제출 #667392

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
667392		someone	A Difficult(y) Choice (BOI21_books)	C++14	컴파일 에러	0 ms	0 KiB

books

//#include "books.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
 
const int MAXN = 2e5 + 42;
 
int nb = 0, book[MAXN];

int skim(int i) {
    nb++;
    cout << i << ' ' << book[i] << '\n';
    return book[i];
}

void answer(vector<int> v) {
    cout << "answer :";
    for(int i : v)
        cout << ' ' << i;
}

void impossible() {
    cout << "impossible";
}

ll val[MAXN];
 
ll get(int i) {
    if(val[i] == 0)
        val[i] = skim(i);
    return val[i];
}
 
void solve(int N, int K, ll A, int S) {
    for(int i = 1; i <= N; i++)
        get(i);
    vector<int> ans;
    ll sum = 0;
    for(int i = 1; i <= K; i++)
        sum += val[i];
    int last = K;
    for(int i = K; i <= N; i++) {
        last = i;
        if(i == N || sum + val[i+1] - val[K] > 2*A)
            i = N+1;
    }
    for(int i = K; i > 0; i--) {
        if(sum + val[last + i - K] - val[i] <= 2*A) {
            sum += val[last + i - K] - val[i];
            ans.push_back(last + i - K);
        }
        if(sum >= A) {
            for(int j = 1; j < i; j++)
                ans.push_back(j);
            answer(ans);
            return;
        }
    }
    
    impossible();
}

signed main() {
    int N, K, A, S;
    cin >> N >> K >> A >> S;
    for(int i = 1; i <= N; i++)
        cin >> book[i];
    solve(N, K, A, S);
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/cc1wqsBf.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/cczOLlwg.o:books.cpp:(.text+0xa0): first defined here
/usr/bin/ld: /tmp/cc1wqsBf.o: in function `impossible()':
grader.cpp:(.text+0x160): multiple definition of `impossible()'; /tmp/cczOLlwg.o:books.cpp:(.text+0x150): first defined here
/usr/bin/ld: /tmp/cc1wqsBf.o: in function `skim(int)':
grader.cpp:(.text+0x1a0): multiple definition of `skim(int)'; /tmp/cczOLlwg.o:books.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/cc1wqsBf.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cczOLlwg.o:books.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status