Answer:
#include<stdio.h>
void triad(char* genome){
char *k; k = genome + 7; //Skips first 7 nucleotides
int i = 0;
for (i=0;i<4;i++){
printf("%c%c%c\n",k[0],k[1],k[2]);
k+=3;
}
}
int main(){
char str[80] = "agcttacagctattagctagcttagagacc"; //Sample input string. Change this string for diff inputs
triad(str);
return 0;
}