Submission #695256

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
695256	2023-02-04 20:39:58	Farhan_HY	Railway (BOI17_railway)	C++14	0 / 100	221 ms	147076 KiB

railway

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#include <bits/stdc++.h>
#define int long long
#define float double
#define pb push_back
#define F first
#define S second
#define T int t; cin >> t; while(t--)
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
using namespace std;
/// Benzema is the best player in the world
const int N = 1e6 + 6;
const int M = 3e4 + 3;
const int mod = 1e9 + 7;
const int inf = 1e18;
const int dx[] = {-1, 1, 0, 0};
const int dy[] = {0, 0, -1, 1};
const int LOG = 28;
int n, m, k, timer, par[N], in[N], depth[N], sp[N][LOG];
vector<pair<int, int>> adj[N];
void getDepth(int node, int pa) {
    par[node] = pa;
    in[node] = ++timer;
    depth[node] = depth[pa] + 1;
    for(auto x: adj[node])
        if (x.F != pa) getDepth(x.F, node);
}
void buildsparce() {
 
 
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Compilation message (stderr)

railway.cpp: In function 'void dfs(long long int, long long int)':
railway.cpp:59:28: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   59 |         if (st[x.F].size() >= k)
      |             ~~~~~~~~~~~~~~~^~~~
railway.cpp: At global scope:
railway.cpp:70:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   70 | main() {
      | ^~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 15
• Subtask 3: 0 / 7
• Subtask 4: 0 / 29
• Subtask 5: 0 / 16
• Subtask 6: 0 / 25