제출 #472887

#제출 시각아이디문제언어결과실행 시간메모리
472887Ahmed57Deda (COCI17_deda)C++14
80 / 140
1082 ms1512 KiB
#include<bits/stdc++.h>

using namespace std;

int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n,m,g=0;
    cin>>n>>m;
    vector<pair<long long,long long>> v;
    set<pair<int,int>> s;
    for(int i = 0;i<m;i++){
        char x;long long a,b;
        cin>>x>>a>>b;
        if(x=='M'){
            v.push_back({a,b});
            s.insert({a,g});
            g++;
        }else{
            long long ans = 1e18;
            set<pair<int,int>>::iterator it = s.begin();
            for(;it!=s.end();it++){
                if((*it).first>a)break;
                if(v[(*it).second].second>=b)ans = min(ans,v[(*it).second].second);
            }
            if(ans==1e18){
                cout<<-1<<"\n";
            }else cout<<ans<<"\n";
        }
    }
	return 0;
}
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