Submission #418194

#	Time	Username	Problem	Language	Result	Execution time	Memory
418194		Aderfish	Arranging Shoes (IOI19_shoes)	C++14	25 / 100	30 ms	3092 KiB

shoes

#include "shoes.h"

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

        return swaps;
    }

	return 0;
}

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