#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1000005;
int tree[4*N];
int lazy[4*N];
void pull(int idx){tree[idx]=min(tree[2*idx],tree[2*idx+1]);}
void apply(int idx,int x){tree[idx]+=x; lazy[idx]+=x;}
void push(int idx){for(int i=0;i<2;i++)apply(2*idx+i,lazy[idx]); lazy[idx]=0;}
void update(int idx,int l,int r,int ql,int qr,int x)
{
if(ql>qr) return;
if(l==ql&&r==qr) apply(idx,x);
else
{
int m=(l+r)/2;
push(idx);
update(2*idx,l,m,ql,min(qr,m),x);
update(2*idx+1,m+1,r,max(ql,m+1),qr,x);
pull(idx);
}
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int n,m;
cin >> m >> n;
int b,p;
cin >> b >> p;
vector<array<int,5>> obstacles(p);
for(auto &[x1,y1,x2,y2,c]:obstacles) cin >> x1 >> y1 >> x2 >> y2 >> c;
int l=0,r=min(n,m)+1;
vector<array<int,3>> v[m+2];
while(l<r-1)
{
int len=(l+r)/2;
bool ok=0;
int limm=m-len+1;
int limn=n-len+1;
auto add=[&](int x1,int y1,int x2,int y2,int c)
{
v[x1].push_back({y1,y2,1});
v[x2+1].push_back({y1,y2,-1});
};
for(auto [x1,y1,x2,y2,c]:obstacles) add(max(1,x1-len+1),max(1,y1-len+1),min(x2,limm),min(y2,limn),c);
for(int x=1;x<=limm+1;x++)
{
for(auto [y1,y2,c]:v[x]) update(1,1,limn,y1,y2,c);
if(x<=limm) ok|=(tree[1]<=b);
v[x].clear();
}
if(ok) l=len;
else r=len;
}
cout << l << "\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
944 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
23 ms |
5144 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
34 ms |
29944 KB |
Output is correct |
2 |
Correct |
114 ms |
40772 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
114 ms |
40764 KB |
Output is correct |
2 |
Correct |
44 ms |
31904 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
1880 KB |
Output is correct |
2 |
Incorrect |
7 ms |
1876 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
210 ms |
8296 KB |
Output is correct |
2 |
Incorrect |
33 ms |
7564 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
314 ms |
39824 KB |
Output is correct |
2 |
Correct |
113 ms |
28756 KB |
Output is correct |
3 |
Correct |
201 ms |
19452 KB |
Output is correct |
4 |
Incorrect |
50 ms |
37964 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
584 ms |
50684 KB |
Output is correct |
2 |
Incorrect |
212 ms |
41184 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
352 ms |
42756 KB |
Output is correct |
2 |
Incorrect |
673 ms |
52576 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
5085 ms |
79916 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
5087 ms |
85668 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
5091 ms |
92312 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |