Submission #884447

#	Time	Username	Problem	Language	Result	Execution time	Memory
884447		tamir1	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	20 ms	3164 KiB

shoes

#include "shoes.h"
using namespace std;

long long count_swaps(vector<int> s) {
	int i,j,n=s.size()/2;
	long long sum=0;
	for(i=0;i<n;i++) sum+=i;
	return sum;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:5:8: warning: unused variable 'j' [-Wunused-variable]
    5 |  int i,j,n=s.size()/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