Here are the solution of [Hello World in C Hacker Rank Solution] https://www.chase2learn.com/hello-world-in-c-hacker-rank-solution/

include

include

include

include

int main() { char s[100]; scanf(" %[^\n]%c ", &s); printf("Hello, World!\n"); printf(s); return 0; }

include

include

include

include

int main() { char s[100]; scanf("%[^\n]%c", &s); printf("Hello, World!\n"); printf(s); return 0; }

include

include

include

include

int main() {

char s[100];
scanf("%[^\n]%*c", &s); // why is there a pointer (*c) here please?
printf("Hello, World!\n%s", s);
/* Enter your code here. Read input from STDIN. Print output to STDOUT */    
return 0;

}

include

include

include

include

int main() {

char s[100];
scanf("%[^\n]%*c", &s);
printf("Hello, World!\n");
    printf("%s",s);
return 0;
/* Enter your code here. Read input from STDIN. Print output to STDOUT */    
return 0;

}