Submission #795405

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
795405	2023-07-27 09:08:07	Sami_Massah	LOSTIKS (INOI20_lostiks)	C++17	0 / 100	76 ms	62164 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e6 + 12, lg = 21;
int n, st, en, h[maxn], pe[maxn], par[maxn][lg], kn[maxn], U[maxn], V[maxn];
vector <int> k[maxn], conn[maxn];
vector <int> pos, path, p1, p2, qe, d;
bitset <maxn> marked;
void dfs_set(int u){
    marked[u] = 1;
    for(int i = 0; i + 1 < lg; i++)
        par[u][i + 1] = par[par[u][i]][i];
    for(int e: conn[u]){
        int v = u ^ U[e] ^ V[e];
      //  cout << v << endl;
        if(!marked[v]){
    //        cout << u << "->" << v << endl;
            h[v] = h[u] + 1;
            par[v][0] = u;
            pe[v] = e;
            dfs_set(v);
        }
    }
}
int kpar(int u, int k){
    for(int i = 0; i < k; i++)
        if((k >> i) & 1)
 
 
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Compilation message (stderr)

Main.cpp: In function 'std::pair<int, int> get_path(int, int)':
Main.cpp:67:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |     for(int i = 0; i < p2.size(); i++)
      |                    ~~^~~~~~~~~~~
Main.cpp:50:9: warning: unused variable 'res' [-Wunused-variable]
   50 |     int res = 0;
      |         ^~~

• Subtask 1: 0 / 23
• Subtask 2: 0 / 36
• Subtask 3: 0 / 41