Submission #777380

#	Time	Username	Problem	Language	Result	Execution time	Memory
777380		vjudge1	Sajam (COCI18_sajam)	C++17	45 / 90	128 ms	9092 KiB

sajam

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OYY 1000000000005
#define faster ios_base::sync_with_stdio(false); cin.tie(NULL);
#define mid (start+end)/2
#define mod 1000000007
int dizi[1005][1005],x[1005][1005];

int32_t main(){
    faster
    int n,k;
    cin>>n>>k;
    char c;
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cin>>c;
            if(c=='o')dizi[i][j]=0;
            else dizi[i][j]=1;
        }
    }
    int tut;
    if(n%2==0)tut=n*n/2+1;
    else tut=n*n/2;
    if(n==1){
        cout<<"DA"<<'\n';
        return 0;
    }
    else if(k>=tut){
        cout<<"DA"<<'\n';
        return 0;
    }
    bool stop=true;bool sto=true;
    int y=100;
    while(y--){
    int cev=0;
    for(int i=1;i<n && stop;i++){
        for(int j=1;j<n && stop;j++){
            int sor=dizi[i-1][j-1]+dizi[i-1][j]+dizi[i][j-1]+dizi[i][j];
            if(sor%2!=0){
                dizi[i][j]^=1;
                cev++;
            }
            if(cev>k){
                stop=false;
                break;
            }
        }
    }
    int cev1=0;
    for(int i=1;i<n && sto;i++){
        for(int j=1;j<n && sto;j++){
            int sor=dizi[i-1][j-1]+dizi[i-1][j]+dizi[i][j-1]+dizi[i][j];
            if(sor%2!=0){
                dizi[i-1][j-1]^=1;
                cev1++;
            }
            if(cev1>k){
                sto=false;
                break;
            }
        }
    }
    if(stop && sto){
        cout<<"DA"<<'\n';
        return 0;
    }
    }
    cout<<"NE"<<'\n';
    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 15