C++

With while loop: // Write a program that input your ATM password from the user and check // if entered password is valid or not. // If password is valid, display the messege: "Welcome to the Bank". // Otherwise program ask to re-enter password 3 times // If user enters the correct password, say: "Welcome to the bank". // Otherwise display the messege: "Sorry your card is Captured". #include < iostream > using namespace std ; int main () {     int pin = 1234 ;     int password ;     cout << " Enter your password: " ;     cin >> password ;     int i = 1 ;     while ( password != pin && i < 3 )     {         cout << " Invalid Input \n" ;         cout << " Re-enter your password: " ;         cin >> password ;         i ++ ;     }     if ( password == pin ) ...

  // Write a program that input a number from the user and displays next five number and square of those five numbers. #include < iostream > using namespace std ; int main () {     int num ;     cout << " Enter a number: " ;     cin >> num ;     int i = num + 1 ;     while ( i <= ( num + 5 ))     {         cout << i << " and square of " << i << " is: " << i * i << endl ;         i ++ ;     }     return 0 ; }

  #include < iostream > using namespace std ; int search_array ( string x [], int y , string z ); int main () {     string cars[] = { " corvette " , " mustang " , " bugatti " , " mitsubishi " , " ferarri " , " honda " , " picanto " };     string input ;     int size = sizeof ( cars ) / sizeof ( string );     cout << " Enter the name of car you wanna search: " ;     cin >> input ;     int index = search_array ( cars , size , input );     if ( index != - 1 )     {         cout << input << " is at index: " << index << " ie at position: " << index + 1 << endl ;     }     else     {         cout << input << " is not present in the array \n" ;     }         return 0 ; } int search_array ( string x ...

  #include < iostream > using namespace std ; int inum ( string x ); bool isprime ( int x ); int main () {     int start = inum ( " Enter the starting number: " ), end = inum ( " Enter the ending number: " );     cout << " The prime numbers between " << start << " and " << end << " are: " << endl ;     while ( start <= end )     {         if ( isprime ( start ))         {             cout << start << ' ' ;         }         start ++ ;     }     return 0 ; } int inum ( string x ) {     int y ;     cout << x ;     cin >> y ;     return y ; } bool isprime ( int x ) {     int y = 0 ;     for ( int i = 1 ; i <= x ; i ++ )     {   ...

  // Write a program in C++ to find the perfect numbers between starting and ending range using user defined functions. // The perfect numbers between 1 to 500 are: // 6 // 28 // 496 #include < iostream > using namespace std ; int inum ( string x ); bool isPerect_number ( int x ); void Perfect_number_range ( int x , int y ); int main () {     int start = inum ( " Enter starting number of range: " ),         end = inum ( " Enter the ending number of range: " );     Perfect_number_range ( start , end );     return 0 ; } int inum ( string x ) {     int y ;     cout << x ;     cin >> y ;     return y ; } bool isPerect_number ( int x ) {     int y = 0 ;     for ( int i = 1 ; i < x ; i ++ )     {         if ( x % i == 0 )         {             ...

// Write a program that takes three numbers as inputand determines if they form an arithmetic progression. // If they do, check if the common difference is positive or negative. // Display appropriate messages for each case. #include < iostream > using namespace std ; int inum ( string x ); bool isAr_Progression ( int x , int y , int z ); int common_difference ( int x , int y , int z ); bool isPositive ( int x ); int main () {     int num1 = inum ( " Enter first number: " ),         num2 = inum ( " Enter second number: " ),         num3 = inum ( " Enter third number: " );     if ( isAr_Progression ( num1 , num2 , num3 ))     {         if ( isPositive ( common_difference ( num1 , num2 , num3 )))         {             cout << num1 << " , " << num2 << " , and " << num3 << "...

// Write a program that takes a number as input and checks if it's a multiple of 7. // If it's a multiple of 7, check if it's divisible by 3. // If it's divisible by 3, display a message stating both conditions are satisfied #include < iostream > using namespace std ; int inum ( string x ); bool isMultipleof7 ( int x ); bool isDivby3 ( int x ); int main () {     int num = inum ( " Enter a number: " );     if ( isMultipleof7 ( num ))     {         if ( isDivby3 ( num ))         {             cout << num << " is multiple of 7 and is divisible by 3 \n" ;             cout << " Both conditions are satisfied \n" ;         }         else         {             cout << num << " is multiple of 7 but is not divisible by 3 \n"...

  // Write a program that takes two integers as inputand determines if their sum is positive, negative, orzero. // If it's positive, check if it's divisible by 4. // If it'sdivisible by 4, display a message stating bothconditions are satisfied. #include < iostream > using namespace std ; int inum ( string x ); int sum ( int x , int y ); bool isZero ( int x ); bool isPositive ( int x ); bool isDiv4 ( int x ); int main () {     int num = inum ( " Enter a number: " );     if ( isZero ( num ))     {         cout << num << " is Zero \n" ;     }     else     {         if ( isPositive ( num ))         {             if ( isDiv4 ( num ))             {                 cout << num << " is Positive and divisible by 4 \n" ...

  // Write a program that takes a character as input andchecks if it's an uppercase letter, // lowercase letter,digit, or special character. If it's a letter, check if it'sa vowel or a consonant. // Display appropriatemessages for each case. #include < iostream > using namespace std ; template < typename T > T inum ( string x ); void char_type ( char x ); bool isVowel ( char x ); int main () {     char character = inum < char >( " Enter a character: " );     char_type ( character );     return 0 ; } template < typename T > T inum ( string x ) {     T y ;     cout << x ;     cin >> y ;     return y ; } void char_type ( char x ) {     switch ( x )     {     case ' A ' ... ' Z ' :         if ( isVowel ( x ))         {             cout << x <...

  // Write a program that takes two integers as inputand determines if their product is positive,negative, or zero. // If it's negative, check if it'sdivisible by 9. // If it's divisible by 9, display amessage stating both conditions are satisfied #include < iostream > using namespace std ; int inum ( string x ); int product ( int x , int y ); bool isDivby9 ( int x ); int main () {     int num1 = inum ( " Enter first number: " ),         num2 = inum ( " Enter second number: " );     if ( product ( num1 , num2 ) >= 0 )     {         cout << " Product of " << num1 << " and " << num2 << " is: " << product ( num1 , num2 ) << endl ;     }     else if ( product ( num1 , num2 ) < 0 )     {         cout << " Product of " << num1 << " and " << num2 ...