제출 #988934

#제출 시각아이디문제언어결과실행 시간메모리
988934PenguinsAreCuteArchery (IOI09_archery)C++17
20 / 100
2102 ms9040 KiB
#include <bits/stdc++.h> using namespace std; #define int long long vector<int> comp_pos(int N, int R, vector<int> A) { R=2*N+(R%N); for(int i=0;i<R;i++) { for(int j=0;j<N;j++) if(A[j<<1]>A[j<<1|1]) swap(A[j<<1],A[j<<1|1]); int wtf = A[1]; A[1] = A[2]; for(int i=2;i<2*N-2;i+=2) A[i]=A[i+2]; A[2*N-2]=wtf; } return A; } main() { int N, R; cin >> N >> R; vector<int> A(2*N); for(int i=0;i<2*N;i++) cin>>A[i]; pair<int,int> best = {5e5,0}; for(int i=1;i<2*N;i++) { swap(A[i-1],A[i]); vector<int> u = comp_pos(N,R,A); for(int j=0;j<2*N;j++) if(u[j]==A[i]) best=min(best,{j>>1,-(i>>1)}); } cout << 1-best.second; }

컴파일 시 표준 에러 (stderr) 메시지

archery.cpp:15:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   15 | main() {
      | ^~~~
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