제출 #477284

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
477284		Tsiannis	Traffic (IOI10_traffic)	C++17	컴파일 에러	0 ms	0 KiB

traffic

#include<bits/stdc++.h>
using namespace std;
#define INF 100000000000
typedef long long ll;
int main()
{
    ll N;
    cin>>N;
    ll sum=0;
    ll P[N],D[N],S[N],pre[N];
    for (int i=0;i<N;i++)
    {
    cin>>P[i];
    sum+=P[i];
    pre[i]=sum;
    }
    for (int i=0;i<N-1;i++)
    {
        cin>>S[i]>>D[i];
    }
    ll mn=INF;
    ll index;
    ll d=sum/2;
    for (int i=0;i<N;i++)
    {
        ll d=(sum-P[i])/2;
        if (abs(pre[i]-d-P[i])<mn)
        {
            mn=abs(pre[i]-d-P[i]);
            index=i;
        }
    }
    cout<<index<<endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

traffic.cpp: In function 'int main()':
traffic.cpp:23:8: warning: unused variable 'd' [-Wunused-variable]
   23 |     ll d=sum/2;
      |        ^
/usr/bin/ld: /tmp/cc5Ys0gb.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccHHHF1c.o:traffic.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc5Ys0gb.o: in function `main':
grader.cpp:(.text.startup+0xe1): undefined reference to `LocateCentre(int, int*, int*, int*)'
collect2: error: ld returned 1 exit status