Trying Floyd triangle but its give addition 3 in my code help me for figure out

Question

int main(){
int no;
cin>>no;
int i ;
int j,k;

for (i = 1; i <=no; i++)
{
for (j = 0; j<i; j++)
{
cout<<i+j;
for (k = 1; k<j;k++)
{
cout<<i+j+k;
}

}
cout<<endl;
}
}

Output:
1
23
3456

Answer 1

#include <iostream>
using namespace std;

int main() {

int rows, i, j, num= 1;
cout<<"Enter number of rows: \n";
cin >> rows;
for(i=1; i <= rows; i++) {
for(j=1; j <= i; ++j) {
cout << num;
++num;
}
cout <<endl;
}

return 0;
}

Use this instead