제출 #765019

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
765019		1075508020060209tc	Sob (COCI19_sob)	C++14	110 / 110	542 ms	9108 KiB

sob

#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define X first
#define Y second
int n;int m;
int vis[1000006];

signed main(){
cin.tie(0);
ios_base::sync_with_stdio(0);
vector<pair<int,int>>ans;
cin>>n>>m;
int lst=0;
for(int i=n-1;i>=0;i--){
    if(lst!=0&&vis[lst-1]==0&&((i&(lst-1+m))==i)  ){
        lst--;
        //ans.push_back({i,lst+m});
        cout<<i<<" "<<lst+m<<endl;
        vis[lst]=1;
        continue;
    }
    for(int j=0;j<=n-1;j++){
        if(vis[j]){continue;}
        if( ((i&(j+m))==i)  ){
            cout<<i<<" "<<j+m<<endl;
            lst=j;
            vis[j]=1;
            break;
        }
    }
}

}

• Subtask 1: 10 / 10
• Subtask 2: 29 / 29
• Subtask 3: 39 / 39
• Subtask 4: 32 / 32