Submission #900455

#	Time	Username	Problem	Language	Result	Execution time	Memory
900455		simona1230	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;

long long n,k,a,s;
long long x[120001];

void solve(long long N,long long K,long long A,long long S)
{
    n=N;
    k=K;
    a=A;
    s=S;

    for(long long i=1;i<=n;i++)
    {
        x[i]=skim(i);
    }

    for(long long i=1;i<=n;i++)
    {
        for(long long j=i+1;j<=n;j++)
        {
            for(long long k=j+1;k<=n;k++)
            {
                long long s=x[i]+x[j]+x[k];
                if(a<=s&&s<=2*a)
                {
                    answer({i,j,k});
                    return;
                }
            }
        }
    }
    impossible();
}

Compilation message (stderr)

books.cpp: In function 'void solve(long long int, long long int, long long int, long long int)':
books.cpp:30:29: warning: narrowing conversion of 'i' from 'long long int' to 'int' [-Wnarrowing]
   30 |                     answer({i,j,k});
      |                             ^
books.cpp:30:29: warning: narrowing conversion of 'i' from 'long long int' to 'int' [-Wnarrowing]
books.cpp:30:31: warning: narrowing conversion of 'j' from 'long long int' to 'int' [-Wnarrowing]
   30 |                     answer({i,j,k});
      |                               ^
books.cpp:30:31: warning: narrowing conversion of 'j' from 'long long int' to 'int' [-Wnarrowing]
books.cpp:30:33: warning: narrowing conversion of 'k' from 'long long int' to 'int' [-Wnarrowing]
   30 |                     answer({i,j,k});
      |                                 ^
books.cpp:30:33: warning: narrowing conversion of 'k' from 'long long int' to 'int' [-Wnarrowing]
/usr/bin/ld: /tmp/cc9fPHgv.o: in function `main':
grader.cpp:(.text.startup+0x83): undefined reference to `solve(int, int, long long, int)'
collect2: error: ld returned 1 exit status