Submission #1294295

#	Time	Username	Problem	Language	Result	Execution time	Memory
1294295		chaitanyamehta	Airplane (NOI23_airplane)	C++20	0 / 100	131 ms	19172 KiB

Main

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

#define int long long
vector<vector<pair<int ,int>>> g;

signed main(){
    int n ,m;
    cin>>n>>m;
    vector<int> a(n + 1);
    for(int i =1;i<=n;i++)cin>>a[i];
    g.resize(n+1);
    vector<pair<int , int>> edge(m);
    int ans=0;
    for(int i =0;i<m;i++){
        int u,v , c;
        cin>>u>>v;
        c = max(1LL , abs(a[u] - a[v]));
        g[u].push_back({v , c});
        g[v].push_back({u , c});
        edge[i] = {u , v};
    }
    sort(edge.begin() , edge.end());
    for(int i = 0 ; i < m;i++){
        int u = edge[i].first , v = edge[i].second;
        int c = max(1LL , abs(a[u] - a[v]));
        // cout << u << " " << v << " " << c << "\n";
        ans += c;
    }   
    cout<<ans;
}

• Subtask 1: 0 / 22
• Subtask 2: 0 / 10
• Subtask 3: 0 / 31
• Subtask 4: 0 / 37