easiest way is to use the condition- for(i=0;s[i]!='�';i++) {

How to convert lowercase letters to uppercase and uppercase letters to lowercase in a string. (ex, AbcdEfG should convert as aBCDeFg)

Question Posted / agrawal_vivek

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Answer Posted / agrawal_vivek

easiest way is to use the condition-

for(i=0;s[i]!='';i++)
{
if(s[i]>=65 && s[i]<=90) //Caps ASCII-65-90(60+32=97-----90+32=122)
s[i]=s[i]+32;

if(s[i]>=97 && s[i]<=122) // Small ASCII-97-122(97-32=65-----122-32=90)
s[i]=s[i]-32;
}

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