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#include <iostream>
#include <iomanip>
#include <cctype>
#include <string>
using namespace std;
const int MaxChar = 81;
int CountWords(char string[MaxChar]);
int CountConst(char string[MaxChar]);
void JumbleString(char string[MaxChar],int length);
int main()
{
int choice = 0;
char string[MaxChar];
char string2[MaxChar];
char string3[MaxChar];
int start = 0, numofwords, numofconst;
cout << "Enter a string: ";
cin.getline(string, MaxChar, '\n');
const int length = strlen(string);
int end = length - 1;
string3[length] = '\0';
while (choice != 9)
{
cout << "USETHIS MENU TO MANIPULATE YOUR STRING" << endl
<< "--------------------------------------" << endl
<< "1) Inverse String"<<endl
<< "2) Reverse string" << endl
<< "3) To uprercase" << endl
<< "4) Jumble string" << endl
<< "5) Count number words" << endl
<< "6) Count constants" << endl
<< "7) Enter different string" << endl
<< "8) print the string" << endl
<< "9) Quit"<<endl;
cin >> choice;
switch (choice)
{
case 1:
start = 0;
while (string[start] != '\0')
{
if (islower(string[start]))
{
string[start] = toupper(string[start]);
}
else if (isupper(string[start]))
{
string[start] = tolower(string[start]);
}
start++;
}
cout << "the string is inversed" << endl;
break;
case 2:
start = 0;
for (; start != length; start++)
{
string2[start] = string[end];
end = end - 1;
}
string2[length] = '\0';
strcpy_s(string, string2);
cout << "the string is reversed" << endl;
break;
case 3:
start = 0;
for (; string[start] != '\0'; start++)
{
string[start] = toupper(string[start]);
}
cout << "the string is changed to uppercase" << endl;
break;
case 4:
JumbleString(string,length);
break;
case 5:
numofwords = CountWords(string);
cout << "the number of words is " << numofwords << endl;
break;
case 6:
numofconst = CountConst(string);
cout << "the number of constants is " << numofconst << endl;
break;
case 7:
cout << "the other string is: ";
cin >>string3;
int l;
l =strlen(string3);
string3[l] = '\0';
strcpy_s(string, string3);
break;
case 8:
cout << "the string is: " << string << endl;
break;
}
}
return 0;
}
int CountWords(char string[MaxChar])
{
int numofwords = 0;
int start = 0;
for (; string[start] != '\0'; start++)
{
if (isspace(string[start+1])&&!isspace(string[start]))
{
numofwords++;
}
}
if (string[0] != ' ')
{
numofwords++;
}
return numofwords;
}
int CountConst(char string[MaxChar])
{
int numofconst = 0;
int start = 0, end = strlen(string) - 1;
for (; string[start] != '\0'; start++)
{
if (tolower(string[start]) == 'b'
|| tolower(string[start]) == 'd'
|| tolower(string[start]) == 'c'
|| tolower(string[start]) == 'd'
|| tolower(string[start]) == 'f'
|| tolower(string[start]) == 'g'
|| tolower(string[start]) == 'h'
|| tolower(string[start]) == 'j'
|| tolower(string[start]) == 'k'
|| tolower(string[start]) == 'l'
|| tolower(string[start]) == 'm'
|| tolower(string[start]) == 'n'
|| tolower(string[start]) == 'p'
|| tolower(string[start]) == 'q'
|| tolower(string[start]) == 'r'
|| tolower(string[start]) == 's'
|| tolower(string[start]) == 't'
|| tolower(string[start]) == 'v'
|| tolower(string[start]) == 'w'
|| tolower(string[start]) == 'x'
|| tolower(string[start]) == 'y'
|| tolower(string[start]) == 'z')
{
numofconst += 1;
}
}
return numofconst;
}
void JumbleString(char string[MaxChar],int length)
{
char stringj[MaxChar];
stringj[length] = '\0';
int value[MaxChar]; //array to store the random numbers in
value[length] = '\0';
srand(time(NULL));
int i = 0, j = 0;
bool check; //variable to check or number is already used
int n; //variable to store the number in
//generate random numbers:
for (; i<length; i++)
{
do{
n = rand() % length;
//check or number is already used:
check = true;
for (j=0; j < length; j++)
{
if (n == value[j]) //if number is already used
{
check = false; //set check to false
break; //no need to check the other elements of value[]
}
}
} while (!check); //loop until new, unique number is found
value[i] = n; //store the generated number in the array
stringj[i] = string[n];
}
cout << "the jumbled string is: " << stringj << endl;
}
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