Submission #789817

#	Time	Username	Problem	Language	Result	Execution time	Memory
789817		ezzzay	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	15 ms	3116 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> s) {
	int k=0;
	for(int i=0;i<s.size();i++){
	    if(s[i]<0)k+=i;
	}
	return k;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:5:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |  for(int i=0;i<s.size();i++){
      |              ~^~~~~~~~~

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