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Question

Find the ordering in running times of following programs
(i)main(){
int i,j,l;
char str[]="Hello";
l=strlen(str);
for(i=0;i<l;i++) printf("%c",str[i]);}
(ii)main(){
int i,j,l;
char str[]="Hello";
for(i=0;i<strlen(str);i++) printf("%c",str[i]);}
(iii)main(){
int i,j,l;
char str[]="Hello";
l=strlen(str);
for(i=l-1;i>0;i--) printf("%c",str[l-i-1]);}



Options:
A .  T(i)=T(iii)
B .  T(i)
C .  T(i)=T(ii)=T(iii)
D .  T(iii)
Answer: Option B



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