Submission #1100551

#	Time	Username	Problem	Language	Result	Execution time	Memory
1100551		epicci23	A Difficult(y) Choice (BOI21_books)	C++17	Compilation error	0 ms	0 KiB

books

#include "bits/stdc++.h"
#include "books.h"
using namespace std;
//#define int long long
#define all(v) v.begin(),v.end()
#define sz(v) (int)v.size()

void solve(int N, int K, long long A, int S) {
    vector<long long> ilk;
    for(int i=1;i<=k;i++) ilk.push_back(skim(i));
    long long summ=accumulate(all(ilk),0LL);
    if(summ>2*A){
      impossible();
      return;
    }
    if(summ>=A){
      vector<int> lol;
      for(int i=1;i<=k;i++) lol.push_back(i);
      answer(lol);
      return;
    }
    int l=k,r=n;
    while(l<r){
      int mid=(l+r+1)/2;
      if(skim(mid)<A) l=mid;
      else r=mid-1;  
    }
    int kaydet1=skim(l);
    int kaydet2=-1;
    if(l+1<=n) kaydet2=skim(l+1);
    summ-=ilk[k-1];
    summ+=kaydet1;
    if(summ>=A && summ<=2*A){
      vector<int> lol;
      for(int i=1;i<k;i++) lol.push_back(i);
      lol.push_back(l);
      answer(lol);
      return;
    }
    if(kaydet2==-1){
      impossible();
      return;
    }
    summ-=kaydet1;
    summ+=kaydet2;
    if(summ>=A && summ<=2*A){
      vector<int> lol;
      for(int i=1;i<k;i++) lol.push_back(i);
      lol.push_back(l+1);
      answer(lol);
      return;
    }
    impossible();
    return;
}

/*
void _(){
  
}

int32_t main(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  int tc=1;//cin >> tc;
  while(tc--) _();
}*/

Compilation message (stderr)

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:10:20: error: 'k' was not declared in this scope
   10 |     for(int i=1;i<=k;i++) ilk.push_back(skim(i));
      |                    ^
books.cpp:18:22: error: 'k' was not declared in this scope
   18 |       for(int i=1;i<=k;i++) lol.push_back(i);
      |                      ^
books.cpp:22:11: error: 'k' was not declared in this scope
   22 |     int l=k,r=n;
      |           ^
books.cpp:23:13: error: 'r' was not declared in this scope
   23 |     while(l<r){
      |             ^
books.cpp:30:13: error: 'n' was not declared in this scope
   30 |     if(l+1<=n) kaydet2=skim(l+1);
      |             ^