#include <bits/stdc++.h>
#define int long long
using namespace std;
string yn(bool ans,string y="YES",string n="NO"){
return (ans?y:n);
}
#define all(a) a.begin(),a.end()
void gogo(){
int n,m;
cin>>n>>m;
int a[n][m];
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cin>>a[i][j];
}
}
int ans=-INT_MAX;
int mn[n+1][n+1];
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
mn[i][j]=a[i][j]-i-j;
if(i>0){
mn[i][j]=min(mn[i][j],mn[i-1][j]);
}
if(j>0){
mn[i][j]=min(mn[i][j],mn[i][j-1]);
}
if(j and i){
mn[i][j]=min(mn[i][j],mn[i-1][j-1]);
}
}
}
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
a[i][j]-=i+j;
ans=max(ans,a[i][j]-mn[i][j]);
}
}
cout<<ans-1<<endl;
}
main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
long long t=1;
// cin>>t;
while(t--){
gogo();
}
}
Compilation message
maxcomp.cpp:41:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
41 | main(){
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |