Submission #336846

#	Time	Username	Problem	Language	Result	Execution time	Memory
336846		israeladewuyi	Reversing a Sequence (IOI16_reverse)	C++17	Compilation error	0 ms	0 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){
	int n = v.size();
	int s = 0, e = n - 1;
	
	while(start < end){
		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:16:8: error: 'start' was not declared in this scope
   16 |  while(start < end){
      |        ^~~~~