Submission #1051934

#TimeUsernameProblemLanguageResultExecution timeMemory
1051934MrAndriaColors (BOI20_colors)C++14
0 / 100
1 ms344 KiB
#include <bits/stdc++.h> using namespace std; #define ff first; #define ss second #define pb push_back //#define int long long int k,l,r,n,ans; bool b1; int main(){ cin>>n; cout<<"? "<<1<<endl; cin>>b1; l=2; r=n; k=2; while(true){ if(k%2==0){ cout<<"? "<<r<<endl; cin>>b1; if(b1==1){ ans=r-(l-1); }else{ break; } r--; }else{ cout<<"? "<<l<<endl; cin>>b1; if(b1==1){ ans=(r+1)-l; }else{ break; } l++; } k++; } cout<<"= "<<ans<<endl; }
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