Submission #170341

#	Time	Username	Problem	Language	Result	Execution time	Memory
170341		ngmh	Reversing a Sequence (IOI16_reverse)	C++11	100 / 100	50 ms	5996 KiB

reverse

#include "reverse.h"
#include <vector>
#include <algorithm>

std::vector<long long> reverse (std::vector<long long> a) {
    for(int i = 0; i < a.size()/2; i++){
        long long temp = a[i];
        a[i] = a[a.size()-i-1];
        a[a.size()-i-1] = temp;
    }
    return a;
}

Compilation message (stderr)

reverse.cpp: In function 'std::vector<long long int> reverse(std::vector<long long int>)':
reverse.cpp:6:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < a.size()/2; i++){
                    ~~^~~~~~~~~~~~

• Subtask 1: 100 / 100