Modul 3.12

#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    char input[100];
    int pilihan, kounter, ganti;
    cout<<"Masukan kalimat = ";
    cin.getline(input, 100);
    cout<<"Menu Pilihan\n";
    cout<<"1. Sentense Case\n";
    cout<<"2. UpperCase\n";
    cout<<"3. Lower Case\n";
    cout<<"4. Capitalize Each First Letter\n";
    cout<<"Masukan Pilihan Anda = ";
    cin>>pilihan;
    switch(pilihan){
    case 1:
        strupr(input);
        for(kounter=0; input[kounter]!='\0'; kounter++){
            if(input[kounter]==' '){
               strlwr(input);
            }
            cout<<input[kounter];
        }
        break;
    case 2:
        cout<<strupr(input);
        break;
    case 3:
        cout<<strlwr(input);
        break;
    case 4:
        if(input[0]>='a' && input[0]<='z'){
            ganti=int(input[0])-32;
            input[0]=char(ganti);
        }
        for(kounter=1; input[kounter]!='\0'; kounter++){
            if(input[kounter]==' '){
                ganti=int(input[kounter+1])-32;
                input[kounter+1]=char(ganti);
            }
        }
        cout<<input;
        break;
    }
}