Submission #930372

#	Time	Username	Problem	Language	Result	Execution time	Memory
930372		vjudge1	Towers (NOI22_towers)	C++17	0 / 100	2009 ms	20552 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    pair<int,int> arr[n];
    map<int,int> x;
    map<int,int> y;
    for(int i = 0;i<n;i++)cin>>arr[i].first>>arr[i].second;
    for(int mask = 1;mask< (1<<n);mask++){
        for(int i = 0;i<n;i++){x[arr[i].first]=0;y[arr[i].second]=0;}
        int cnt = 0;
        bool can = true;
        for(int i = 0;i<n;i++){
            if(!((1<<i)&mask))continue;
            cnt++;
            x[arr[i].first]++;
            y[arr[i].second]++;
            if(x[arr[i].first]==3||y[arr[i].first]==3){can=false;break;}
        }
        can&=(cnt>=2);
        if(can){
            for(int i = 0;i<n;i++){
                if(!((1<<i)&mask))cout<<0;
                else{
                    cout<<1;
                }
            }
            return 0;
        }
    }
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 11
• Subtask 3: 0 / 7
• Subtask 4: 0 / 6
• Subtask 5: 0 / 31
• Subtask 6: 0 / 21
• Subtask 7: 0 / 19