Submission #580461

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
580461	2022-06-21 09:32:23	haojiandan	Stranded Far From Home (BOI22_island)	C++14	100 / 100	143 ms	33196 KiB

island

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// wygzgyw
#include <bits/stdc++.h>
using namespace std;
template <typename T> void read(T &t) {
  t=0; char ch=getchar(); int f=1;
  while (ch<'0'||ch>'9') { if (ch=='-') f=-1; ch=getchar(); }
  do { (t*=10)+=ch-'0'; ch=getchar(); } while ('0'<=ch&&ch<='9'); t*=f;
}
template <typename T> void write(T t) {
  if (t<0) { putchar('-'); write(-t); return; }
  if (t>9) write(t/10);
  putchar('0'+t%10);
}
template <typename T> void writeln(T t) { write(t); puts(""); }
#define MP make_pair
typedef long long ll;
const int maxn=(4e5)+10;
int n,m;
ll s[maxn],t[maxn];
vector<int> g[maxn];
struct node {
  int x,y;
  friend bool operator < (node A,node B) { return s[A.x]<s[B.x]; }
} E[maxn];
int fa[maxn],f[maxn],tot;
int find(int x) {
  if (fa[x]==x) return x;
  return fa[x]=find(fa[x]);
}
bool mk[maxn];
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35