Submission #933204

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
933204	2024-02-25 09:05:13	Erfan1386Y	Joker (BOI20_joker)	C++17	100 / 100	229 ms	13004 KiB

Joker

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#include <bits/stdc++.h>
#define file_io freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define fast_io ios::sync_with_stdio(false);cin.tie(0);
#define what(x) cerr << #x << " is " << x << '\n';
#define kill(x) {cout << x << endl; continue;}
#define all(x) (x).begin(), (x).end()
#define pii pair<int, int>
#define pb push_back
#define ll long long
#define F first
#define S second
const ll inf = 1e18, mod = 1e9 + 7, delta = 1e9 + 9, SQ = 450, P = 6065621;
 
using namespace std;
const int N = 2e5 + 10, LG = 40;
int par[N], sz[N], col[N], cnt, L, R, ans[N];
vector<pii> st;
pii edges[N];
int root (int &v) {
  int res = 0;
  while (par[v] != v) 
    res ^= col[v], v = par[v];
  return res;
}
void mrg (pii e) {
  auto [v, u] = e;
  int r1 = root(v) , r2 = root(u);
  if (v == u) {
 
 
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Compilation message (stderr)

Joker.cpp: In function 'void solve(int, int, int, int)':
Joker.cpp:60:20: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   60 |   while (st.size() > save) undo();
      |          ~~~~~~~~~~^~~~~~
Joker.cpp:64:20: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   64 |   while (st.size() > save) undo();
      |          ~~~~~~~~~~^~~~~~
Joker.cpp:68:20: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   68 |   while (st.size() > save) undo();
      |          ~~~~~~~~~~^~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 8 / 8
• Subtask 3: 25 / 25
• Subtask 4: 10 / 10
• Subtask 5: 22 / 22
• Subtask 6: 29 / 29