |
1590 ms |
1388 KB |
Time limit exceeded |
