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답안 #864100

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
864100 2023-10-22T03:43:43 Z Ice_man Truck Driver (IOI23_deliveries) C++17
컴파일 오류
 0 ms 0 KB 
#include <deliveries.h>
#include <iostream>
#include <vector>

#define maxn 100005
#define maxq 300005
#define INF 1000000010
#define endl '\n'

using namespace std;

long long n;

long long t[maxn];
long long c[maxn];

vector <pair <long long , long long> > v[maxn];
long long ans;

long long pom;

void dfs(long long node , long long parent = -1)
{
    c[node] = t[node];

    for(long long i = 0; i < (long long)v[node].size(); i++)
    {
        if(v[node][i].first == parent) continue;
        dfs(v[node][i].first , node);

        ans += v[node][i].second * min(c[v[node][i].first] , pom - c[v[node][i].first]);
        c[node] += c[v[node][i].first];
    }

}

void init(long long N , vector <long long> U , vector <long long> V, vector <long long> W, vector <long long> T)
{

    n = N;
    for(long long i = 0; i < (long long)U.size(); i++) v[U[i]].push_back({V[i] , W[i]});
    for(long long i = 0; i < (long long)V.size(); i++) v[V[i]].push_back({U[i] , W[i]});

    for(long long i = 0; i < n; i++) pom += t[i];



    for(long long i = 0; i < n; i++) t[i] = T[i];
}



long long max_time(long long S , long long X)
{
    pom -= t[S];

    t[S] = X;
    pom += t[S];
    ans = 0;

    dfs(0);
    return ans;

}

Compilation message

/usr/bin/ld: /tmp/ccjFUUYQ.o: in function `main':
grader.cpp:(.text.startup+0x3f6): undefined reference to `init(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
/usr/bin/ld: grader.cpp:(.text.startup+0x4c7): undefined reference to `max_time(int, int)'
collect2: error: ld returned 1 exit status