Solution of 1

#include <bits/stdc++.h>
using namespace std;

int main()
{
    int i, j, k, sz;
    string str;
    cout<<"Enter a string : ";
    cin>>str;
    sz = str.size();
    for(i = 0; i < sz; i++)
    {
        if(str[i] >= 'a' && str[i] <= 'z')
        {
            char ch;
            ch = str[i] - 'a' + 'A';
            str[i] = ch;
        }
    }
    sort(str.begin(), str.end());
    cout<<"The expected string : "<<str<<endl;
}