Submission #632088

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
632088	2022-08-19 12:16:24	4123xr4323	Thousands Islands (IOI22_islands)	C++17	22.75 / 100	1081 ms	530480 KiB

islands

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#include <bits/stdc++.h>
#define mp make_pair
#define all(a) a.begin(),a.end()
#define X first
#define Y second
using namespace std;
using pii = pair <long long, long long>;
constexpr int maxn = 2e5 + 10;
constexpr int mod = 1000002022;
constexpr long long inf = 1e17 + 10;
 
int n, m;
vector <pii> graph [maxn];
vector <int> start = {};
int ver = -1;
int ans[4];
inline void dfs (int v, int par = -1) {
    int sz = (int) graph[v].size ();
    if (par > -1) --sz;
    if (sz <= 1) {
        for (pii i : graph[v]) if ((i.Y ^ 1) != par) {
            start.push_back (i.Y);
            dfs (i.X, i.Y);
            return;
        }
        return;
    }
    ver = 0;
    ans[0] = graph[v][0].Y;
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 1.75 / 5
• Subtask 3: 21 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45