Program 1

#include<stdio.h>
int main()
{
    printf("Techno%sMindz%s");
    getchar();
    return 0;
}



Program 2

#include<stdio.h>
int main()
{  
    puts("Techno%sMindz%s");  
    getchar();
    return 0;
}


Program 3

#include<stdio.h>
int main()
{
int c;
printf("Techno %nMindz ", &c);
printf("%d",c);
getchar();
return 0;
}