Задача 2

#include<stdio.h>
#include <cstdio>
#include <iostream>
using namespace std;
int main()
{
    int i = 0;
    char str[10];
    printf("Enter String : ");
    fgets(str,100,stdin);
    while (str[i] != '\0')
    {
        if (str[i] == 'a')
        {
            str[i] = '*';
        }
        i++;
    }
    printf("-------------------------------------");
    printf("\nString After Replacing 'a' by '*'");
    printf("\n-------------------------------------\n");
    printf("%s", str);
    system("pause");
    return 0;
}