Submission #1052837

#	Time	Username	Problem	Language	Result	Execution time	Memory
1052837		vjudge1	Jobs (BOI24_jobs)	C++17	11 / 100	58 ms	30548 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define vll vector<ll>
#define all(x) begin(x),end(x)
#define pb push_back
const int N=3e5+10;
ll pro[N],deg[N],mx[N];
vll ma[N];
void dfs(int x,int p=-1)
{
    mx[x]=pro[x];
    for(auto y:ma[x])
    {
        dfs(y,x);
        mx[x]+=mx[y];
    }
    if(mx[x]<0)
        mx[x]=0;
}
void solve()
{
    ll n,s;
    cin>>n>>s;
    pro[0]=0;
    for(int i=1;i<=n;i++)
    {
        ll p;
        cin>>pro[i]>>p;        
        deg[i]++;
        ma[p].pb(i);
    }
    dfs(0);
    cout<<mx[0]<<endl;
}

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

• Subtask 1: 11 / 11
• Subtask 2: 0 / 14
• Subtask 3: 0 / 15
• Subtask 4: 0 / 29
• Subtask 5: 0 / 31