Submission #863487

#	Time	Username	Problem	Language	Result	Execution time	Memory
863487		Ahmed_Solyman	A Difficult(y) Choice (BOI21_books)	C++14	Compilation error	0 ms	0 KiB

books

#include <bits/stdc++.h>

#include "grader.cpp"

using namespace std;
typedef long long ll;
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
//     books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
//     g++ books_sample.cpp sample_grader.cpp
// in this folder.
//

void solve(int n, int k, long long a, int s) {
    // TODO implement this function
    vector<ll>v;
    for(int i=1;i<=n;i++){
        v.push_back(skim(i));
    }
    for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
            ll sum=v[i]+v[j];
            int z=upper_bound(v.begin(),v.end(),a*2LL-sum)-v.begin();
            z--;
            while(z==i || z==j)k--;
            if(z<0 || v[i]+v[j]+v[z]<a){
                continue;
            }
            answer({i+1,j+1,k+1});
            return;
        }
    }
    impossible();
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccsP3gTK.o: in function `safely_read_int()':
grader.cpp:(.text+0x0): multiple definition of `safely_read_int()'; /tmp/ccYCWuoH.o:books.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccsP3gTK.o: in function `safely_read_ll()':
grader.cpp:(.text+0x50): multiple definition of `safely_read_ll()'; /tmp/ccYCWuoH.o:books.cpp:(.text+0x50): first defined here
/usr/bin/ld: /tmp/ccsP3gTK.o: in function `answer(std::vector<int, std::allocator<int> >)':
grader.cpp:(.text+0xa0): multiple definition of `answer(std::vector<int, std::allocator<int> >)'; /tmp/ccYCWuoH.o:books.cpp:(.text+0xa0): first defined here
/usr/bin/ld: /tmp/ccsP3gTK.o: in function `impossible()':
grader.cpp:(.text+0x160): multiple definition of `impossible()'; /tmp/ccYCWuoH.o:books.cpp:(.text+0x160): first defined here
/usr/bin/ld: /tmp/ccsP3gTK.o: in function `skim(int)':
grader.cpp:(.text+0x1a0): multiple definition of `skim(int)'; /tmp/ccYCWuoH.o:books.cpp:(.text+0x1a0): first defined here
/usr/bin/ld: /tmp/ccsP3gTK.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccYCWuoH.o:books.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status