Submission #419141

#	Time	Username	Problem	Language	Result	Execution time	Memory
419141		qwerasdfzxcl	Comparing Plants (IOI20_plants)	C++14	5 / 100	101 ms	4972 KiB

plants

#include "plants.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int n, S[200200];

void init(int k, vector<int> r) {
    n = r.size();
	S[0] = r[0];
	for (int i=1;i<(int)r.size();i++) S[i] = S[i-1]+r[i];
}

int compare_plants(int x, int y) {
    int v, w, l, m;
    bool chk = x>y;
    if (x>y) swap(x, y);
    v = S[y-1] - (x?S[x-1]:0), l = y-x;
    w = S[n-1]-v, m = n-l;
    if (chk) swap(v, w), swap(l, m);
    if (!v || w==m) return 1;
    if (v==l || !w) 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