OJ Board

Thanks for your reply.

I'm using C to submit a problem. I get Presentation Error if I use "%I64d" as a format specifier to print a variable of type "long long" . just like below: long long a = 10; printf("%I64d", a); But I get AC if I use "%lld" instead of "%I64d". What is...

thnx a lot . got AC

please help. why WA??? #include<stdio.h> #include<string.h> #include<stdlib.h> int main() { char num[2][11]; int carry, ans, sumOfDigits, bigNumI, smallNumI, bigNumDigits, smallNumDigits, tmp; scanf("%s %s", num[0], num[1]); while(!(atoi(num[1]) == 0 && atoi(num[0]) == 0)){ carry =...

thnx

#include<stdio.h> int main() { char ch; int whitespace = 1, count = 0; while( ( ch = getchar() ) != EOF){ if(whitespace && ( ( 'a' <= ch && ch <='z') || ( 'A' <= ch && ch <='Z'))){ count++; whitespace = 0; } else if( ch == ' ' || ch =='\t' ){ whitespace = 1; } else if ( ch =...