Submission #137651

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
137651	2019-07-28 08:15:58	mechfrog88	Min-max tree (BOI18_minmaxtree)	C++14	0 / 100	1074 ms	52504 KiB

minmaxtree

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#pragma GCC optimize("unroll-loops,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
 
using namespace __gnu_pbds;
using namespace std;
 
template <typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
 
typedef long long ll;
typedef long double ld;
vector <ll> euler;
vector <ll> height;
vector <ll> ind;
vector <ll> parent;
vector <vector<pair<ll,ll>>> st;
vector <vector<ll>> graph;
ll n;
void dfs(ll v = 1, ll p = 0,ll h = 1){
    euler.push_back(v);
    ind[v] = euler.size()-1;
    parent[v] = p;
    height[v] = h;
    for (int z=0;z<graph[v].size();z++){
        if (graph[v][z] == p) continue;
 
 
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Compilation message (stderr)

minmaxtree.cpp: In function 'void dfs(ll, ll, ll)':
minmaxtree.cpp:29:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int z=0;z<graph[v].size();z++){
                  ~^~~~~~~~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 22
• Subtask 3: 0 / 29
• Subtask 4: 0 / 42