제출 #631186

#제출 시각아이디문제언어결과실행 시간메모리
631186smartmonkyXORanges (eJOI19_xoranges)C++14
0 / 100
10 ms16748 KiB
#include <bits/stdc++.h> #define ll long long #define pb push_back using namespace std; main(){ int n,k; cin >>n >>k; int x=(1 << n); vector <int> v(x*2); vector <int> ans(x*2); v[1]=1; ans[1]=1; v[2]=x/2+1; ans[2]=(v[2]); int cnt=2; int s=3; for(int i=x/4;i>=1;i/=2){ for(int j=1;j<=cnt;j++){ v[cnt+j]=v[j]+i; ans[s]=v[j]+i; s++; } cnt*=2; } cout<<ans[k]; }

컴파일 시 표준 에러 (stderr) 메시지

xoranges.cpp:5:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    5 | main(){
      | ^~~~
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