Submission #438072

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
438072	2021-06-27 13:44:33	CyanForces	Keys (IOI21_keys)	C++17	100 / 100	1885 ms	269212 KiB

keys

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#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define debug(...) //ignore
typedef long long ll;
typedef pair<int, int> pii;
typedef long double ld;
typedef vector<int> vi;
std::vector<int> find_reachable(std::vector<int> r, std::vector<int> u, std::vector<int> v, std::vector<int> c) {
  int n = sz(r);
  debug(debugging::PRINT_STRUCT_NAME = false);
  struct info {
    unordered_map<int,vi> locked_edges; // edges per color
    vi unlocked_edges;
    unordered_set<int> colors;
    vi nodes;
    int leader = -1;
  };
  vi where(n);
  vector<info> comp(n);
  rep(i,0,n) comp[i].leader = where[i] = i;
 
 
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Compilation message (stderr)

keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:84:8: warning: variable 'deb' set but not used [-Wunused-but-set-variable]
   84 |   auto deb = [&](){
      |        ^~~

• Subtask 1: 9 / 9
• Subtask 2: 11 / 11
• Subtask 3: 17 / 17
• Subtask 4: 30 / 30
• Subtask 5: 33 / 33