#include <bits/stdc++.h>
using namespace std;
#define inf 1e18
#define int long long
const int mod=1e9+7;
const int MAXN=501;
vector<vector<int>>dp(MAXN,vector<int>(MAXN,0)),mat(MAXN,vector<int>(MAXN,0));
int omg(int x1,int y1,int x2,int y2){
return dp[x2][y2]-dp[x1-1][y2]-dp[x2][y1-1]+dp[x1-1][y1-1];
}
int32_t main(){
int n,m,a,b,ans=inf;
cin>>n>>m>>a>>b;
if(a>b){
swap(a,b);
}
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++){
cin>>mat[i][j];
dp[i][j]=mat[i][j]+dp[i-1][j]+dp[i][j-1]-dp[i-1][j-1];
}
for(int i=1;i<=m;i++)
for(int j=1;j<=m;j++){
int l=1,r=1;
while(r<=m){
int aq=omg(i,l,j,r);
ans=min(abs(a-aq)+abs(b-aq),ans);
if(aq>b){
l++;
if(l>r)
r++;
}
else if(aq>=a){
cout<<b-a<<"\n";
return 0;
}
else
r++;
}
}
cout<<ans<<"\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4188 KB |
Output is correct |
2 |
Correct |
2 ms |
4188 KB |
Output is correct |
3 |
Correct |
3 ms |
4348 KB |
Output is correct |
4 |
Correct |
3 ms |
4188 KB |
Output is correct |
5 |
Correct |
3 ms |
4188 KB |
Output is correct |
6 |
Correct |
3 ms |
4188 KB |
Output is correct |
7 |
Correct |
2 ms |
4188 KB |
Output is correct |
8 |
Incorrect |
2 ms |
4188 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4188 KB |
Output is correct |
2 |
Correct |
2 ms |
4188 KB |
Output is correct |
3 |
Correct |
3 ms |
4348 KB |
Output is correct |
4 |
Correct |
3 ms |
4188 KB |
Output is correct |
5 |
Correct |
3 ms |
4188 KB |
Output is correct |
6 |
Correct |
3 ms |
4188 KB |
Output is correct |
7 |
Correct |
2 ms |
4188 KB |
Output is correct |
8 |
Incorrect |
2 ms |
4188 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4188 KB |
Output is correct |
2 |
Correct |
2 ms |
4188 KB |
Output is correct |
3 |
Correct |
3 ms |
4348 KB |
Output is correct |
4 |
Correct |
3 ms |
4188 KB |
Output is correct |
5 |
Correct |
3 ms |
4188 KB |
Output is correct |
6 |
Correct |
3 ms |
4188 KB |
Output is correct |
7 |
Correct |
2 ms |
4188 KB |
Output is correct |
8 |
Incorrect |
2 ms |
4188 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |