Submission #601207

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
601207	2022-07-21 13:09:12	MilosMilutinovic	분수 공원 (IOI21_parks)	C++17	5 / 100	613 ms	38108 KiB

parks

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/**
 *    author:  wxhtzdy
 *    created: 21.07.2022 14:34:57
**/
/* 
  First idea was 2SAT having verteces (road, direction), but there always exist constructive idea...
  https://oj.uz/submission/437652 
*/
#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
const int dx[] = {2, 0, -2, 0};
const int dy[] = {0, 2, 0, -2};
class dsu {
  public:
  vector<int> p;
  int n;
  dsu(int _n) : n(_n) {
    p.resize(n);
    iota(p.begin(), p.end(), 0);
  }
  inline int get(int x) {
    return (x == p[x] ? x : (p[x] = get(p[x])));
  }
  inline bool unite(int x, int y) {
    x = get(x);
    y = get(y);
 
 
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Compilation message (stderr)

parks.cpp: In lambda function:
parks.cpp:63:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   63 |       b.push_back(y[i] + y[j] >> 1);
parks.cpp:70:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   70 |       a.push_back(x[i] + x[j] >> 1);

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30