Submission #332203

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
332203	2020-12-01 16:24:13	vitkishloh228	Evacuation plan (IZhO18_plan)	C++14	100 / 100	1546 ms	70620 KiB

plan

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#include<iostream>
#include<vector>
#include<algorithm>
#include<set>
#define int long long
using namespace std;
int logn = 20;
vector<vector<int>> t;
vector<int> p, sz;
int getp(int v) {
    if (p[v] == v) return v;
    return p[v] = getp(p[v]);
}
void unite(int a, int b) {
    int a0 = a;
    a = getp(a);
    b = getp(b);
    if (a != b) {
        t[a].push_back(b);
        t[b].push_back(a);
        p[a] = b;
        //sz[a] += sz[b];
    }
}
vector<int> tin, tout;
int timer = 0;
vector<vector<int>> up;
void dfs(int v, int p = -1) {
    tin[v] = timer++;
    for (int i = 1; i < logn; ++i) {
 
 
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Compilation message (stderr)

plan.cpp: In function 'void unite(long long int, long long int)':
plan.cpp:15:9: warning: unused variable 'a0' [-Wunused-variable]
   15 |     int a0 = a;
      |         ^~

• Subtask 1: 10 / 10
• Subtask 2: 13 / 13
• Subtask 3: 12 / 12
• Subtask 4: 19 / 19
• Subtask 5: 46 / 46