제출 #434570

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
434570		medmdg	전선 연결 (IOI17_wiring)	C++14	컴파일 에러	0 ms	0 KiB

wiring

#include<bits/stdc++.h>
//#include "wiring.h"
#define ll  long long
using namespace std;
long long min_total_length(std::vector<int> r, std::vector<int> b) {
        ll c=0;
        ll x=0,y=10000000000;
        for(int i=0;i<r.size();i++){
            x=max(x,(ll)(r[i]));
            c-=r[i];
        }
        c-=max((ll)(0),((ll)(b.size())-(ll)(r.size()))*x);
        for(int i=0;i<b.size();i++){
            y=min(y,(ll)(b[i]));
            c+=b[i];
        }
        c+=max((ll)(0),((ll)(r.size())-(ll)(b.size()))*y);
        return c;
}
int main(){
    ll r,b;
    freopen("inp.txt","r",stdin);
    cin>>r>>b;
    vector<int> ra(r),ba(b);
    for(int i=0;i<r;i++)
        cin>>ra[i];
    for(int i=0;i<b;i++){
    cin>>ba[i];
    }
    cout<<min_total_length(ra,ba)<<endl;
}

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:8:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |         for(int i=0;i<r.size();i++){
      |                     ~^~~~~~~~~
wiring.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++){
      |                     ~^~~~~~~~~
wiring.cpp: In function 'int main()':
wiring.cpp:22:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     freopen("inp.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccCIClbV.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccoT4tuX.o:wiring.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status