Submission #920947

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
920947	2024-02-03 08:17:37	simuyu	Monthly railway pass (LMIO18_menesinis_bilietas)	C++14	6 / 100	718 ms	88300 KiB

menesinis_bilietas

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>
using namespace std;
#define ll long long
#define f first
#define s second
vector<set<long> > adjs; // note that will have to findSet each of these.
class UFDS
{
    public:
    vector<long> parent, sizes;
    long num_sets;
    UFDS(long n) {
        for (long i=0; i<n; i++) {
            parent.push_back(i);
        }
        for (long i=0; i<n; i++) {
            sizes.push_back(1);
        }
        num_sets = n;
    }
    long findSet(long i) {
        if (parent[i] == i) return i;
        vector<long> elems; // path compression
        while (parent[i] != i) {
            elems.push_back(i);
            i = parent[i];
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

menesinis_bilietas.cpp: In member function 'long int UFDS::findSet(long int)':
menesinis_bilietas.cpp:31:29: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for (long idx=0; idx<elems.size(); idx++) {
      |                          ~~~^~~~~~~~~~~~~
menesinis_bilietas.cpp: In function 'int main()':
menesinis_bilietas.cpp:138:22: warning: comparison of integer expressions of different signedness: 'std::set<long int>::size_type' {aka 'long unsigned int'} and 'long int' [-Wsign-compare]
  138 |         if (s.size() == ufds.num_sets-1) {
      |                      ^

• Subtask 1: 0 / 10
• Subtask 2: 6 / 6
• Subtask 3: 0 / 30
• Subtask 4: 0 / 35
• Subtask 5: 0 / 19