- Write the reverse string() function for the given code below.
(Hint: use strlen() function which gives the length of a string.)
| #include<stdio.h> #include<string.h> void reverse_string(char str[]);int main(){ char str_arr[100];printf(Enter a string:); scanf(%s, str_arr); reverse_string(str_arr);printf(Reversed string is: %s , str_arr);return 0;} |
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- Write print line(), print histogram() and len() functions for the given code below. printline() : Prints <int num of chars> times <char c> character. printhistogram() : Prints a histogram of <int values[]> with <char c> using print print line() and len() functions. len() : Returns the length of <int array[]>.
| #include<stdio.h> void print_line(char c, int num_of_chars); void print_histogram(char c, int vals[]); int len(int arr[]);int main(){ int values[100], val=1, count=0; printf(Enter positive integer(s), to print anhistogram. Enter a non-positive integer to stop. ); do{ printf(Enter a value:); scanf(%d, &val); values[count] = val; count++; }while(val > 0); print_histogram(*, values); return 0;} |
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Sample:
Enter positive integer(s), to print an histogram. Enter a non-positive integer to stop.
Enter a value: 3
Enter a value: 5
Enter a value: 6
Enter a value: 2 Enter a value: -1
Output: ***
*****
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**
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