Submission #336848

#	Time	Username	Problem	Language	Result	Execution time	Memory
336848		israeladewuyi	Reversing a Sequence (IOI16_reverse)	C++17	100 / 100	42 ms	5880 KiB

reverse

#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<ll> vi;
typedef vector<string> vs;
#define PB push_back
#define pb pop_back
const unsigned int M = 1000000007;


vi reverse(vi v){
	ll n = v.size();
	ll s = 0, e = n - 1;
	reverse(v.begin(), v.end());
//	while(s < e){
//		int temp = v[s];
//		v[s] = v[e];
//		v[e] = temp;
//		s++;
//		e--;
//	}
	return v;
}

Compilation message (stderr)

reverse.cpp: In function 'vi reverse(vi)':
reverse.cpp:14:5: warning: unused variable 's' [-Wunused-variable]
   14 |  ll s = 0, e = n - 1;
      |     ^
reverse.cpp:14:12: warning: unused variable 'e' [-Wunused-variable]
   14 |  ll s = 0, e = n - 1;
      |            ^

• Subtask 1: 100 / 100