#include <bits/stdc++.h>
#define fast cin.tie(0)->sync_with_stdio(0);
#define int long long
#define inf ((int)1e18)
using namespace std;
const int N=501;
int arr[N][N], dp[N][N];
inline int sum(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(){
fast
int n,m,a,b;
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>>arr[i][j];
dp[i][j]=arr[i][j]+dp[i-1][j]+dp[i][j-1]-dp[i-1][j-1];
}
}
int ans=inf;
for(int rowst = 1; rowst <= n; rowst++){
for(int rownd = 1; rownd <= n; rownd++){
int l=1,r=1;
while(r<=m){
int now=sum(rowst,l,rownd,r);
ans=min(ans, abs(a-now)+abs(b-now));
if(now>b){
l++;
if(l>r){
r++;
}
}
else if(now>=a){
cout<<b-a<<"\n";
return 0;
}
else{
r++;
}
}
}
}
cout<<ans<<"\n";
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2392 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
4 ms |
2652 KB |
Output is correct |
| 16 |
Correct |
4 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
4 ms |
2652 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2800 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2652 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
4 ms |
2652 KB |
Output is correct |
| 16 |
Correct |
4 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
4 ms |
2652 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2800 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 23 |
Correct |
24 ms |
4188 KB |
Output is correct |
| 24 |
Correct |
17 ms |
4188 KB |
Output is correct |
| 25 |
Correct |
20 ms |
4188 KB |
Output is correct |
| 26 |
Correct |
18 ms |
4188 KB |
Output is correct |
| 27 |
Correct |
14 ms |
4188 KB |
Output is correct |
| 28 |
Correct |
26 ms |
4308 KB |
Output is correct |
| 29 |
Correct |
17 ms |
4188 KB |
Output is correct |
| 30 |
Correct |
21 ms |
4288 KB |
Output is correct |
| 31 |
Correct |
3 ms |
4188 KB |
Output is correct |
| 32 |
Correct |
320 ms |
4368 KB |
Output is correct |
| 33 |
Correct |
329 ms |
4184 KB |
Output is correct |
| 34 |
Correct |
331 ms |
4184 KB |
Output is correct |
| 35 |
Correct |
334 ms |
4440 KB |
Output is correct |
| 36 |
Correct |
318 ms |
4188 KB |
Output is correct |
| 37 |
Correct |
329 ms |
4364 KB |
Output is correct |
| 38 |
Correct |
323 ms |
4188 KB |
Output is correct |
| 39 |
Correct |
331 ms |
4184 KB |
Output is correct |
| 40 |
Correct |
322 ms |
4364 KB |
Output is correct |
| 41 |
Correct |
13 ms |
4184 KB |
Output is correct |
| 42 |
Correct |
13 ms |
4264 KB |
Output is correct |
| 43 |
Correct |
13 ms |
4148 KB |
Output is correct |
| 44 |
Correct |
13 ms |
4384 KB |
Output is correct |
