# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1142752 | VMaksimoski008 | Port Facility (JOI17_port_facility) | C++20 | 6096 ms | 40260 KiB |
#include <bits/stdc++.h>
#define ar array
//#define int long long
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int mod = 1e9 + 7;
const ll inf = 1e18;
const int maxn = 1e6 + 5;
bool ok = 1;
int col[maxn];
vector<int> G[maxn];
void dfs(int u, int c=1) {
col[u] = c;
for(int v : G[u]) {
if(col[v] == col[u]) ok = 0;
if(!col[v]) dfs(v, 3 - c);
}
}
signed main() {
ios_base::sync_with_stdio(false);
cout.tie(0); cin.tie(0);
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