Codeforces 58A Chat room Solution in C

1. #include<stdio.h>
2. #include<string.h>
3. int main()
4. {
5. int i,n,l=0;
6. char a[120];
7. scanf("%s",a);
8. n=strlen(a);
9. for (i=0;i<n;i++)
10. {
11. if (a[i]=='h' && l==0) l++;
12. else if (a[i]=='e' && l==1) l++;
13. else if (a[i]=='l' && l==2) l++;
14. else if (a[i]=='l' && l==3) l++;
15. else if (a[i]=='o' && l==4) l++;
16. if (l==5) break;
17. }
18. if (l==5) printf("YES\n");
19. else printf("NO\n");
20. return 0;
21. }