Submission #1007401

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1007401	2024-06-24 19:04:02	giorgi_pkhaladze	The Kingdom of JOIOI (JOI17_joioi)	C++14	100 / 100	1468 ms	70864 KiB

joioi

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#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define ff first
#define ss second
using namespace std;
const int N=2010;
int n,m,ans,a[N][N],b[N][N],mn;
void turn(){
  for(int i=1; i<=n; i++) for(int j = 1; j<=m; j++)b[j][n+1-i]=a[i][j];
  swap(n,m);
  for(int i = 1; i <= n; i++) for(int j = 1; j <= m; j++)a[i][j]=b[i][j];
}
bool check(int o){
  for(int k=0; k<4; k++){
    int lst=m,omx=0,omn=1e9;
    for(int i = 1; i <= n; i++){
      for(int j = 1; j <= lst; j++)if(a[i][j]>mn+o){lst=j-1; break;}
      for(int j=lst+1; j<=m; j++){
        omx=max(omx,a[i][j]);
        omn=min(omn,a[i][j]);
      }
    }
    if(omx-omn<=o)return 1;
    if(k<3) turn();
  }
  return 0;
}
int main() {
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 45 / 45
• Subtask 3: 40 / 40