# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
632081 | TimDee | Thousands Islands (IOI22_islands) | C++17 | 36 ms | 12140 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
int n,m;
vector<int> u,v;
vector<int> vis(1e5+3,0);
vector<int> par(1e5+3,-1);
vector<vector<int>> adj(1e5+3,vector<int>(0));
int cycpt=-1;
vector<int> cyc;
int color=1;
void dfs(int u) {
if (vis[u]==color) {cycpt=u; return;}
else if (vis[u]) return;
vis[u]=color;
for (auto v:adj[u]) {
dfs(v);
if (cycpt!=-1) {
cyc.push_back(u);
return;
}
++color;
Compilation message (stderr)
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