Submission #435883

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
435883	2021-06-23 21:14:15	Enkognit	Keys (IOI21_keys)	C++17	100 / 100	1769 ms	74144 KiB

keys

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#include <bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pb push_back
#define all(v) v.begin(),v.end()
#define fi first
#define se second
#define pll pair<ll,ll>
#define pii pair<int,int>
#define y1 Enkognit
using namespace std;
ll n, m, k, col[300001];
vector<pll> c[300001];
struct dsu
{
    ll d[300001];
    void make_sets(int h)
    {
        for (int i = 0; i < h; i++)
            d[i]=i;
    }
    ll find_set(int h)
    {
        if (h==d[h]) return h; else return d[h]=find_set(d[h]);
    }
 
 
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Compilation message (stderr)

keys.cpp: In function 'void add(int)':
keys.cpp:77:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   77 |     for (int i = 0; i < c[h].size(); i++)
      |                     ~~^~~~~~~~~~~~~
keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:194:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  194 |         for (int j = 0; j < merg.size(); j++)
      |                         ~~^~~~~~~~~~~~~
keys.cpp:206:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  206 |     for (int i = 0; i < comp.size(); i++)
      |                     ~~^~~~~~~~~~~~~
keys.cpp:212:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  212 |     for (int i = 0; i < comp.size(); i++)
      |                     ~~^~~~~~~~~~~~~
keys.cpp:213:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  213 |         if (mn==comp[i].size())
      |             ~~^~~~~~~~~~~~~~~~
keys.cpp:215:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  215 |             for (int j = 0; j < comp[i].size(); j++)
      |                             ~~^~~~~~~~~~~~~~~~
keys.cpp:212:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  212 |     for (int i = 0; i < comp.size(); i++)
      |     ^~~
keys.cpp:219:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  219 |  return ans;
      |  ^~~~~~

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