REPLACE LAST OCCURENCE

• 
  Write a C program to replace last occurrence of a character with another in a given string
  
  The Input is as follows:
  1. The string input
  2. The character to be replaced in the input string
  3. The NEW Character to be replaced in the input string

• CODING ARENA

• #include <stdio.h>

  int main()

  {

    char str[100],c,n;

    int i,index;

    index=-1;

    scanf("%s%s",str,&c);

    getchar();

    scanf("%s",&n);

    for(i=0;i!=' ';i++)

    {

      if(str[i]==c)

      {

        index=i;

      }

    }

    if(index!=-1)

    {

      str[index]=n;

    }

    printf("%s",str);

      

  
  

  return 0;

  }

• Test Case 1

  
  Input (stdin)

  srasrasra
  
  a
  
  m
  
  

  Expected Output

  srasrasrm

• Test Case 2

  
  Input (stdin)

  University
  
  i
  
  s
  
  

  Expected Output

  Universsty