Submission #776723

#	Time	Username	Problem	Language	Result	Execution time	Memory
776723		vjudge1	Sajam (COCI18_sajam)	C++17	45 / 90	20 ms	4180 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

int32_t main(){
    faster
    int n,k;
    cin>>n>>k;
    string s[n],ger[n],sor1[n];
    int cev=0,xi=0,oi=0,cev1=0;
    for(int i=0;i<n;i++){
        cin>>s[i];
        string f="";
        for(int j=0;j<n;j++){
            if(s[i][j]=='x'){
                f+='o';
            }
            else f+='x';
        }
        ger[i]=f;
    }
    int gec=n*n;
    if(gec%2!=0)gec++;
    gec/=2;
    if(k>=gec){
        cout<<"DA"<<'\n';
    }
    else{
    for(int i=0;i<n;i++){
        if(ger[i][0]=='o'){
            sor1[i]=ger[i];
        }
        else{
            sor1[i]=s[i];
        }
    }
    bool stop=true;
    int gec=OYY;
    for(int i=0;i<n;i++){
        gec=OYY;
        xi=0,oi=0;
        for(int j=0;j<n;j++){
            if(sor1[j][i]=='x')xi++;
            else oi++;
            //cout<<sor1[j][i]<<" ";
        }
        //cout<<endl;
        gec=min(oi,xi);
        cev+=gec;
        //cout<<cev<<" "<<oi<<" "<<xi<<'\n';
    }
    for(int i=0;i<n;i++){
        gec=OYY;
        xi=0,oi=0;
        for(int j=0;j<n;j++){
            if(sor1[i][j]=='x')xi++;
            else oi++;
            //cout<<sor1[j][i]<<" ";
        }
        //cout<<endl;
        gec=min(oi,xi);
        cev1+=gec;
        //cout<<cev<<" "<<oi<<" "<<xi<<'\n';
    }
    if(min(cev,cev1)<=k)cout<<"DA"<<'\n';
    else cout<<"NE"<<'\n';
    }
    return 0;
}

Compilation message (stderr)

sajam.cpp: In function 'int32_t main()':
sajam.cpp:41:10: warning: unused variable 'stop' [-Wunused-variable]
   41 |     bool stop=true;
      |          ^~~~

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