Submission #773830

#TimeUsernameProblemLanguageResultExecution timeMemory
773830vjudge1Zagrade (COI20_zagrade)C++17
0 / 100
0 ms256 KiB
#include <bits/stdc++.h> using namespace std; //#define int long long #define OYY 10000000005 #define mod 1000000007 //#define cout cout.flush() #define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); int sor(int x,int y){ cout<<"? "<<x<<" "<<y; cout<<endl; int m;cin>>m; cout<<endl; return m; } signed main(){ faster int n,k;cin>>n>>k; cout<<endl; vector <int> q; char dizi[n+1]; 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); } }//1-3 subtasks int gec=q.size()/2; for(int i=0;i<=gec-1;i++){ dizi[q[i]]=')'; }//2-4 subtasks cout<<'!'; for(int i=1;i<=n;i++)cout<<" "<<dizi[i]; cout<<endl; // return 0; }
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