Submission #144706

#	Time	Username	Problem	Language	Result	Execution time	Memory
144706		AASG	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	30 ms	1912 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> s) {
    if(s[0]<1 && s.size()==1)return 0;
    else if(s[0]>1 && s.size()==1) return 1;
    long long a;
    a=s.size()/2;
     return ((a)*(a-1))/2;
}

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