Submission #1321320

#	Time	Username	Problem	Language	Result	Execution time	Memory
1321320		jahinahnaf	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	0 ms	336 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> s) {
	int n = s.size();
	if (n == 2){
		if (s[0] == -1) return 0;
	}
	else{
		int count = 0;
		for (int i = 0; i < n; i++){
			if (i % 2 == 0 && s[i] != -1) count++;
			else if (i % 2 == 1 && s[i] != 1) count++;
		}
		return count;
	}
	return 1;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15