Submission #1365904

#	Time	Username	Problem	Language	Result	Execution time	Memory
1365904		lucasdmy	A Difficult(y) Choice (BOI21_books)	C++20	Compilation error	0 ms	0 KiB

books

#include <bits/stdc++.h>
//#include "books.h"
using namespace std;
int skim(int x){
    cout<<x<<endl;
    int r;
    cin>>r;
    return r;
}
void answer(vector<int>r){
    for(int k=0;k<r.size();k++){
        cout<<r[k]<<' ';
    }
    exit(0);
}
void impossible(){
    cout<<"IMPOSSIBLE!"<<endl;
    exit(0);
}
void solve(int n, int books, long long int a, int s){
    vector<long long int>v(n+10);
    long long int sum=0;
    vector<int>resp;
    for(int k=1;k<books;k++){
        v[k]=skim(k);
        sum+=v[k];
        resp.push_back(k);
    }
    if(sum>a){
        impossible();
    }
    int p1=books, p2=n;
    while(p1<p2){
        int m=(p1+p2+1)/2;
        v[m]=skim(m);
        if(a<=v[m]+sum and v[m]+sum<=2*a){
            resp.push_back(m);
            answer(resp);
        }
        if(v[m]+sum<a){
            p1=m;
        }else{
            p2=m-1;
        }
    }
    resp.push_back(p1);
    sum+=v[p1];
    for(int k=p1-1;k>=p1-books+1;k--){
        int aux=skim(k);
        int idx=books-(p1-k);
        resp[idx-1]=k;
        sum+=aux-v[idx];
        if(sum>=a){
            answer(resp);
        }
    }
    impossible();
}
int main(){
    int n, m, s;
    long long int a;
    cin>>n>>m>>a>>s;
    solve(n, m, a, s);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc7V5yva.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/ccDgEzYU.o:books.cpp:(.text+0xd0): first defined here
/usr/bin/ld: /tmp/cc7V5yva.o: in function `impossible()':
grader.cpp:(.text+0x160): multiple definition of `impossible()'; /tmp/ccDgEzYU.o:books.cpp:(.text+0x170): first defined here
/usr/bin/ld: /tmp/cc7V5yva.o: in function `skim(int)':
grader.cpp:(.text+0x1a0): multiple definition of `skim(int)'; /tmp/ccDgEzYU.o:books.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/cc7V5yva.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccDgEzYU.o:books.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status