Submission #311554

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
311554	2020-10-10 16:09:01	hoangtung_pro	Railway (BOI17_railway)	C++14	100 / 100	278 ms	48400 KiB

railway

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#include<bits/stdc++.h>
#define endl '\n'
#define fi first
#define se second
#define pb push_back
#define bit(s, i) (s & (1<<i))
using namespace std;
const int maxn = 1e5 + 5;
const int mod = 1e9+7;
typedef long long ll;
typedef pair < int, int > ii;
int n, m, k;
vector < ii > adj[maxn];
vector < int > child[maxn];
bool vis[maxn];
int h[maxn];
int id[maxn];
int p[maxn][20];
void ht(int v)
{
    vis[v] = true;
    for(ii u : adj[v])
 
 
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Compilation message (stderr)

railway.cpp: In function 'void cal(int)':
railway.cpp:75:24: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   75 |     if(query[v].size() >= k) res.pb(id[v]);
      |        ~~~~~~~~~~~~~~~~^~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25