Submission #1859561

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Source Code Expand

#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
	int n;
	cin >> n;
	int a[2n];
	for(int i=0;i<2n;i++)
	cin>>a[i];
	int s=0;
	sort(a,a+2n);
	for(int i=0;i<2n;i++)
	s=s+((a[i]>a[i+1])?a[i+1]:a[i]);
	cout << s;

}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:8: error: unable to find numeric literal operator ‘operator""n’
  int a[2n];
        ^
./Main.cpp:9:16: error: unable to find numeric literal operator ‘operator""n’
  for(int i=0;i<2n;i++)
                ^
./Main.cpp:10:7: error: ‘a’ was not declared in this scope
  cin>>a[i];
       ^
./Main.cpp:12:7: error: ‘a’ was not declared in this scope
  sort(a,a+2n);
       ^
./Main.cpp:12:11: error: unable to find numeric literal operator ‘operator""n’
  sort(a,a+2n);
           ^
./Main.cpp:13:16: error: unable to find numeric literal operator ‘operator""n’
  for(int i=0;i<2n;i++)
                ^