Submission #1297285

#	Time	Username	Problem	Language	Result	Execution time	Memory
1297285		the_commando_x	Reversing a Sequence (IOI16_reverse)	C++20	100 / 100	20 ms	3988 KiB

reverse

#include "reverse.h"

std::vector<long long> reverse(std::vector<long long> a)
{
	long long l = 0, r = a.size() - 1;
	while (l < r)
	{
		std::swap(a[l], a[r]);
		++l;
		--r;
	}

	return a;
}

Compilation message (stderr)

reverse.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
reverse_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 100 / 100