Submission #592462

#	Time	Username	Problem	Language	Result	Execution time	Memory
592462		BT21tata	Tropical Garden (IOI11_garden)	C++17	0 / 100	4 ms	3924 KiB

garden

#include "garden.h"
#include "gardenlib.h"
#include <bits/stdc++.h>
using namespace std;

vector<int>g[150005];
map<int,int>mp;

void dfs(int v, int par, int cnt, int P)
{
    if(v==P)
    {
        mp[cnt]++;
        return;
    }
    if(g[v].size()==1 or g[v][0]!=par)
        dfs(g[v][0], v, cnt+1, P);
    else dfs(g[v][1], v, cnt+1, P);
}

void count_routes(int n, int m, int P, int r[][2], int q, int G[])
{
    for(int i=0; i<m; i++)
    {
        g[r[i][0]].push_back(r[i][1]);
        g[r[i][1]].push_back(r[i][0]);
    }
    for(int i=0; i<n; i++)
        dfs(i, -1, 0, P);

    for(int i=0; i<q; i++)
        answer(mp[G[i]]);
}

• Subtask 1: 0 / 49
• Subtask 2: 0 / 20
• Subtask 3: 0 / 31