Submission #403391

#	Time	Username	Problem	Language	Result	Execution time	Memory
403391		zaneyu	레이저 센서 (KOI16_laser)	C++14	0 / 100	87 ms	65540 KiB

laser

/*input
2
0 0 
1 1
2 4
3 9
-1 1
-2 4
*/
#include<bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define ll long long
#define pii pair<int,int> 
#define pb push_back
#define ALL(x) x.begin(),x.end()
#define f first
#define s second
#define sz(x) (int)x.size()
const int maxn=2e3+5;
pii ans[maxn];
int main(){
    ios::sync_with_stdio(false),cin.tie(0);
    int n;
    cin>>n;
    vector<pii> v;
    priority_queue<pii> less;
    priority_queue<pii,vector<pii>,greater<pii>> more;
    REP(i,n){
        int x,y;
        cin>>x>>y;
        v.pb({x,i});
    }
    REP(i,2*n){
        int x,y;
        cin>>x>>y;
        more.push({x,i});
    }
    sort(ALL(v));
    for(auto &x:v){
        while(more.top()<=x){
            less.push(more.top());
            more.pop();
        }
        if(!sz(less)){
            ans[x.s].f=more.top().s;
            more.pop();
        }
        else{ 
            ans[x.s].f=less.top().s;
            less.pop();
        }
        if(!sz(less)){
            ans[x.s].s=more.top().s;
            more.pop();
        }
        else{ 
            ans[x.s].s=less.top().s;
            less.pop();
        }
    }
    REP(i,n) cout<<ans[i].f+1<<' '<<ans[i].s+1<<'\n';
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 19
• Subtask 3: 0 / 33
• Subtask 4: 0 / 34