제출 #774730

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
774730		Tony1234	전선 연결 (IOI17_wiring)	C++17	컴파일 에러	0 ms	0 KiB

wiring

#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define pb push_back
#define vt vector
#define vi vector<int>
#define vll vector<ll>
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define ub upper_bound
#define lb lower_bound


const int inf = (int)2e9, mod = (int)1e9 + 7, mx = (int)2e5 + 10;
const ll infll = (ll)7e18;

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
long long min_total_length(std::vector<int> r, std::vector<int> b){
    sort(r.begin(), r.end()); sort(b.begin(), b.end());
    ll sum = 0;
    for(int i = 0; i < min((int)r.size(), (int)b.size()); i++)sum += b[i] - r[i];
    if(r.size() > b.size()){
        for(int i = b.size(); i < r.size(); i++)sum += b[0] - r[i]; 
    }else{
        for(int i = r.size(); i < b.size(); i++)sum += b[i] - r.back(); 
    }
    return sum;
}
void solve(){

}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:32:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         for(int i = b.size(); i < r.size(); i++)sum += b[0] - r[i];
      |                               ~~^~~~~~~~~~
wiring.cpp:34:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         for(int i = r.size(); i < b.size(); i++)sum += b[i] - r.back();
      |                               ~~^~~~~~~~~~
/usr/bin/ld: /tmp/ccMFBmQo.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccByxB2m.o:wiring.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status