Submission #906442

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
906442	2024-01-14 09:55:57	pcc	Monthly railway pass (LMIO18_menesinis_bilietas)	C++14	100 / 100	639 ms	116064 KiB

menesinis_bilietas

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>
const int mxn = 5e5+10;
vector<pii> edges;
int N,M;
bitset<mxn> able;
int dsu[mxn],sz[mxn];
unordered_set<int> paths[mxn];
int root(int k){
  return k == dsu[k]?k:dsu[k] = root(dsu[k]);
}
void onion(int a,int b){
  a = root(a),b = root(b);
  if(a == b)return;
  if(sz[a]<sz[b])swap(a,b);
  dsu[b] = a;
  sz[a] += sz[b];
  return;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

menesinis_bilietas.cpp: In function 'int main()':
menesinis_bilietas.cpp:57:24: warning: comparison of integer expressions of different signedness: 'std::unordered_set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   57 |   if(paths[i].size()+1 == gcnt)able[i] = true;
      |      ~~~~~~~~~~~~~~~~~~^~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 6 / 6
• Subtask 3: 30 / 30
• Subtask 4: 35 / 35
• Subtask 5: 19 / 19