제출 #829410

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
829410	2023-08-18 10:23:22	QwertyPi	Stranded Far From Home (BOI22_island)	C++14	100 / 100	338 ms	72420 KiB

island

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("Ofast")
#define int long long
using namespace std;
const int N = 2e5 + 11;
const int LGN = 20;
int a[N], p[N];
struct edge{
  int u, v;
};
struct DSU{
    int dsu[N];
    void init(int n){
        for(int i = 0; i <= n; i++) dsu[i] = i;
    }
    int f(int x){ return dsu[x] == x ? x : dsu[x] = f(dsu[x]); }
    void g(int x, int y){ x = f(x); y = f(y); dsu[x] = y; }
    bool sa(int x, int y){ return f(x) == f(y); }
} dsu;
vector<int> G[N];
int st[N], bl[LGN][N];
void add_edge(int u, int v){
  G[v].push_back(u);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

island.cpp: In function 'int32_t main()':
island.cpp:66:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   66 |  for(auto [u, v] : E){
      |           ^

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35