제출 #865415

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
865415		Alebn	A Difficult(y) Choice (BOI21_books)	C++14	컴파일 에러	0 ms	0 KiB

books

#include <iostream>
#include <vector>

#define ll long long

using namespace std;

vector<int> a = {1, 2, 3, 9, 10, 11, 12, 12, 12, 12, 12};
void impossible() {
    cout << "Hi\n";
}
void answer(vector<int> b) {
    for(int i = 0; i < b.size(); i++) cout << b[i] << "\n";
}
ll skim(int i) {
    return a[i-1];
}

void solve(int n, int k, ll A, int S) {
    vector<ll> a(n);
    bool ok = false;
    ll sum = 0;
    int mid = -1;
    for(int i = 0; i < n; i++) {
        a[i] = skim(i+1);
        if(a[i] >= A && mid == -1) mid = i; 
    }
    for(int i = 0; i < k-1; i++) sum+=a[i];
    mid = min(mid, k);
    for(int i = mid; i > k-2; i--) {
        if(sum+a[i] >= A && sum+a[i] <= 2*A) {
            vector<int> b(k);
            for(int j = 0; j < k-1; j++) b[j] = j+1;
            b[k-1] = i+1;
            answer(b);
            return;
            ok = true;
        }
    }
    if(!ok) impossible();
}

int main() {
    solve(10, 4, 10, 10);
}

컴파일 시 표준 에러 (stderr) 메시지

books.cpp: In function 'void answer(std::vector<int>)':
books.cpp:13:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i = 0; i < b.size(); i++) cout << b[i] << "\n";
      |                    ~~^~~~~~~~~~
/usr/bin/ld: /tmp/ccxvj26h.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/ccfwazei.o:books.cpp:(.text+0x20): first defined here
/usr/bin/ld: /tmp/ccxvj26h.o: in function `impossible()':
grader.cpp:(.text+0x160): multiple definition of `impossible()'; /tmp/ccfwazei.o:books.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccxvj26h.o: in function `skim(int)':
grader.cpp:(.text+0x1a0): multiple definition of `skim(int)'; /tmp/ccfwazei.o:books.cpp:(.text+0x90): first defined here
/usr/bin/ld: /tmp/ccxvj26h.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccfwazei.o:books.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status