제출 #1152345

#제출 시각아이디문제언어결과실행 시간메모리
1152345i271828Zagrade (COI20_zagrade)C++20
71 / 100
231 ms836 KiB
#include <bits/stdc++.h> #define ll long long using namespace std; int N=6; int Q=10; vector<int> pos={0}; string ans; int main(){ cin>>N>>Q; int l=0; int r=1; ans.push_back('('); while (ans.size()<N){ cout<<"? "<<l+1<<" "<<r+1<<"\n"; bool res; cin>>res; if (res){ ans.push_back(')'); pos.pop_back(); l=pos.back(); }else{ ans.push_back('('); pos.push_back(r); l=pos.back(); } r++; } cout<<"! "<<ans; }
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