Submission #735445

#	Time	Username	Problem	Language	Result	Execution time	Memory
735445		keisuke6	Fun Tour (APIO20_fun)	C++14	Compilation error	0 ms	0 KiB

fun

#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  int N;
  cin>>N;
  vector<int> A = {};
  while(N > 2){
    int d = 0;
    while((1<<(d+1)) <= N) d++;
    if(N+1-(1<<d) > (1<<(d-1))){
      int s = (1<<d)+(1<<(d+1))-3;
      int c = 0;
      for(int i=(1<<d)-1;i<(1<<d)-1+(1<<(d-1));i++)if(s-i < N && i < s-i){
        A.push_back(s-i);
        A.push_back(i);
        c += 2;
      }
      N -= c;
      continue;
    }
    if(N+1-(1<<d) > (1<<(d-1)-1)/2+1){
      int s = (1<<d)+(1<<d)+(1<<(d-1))-3;
      int c = 0;
      for(int i=(1<<d)-1;i<=s-((1<<d)-1);i++)if(s-i < N && i < s-i){
        A.push_back(i);
        A.push_back(s-i);
        c+=2;
      }
      N -= c;
      continue;
    }
    int c = 0;
    for(int i=(1<<d)-1;i<N;i++){
      c += 2;
      A.push_back((1<<(d+1))-3-i);
      A.push_back(i);
    }
    N -= c;
    if(clock()*1.0/CLOCKS_PER_SEC > 1.6) break;
  }
  if(N == 2){
    A.push_back(1);
    A.push_back(0);
  }
  if(N == 1) A.push_back(0);
  for(int x:A) cout<<x<<' ';
  cout<<endl;
}

Compilation message (stderr)

fun.cpp: In function 'int main()':
fun.cpp:22:30: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   22 |     if(N+1-(1<<d) > (1<<(d-1)-1)/2+1){
      |                         ~~~~~^~
/usr/bin/ld: /tmp/ccdCg9hX.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccWo7w8X.o:fun.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccdCg9hX.o: in function `main':
grader.cpp:(.text.startup+0x62a): undefined reference to `createFunTour(int, int)'
collect2: error: ld returned 1 exit status