Submission #919166

#	Time	Username	Problem	Language	Result	Execution time	Memory
919166		vjudge1	Inspections (NOI23_inspections)	C++17	0 / 100	1 ms	348 KiB

Main

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#include <bits/stdc++.h>

using namespace std;
const long int  base = 1e18;
int main()
{
    int n,m;
    cin>>n>>m;
    long long int a[n+1];
    long long int h[n+1];
    for(int i =1;i<=n;i++){
        cin>>a[i];
        h[i]=base;
    }
    vector<int> arr[n+1];
    for(int i =0;i<m;i++){
        int a,b;
        cin>>a>>b;
        arr[a].push_back(b);
        arr[b].push_back(a);
    }
    priority_queue<pair<long long int,int> , vector<pair<long long int,int>>, greater<pair<long long int,int>> > q;
    h[1]=0;
    q.push({0,1});
    while(!q.empty()){
        int u = q.top().second;
        long long int d = q.top().first;
        q.pop();
        if(d!=h[u])continue;
        for(int v : arr[u]){
            long long int ans = d;
            if(a[v]==a[u]){
                ans++;
            }else{
                ans+=abs(a[v]-a[u]);
            }
            if(ans>=h[v])continue;
            h[v]=ans;
            q.push({ans,v});
        }
    }
    cout<<h[n];
    
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 18
• Subtask 3: 0 / 22
• Subtask 4: 0 / 26
• Subtask 5: 0 / 23