What is the error?

#1

#include
#include
#include
using namespace std;
int main() {
//cout<<“Enter the no of elements:”;
int n;
cin>>n;
int a[10];
//cout<<“Enter the element you want sum of:”;
sort(a,a+n);
//for(int i=0;i<n;i++)
//{
// int k;
// cin>>k;
// a[i]=k;
//}
int sum;
cin>>sum;
vector b;

for(int i=0;i<n;i++)
{
int sub=sum-a[i];
for(int k=0;k<n;k++)
{
if(a[k]==sub)
{
// cout<<a[i]<<"and "<<“sub:”<<sub<<endl;
b.push_back(a[i]);
break;
}

}

}

for(int i=0;i<b.size()/2;i++)
{
cout<<b[i]<<" and "<<sum-b[i]<<endl;
}

}

#2

hey @manseerat,actually you have never taken array as an input.take array input then sort it .still faces problem copy your code in https://ide.codingblocks.com/ and save it and send me the link so that i can see it see it clearly.

#3

#include
#include
#include
using namespace std;
int main() {

//cout<<“Enter the no of elements:”;
int n;
cin>>n;
int a[1000];
//cout<<“Enter the element you want sum of:”;
sort(a,a+n);
for(int i=0;i<n;i++)
{
int k;
cin>>k;
a[i]=k;
}
int sum;
cin>>sum;
vector b;

for(int i=0;i<n;i++)
{
int sub=sum-a[i];
for(int k=0;k<n;k++)
{
if(a[k]==sub)
{
// cout<<a[i]<<"and "<<“sub:”<<sub<<endl;
b.push_back(a[i]);
break;
}

}

}

for(int i=0;i<b.size()/2;i++)
{
cout<<b[i]<<" and "<<sum-b[i]<<endl;
}
}

#4

hey @manseerat i have updated your code a little bit and commented IMP parts please look into it for hrlp (https://ide.codingblocks.com/s/180849)

#5

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