oj.uz

Submission #847123

# Submission time Handle Problem Language Result Execution time Memory
847123 2023-09-09T07:37:25 Z errorgorn Security Guard (JOI23_guard) C++17
0 / 100
 50 ms 15884 KB 
#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]);
	}
	
	rep(x,1,n+1){
		int mx=arr[x];
		for (auto it:al[x]) mx=max(mx,arr[it]);
		ans+=mx-arr[x];
	}
	
	cout<<ans<<endl;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 49 ms 15884 KB Output is correct
3 Correct 49 ms 15792 KB Output is correct
4 Incorrect 50 ms 15848 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 49 ms 15884 KB Output is correct
3 Correct 49 ms 15792 KB Output is correct
4 Incorrect 50 ms 15848 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 49 ms 15884 KB Output is correct
3 Correct 49 ms 15792 KB Output is correct
4 Incorrect 50 ms 15848 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 49 ms 15884 KB Output is correct
3 Correct 49 ms 15792 KB Output is correct
4 Incorrect 50 ms 15848 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Incorrect 1 ms 4956 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Incorrect 1 ms 4956 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 49 ms 15884 KB Output is correct
3 Correct 49 ms 15792 KB Output is correct
4 Incorrect 50 ms 15848 KB Output isn't correct
5 Halted 0 ms 0 KB -