Submission #307936

#	Time	Username	Problem	Language	Result	Execution time	Memory
307936		AKaan37	Comparing Plants (IOI20_plants)	C++17	0 / 100	10 ms	12160 KiB

plants

#include "plants.h"
//Bismillahirrahmanirrahim

#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define endl "\n"
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=0;i<n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo inf = 1000000000000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

int m,b[li],a[li],flag,t,siz[li],say,vis[li],dep[li];
int cev;
string s;
vector<int> v[li];

inline void dfs(int node,int der){
	if(vis[node])return;
	vis[node]=say;
	dep[node]=der;
	for(int i=0;i<(int)v[node].size();i++){
		int go=v[node][i];
		dfs(go,der+1);
	}
}

void init(int k, std::vector<int> r) {
	for(int i=0;i<(int)r.size();i++){
		if(r[i]==1){
			v[i].pb((i+1)%(int)r.size());
			siz[(i+1)%(int)r.size()]++;
		}
	}
	//~ queue<int>
	int n=(int)r.size();
	FOR{
		if(siz[i]==0){
			say++;
			dfs(i,0);
		}
	}
}

int compare_plants(int x, int y) {
	if(vis[x]!=vis[y])return 0;
	if(dep[x]<dep[y])return -1;
	return 1;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 14
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
• Subtask 6: 0 / 15
• Subtask 7: 0 / 25