| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1271980 | soab | Airplane (NOI23_airplane) | C++20 | 44 ms | 13020 KiB |
// soab
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define nl '\n'
void io() {
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
}
const int maxn = 2 * 1e5 + 1;
int n, m, a[maxn];
vector<int> g[2 * maxn];
signed main() {
io();
cin >> n >> m;
for(int i = 1; i <= n; i++) {
cin >> a[i];
}
for(int i = 0; i < m; i++) {
int x, y; cin >> x >> y;
g[x].push_back(y);
g[y].push_back(x);
}
int ans = 0;
for(int i = 1; i <= n; i++) {
ans = max(ans, a[i]);
}
cout << 2 * ans;
return 0;
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