Submission #847133

#	Time	Username	Problem	Language	Result	Execution time	Memory
847133		errorgorn	Security Guard (JOI23_guard)	C++17	0 / 100	57 ms	15044 KiB

guard

    #include <bits/stdc++.h>
    using namespace std;
     
    #define int long long
    #define ll long long
    #define ii pair<int,int>
    #define iii tuple<int,int,int>
    #define fi first
    #define se second
    #define endl '\n'
    #define debug(x) cout << #x << ": " << x << endl
     
    #define pub push_back
    #define pob pop_back
    #define puf push_front
    #define pof pop_front
    #define lb lower_bound
    #define ub upper_bound
     
    #define rep(x,start,end) for(int x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
    #define all(x) (x).begin(),(x).end()
    #define sz(x) (int)(x).size()
     
    mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
     
    int n,m,k;
    int arr[200005];
    vector<int> al[200005];
     
    signed main(){
    	ios::sync_with_stdio(0);
    	cin.tie(0);
    	cout.tie(0);
    	cin.exceptions(ios::badbit | ios::failbit);
    	
    	cin>>n>>m>>k;
    	rep(x,1,n+1) cin>>arr[x];
    	
    	int ans=0;
    	rep(x,0,m){
    		int a,b; cin>>a>>b;
    		al[a].pub(b);
    		al[b].pub(a);
    		
    		ans+=min(arr[a],arr[b]);
    	}
    	
    	vector<int> v;
    	rep(x,1,n+1){
    		ii mn=ii(1e9,-1);
    		for (auto it:al[x]){
    			mn=min(mn,ii(arr[it],it));
    		}
    		if (ii(arr[x],x)<mn) ans+=mn.fi-arr[x];
    		else v.pub(arr[x]);
    	}
    	
    	sort(all(v));
    	//for (auto it:v) cout<<it<<" "; cout<<endl;
    	
    	cout<<ans+(v.back()-v.front())<<endl;
    }

• Subtask 1: 0 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 12
• Subtask 4: 0 / 13
• Subtask 5: 0 / 8
• Subtask 6: 0 / 18
• Subtask 7: 0 / 24