Submission #758986

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
758986	2023-06-15 16:20:23	ymm	Stranded Far From Home (BOI22_island)	C++17	100 / 100	249 ms	41128 KiB

island

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#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;
const int N = 200'010;
vector<int> A0[N], A[N];
int val[N];
pii srt[N];
int n, m;
namespace dsu {
  int par[N];
  void init(int n) { fill(par, par+n, -1); }
  int rt(int v) { return par[v] == -1? v: (par[v] = rt(par[v])); }
  bool unite(int v, int u) {
    v = rt(v);
    u = rt(u);
    if (v == u)
      return 0;
    par[u] = v;
    return 1;
  }
}
ll sum[N];
void dfs_sum(int v)
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35