제출 #1010752

#제출 시각아이디문제언어결과실행 시간메모리
1010752gaurezzz식물 비교 (IOI20_plants)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>

#define F first 
#define S second
#define ll long long
#define nd '\n'

using namespace std;

vector <int> prefix;
ll n=0;

void init (int k, vector <int> r){

    n = r.size();
    prefix.assign(n,0);

    prefix[0]=r[0];

    for (ll i=1; i<n; i++){

        prefix[i] = prefix[i-1] + r[i];
    }

    return;
}

int compare_plants(int x, int y){

    ll c = prefix[y-1];
    if (x != 0) c-=prefix[x-1];

    if (c == y-x) return -1;
    else if (c == 0) return 1;

    c = prefix[n-1] - prefix[y-1];
    c+= prefix[x-1];

    if (c == n-y+x) return 1;
    else if (c == 0) return -1;
    
    return 0;
}


int main (){

    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    init(2, {0,1,0,1});

    cout << compare_plants(0,3) << nd;
    cout << compare_plants(1, 3) << nd;

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccHY0aXY.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc1VuXZ0.o:plants.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status