Submission #773774

#TimeUsernameProblemLanguageResultExecution timeMemory
773774vjudge1Zagrade (COI20_zagrade)C++17
0 / 100
1 ms208 KiB
#include <bits/stdc++.h> using namespace std; //#define int long long #define OYY 10000000005 #define mod 1000000007 #define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); char dizi[100005]; vector <int> q; int sor(int x,int y){ cout<<" ? "<<x<<' '<<y; cout.flush()<<endl; int m;cin>>m; return m; } int main(){ //faster int n,k;cin>>n>>k; dizi[1]='('; q.push_back(1); for(int i=2;i<=n;i++){ if(q.size() && sor(q.back(),i)){ dizi[i]=')'; q.pop_back(); } else{ dizi[i]='('; q.push_back(i); } } int gec=q.size()/2; for(int i=0;i<=gec-1;i++){ dizi[q[i]]=')'; } cout<<" !"; for(int i=1;i<=n;i++)cout<<' '<<dizi[i]; cout.flush()<<endl; //return 0; }
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