Submission #1357028

#	Time	Username	Problem	Language	Result	Execution time	Memory
1357028		jump	A Difficult(y) Choice (BOI21_books)	C++20	Compilation error	0 ms	0 KiB

books

#include <bits/stdc++.h>
#define int long long
std::vector<int> type = {1};
int nType[100010];
int search(int l,int r,int i){
  if(l==r)return l;
  int mid=(l+r)/2;
  for(int i=l;i<=mid;i++){
    std::cout << type[i] << ' ';
  }
  std::cout << i << std::endl;
  int res;
  std::cin >> res;
  if(res<=mid-l+1){
    return search(l,mid,i);
  }
  else{
    return search(mid+1,r,i);
  }
}
signed main(){
  nType[1]=1;
  int n;std::cin >> n;
  for(int i=2;i<=n;i++){
    for(auto num:type){
      std::cout << num << ' ';
    }
    std::cout << i << std::endl;
    int res;
    std::cin >> res;
    if(res<=type.size()){
      nType[i]=nType[type[search(0,type.size()-1,i)]];
    }
    else{
      type.push_back(i);
      nType[i]=type.size();
    }
  }
  for(int i=1;i<=n;i++)std::cout << nType[i] << ' ';
  std::cout << std::endl;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc6AoJQb.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccwHXSeu.o:books.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc6AoJQb.o: in function `main':
grader.cpp:(.text.startup+0x7f): undefined reference to `solve(int, int, long long, int)'
collect2: error: ld returned 1 exit status