Submission #521724

#	Time	Username	Problem	Language	Result	Execution time	Memory
521724		A_D	Comparing Plants (IOI20_plants)	C++14	5 / 100	70 ms	8004 KiB

plants

#include "plants.h"

#include <bits/stdc++.h>
using namespace std;
const int NN=2e5+100;
int pre[NN];
int nn;

void init(int k,vector<int> r){
    nn=r.size();
    for(int i=1;i<=nn;i++){
        pre[i]=pre[i-1]+r[i-1];
    }
}

int compare_plants(int x, int y){
    x++;y++;
	if(pre[y-1]-pre[x-1]==0)return 1;
	if(pre[y-1]-pre[x-1]==y-x)return -1;
	if(pre[x-1]+pre[nn]-pre[y-1]==0){
        return -1;
	}
    if(pre[x-1]+pre[nn]-pre[y-1]==x-1+nn-y+1){
        return 1;
	}
    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