Submission #1254887

#	Time	Username	Problem	Language	Result	Execution time	Memory
1254887		Joon_Yorigami	Comparing Plants (IOI20_plants)	C++20	5 / 100	93 ms	5824 KiB

plants

#include "plants.h"
using namespace std;
using ll = long long;
using vll = vector<ll>;
using vint = vector<int>;
constexpr int maxn = 200'000;
bool k2check=false;
ll pref[maxn+5];
ll n;
void init(int k, std::vector<int> r) {
	k2check=true;
	n=r.size();
	if(k==2)
	{
		pref[0]=0;
		for(int i=0;i<n;i++)
		{
			pref[i+1]=pref[i]+r[i];
		}
	}
	return;
}

int compare_plants(int x, int y) {
	if(k2check)
	{
		if(pref[y]-pref[x]==0 || pref[n]-pref[y]+pref[x]==n-y+x)
			return 1;
		else if(pref[y]-pref[x]==y-x || pref[n]-pref[y]+pref[x]==0)
			return -1;
		else
			return 0;
	}
	return 0;
}

• Subtask 1: 5 / 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