Submission #580846

#	Time	Username	Problem	Language	Result	Execution time	Memory
580846		joelau	Comparing Plants (IOI20_plants)	C++14	0 / 100	1 ms	340 KiB

plants

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

int N,ans[200005];
vector<int> tmp;

void init(int k, vector<int> r) {
	N = r.size();
	for (int i = 0; i < N; ++i) {
		tmp.clear();
		for (int j = 0; j < N; ++j) if (r[j] == 0) tmp.push_back(j);
		int n = tmp[0];
		for (int j = 1; j < tmp.size(); ++j) if (tmp[j]-tmp[j-1] >= k) n = tmp[j];
		ans[n] = N-i;
		tmp[n] = 2e9;
		for (int j = 1; j < k; ++j) tmp[(n-j+N)%N]--;
	}
}

int compare_plants(int x, int y) {
	return ans[x] > ans[y] ? 1 : -1;
}

Compilation message (stderr)

plants.cpp: In function 'void init(int, std::vector<int>)':
plants.cpp:14:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |   for (int j = 1; j < tmp.size(); ++j) if (tmp[j]-tmp[j-1] >= k) n = tmp[j];
      |                   ~~^~~~~~~~~~~~

• 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