제출 #472862

#제출 시각아이디문제언어결과실행 시간메모리
472862Ahmed57Deda (COCI17_deda)C++14
40 / 140
1090 ms1296 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; cin>>n>>m; set<pair<long long,long long>> v; for(int i = 0;i<m;i++){ char x;long long a,b; cin>>x>>a>>b; if(x=='M'){ v.insert({a,b}); }else{ long long ans = 1e18; auto it = v.lower_bound({b,a});if(it!=v.begin())it--; for(;it!=v.end();it++){ if((*it).second>=b&&(*it).first<=a){ ans = min(ans,(*it).second); } } if(ans==1e18){ cout<<-1<<"\n"; }else cout<<ans<<"\n"; } } return 0; }
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