D - type checking problem?
- Andrew Edwards (27/27) Jan 16 2003 The following yields incorrect result when characters are inputed instea...
- J C Calvarese (28/62) Jan 16 2003 If you change "guess" to a float, I think it works as expected.
The following yields incorrect result when characters are inputed instead of
integers.
import stream;
int main()
{
const int answer = 10;
int guess;
printf("Pick a number: ");
scanf("%d", &guess);
if(answer == guess)
{
printf("Answer = %d.", guess);
}
else if(answer > guess)
{
printf("Answer > guess.");
}
else if(answer < guess)
{
printf("Answer < guess.");
}
else
{
printf("That wasn't a number.");
}
return 0;
}
Jan 16 2003
If you change "guess" to a float, I think it works as expected.
Apparently, integers default to 0 when a non-number is given. Try this:
import stream;
int main()
{
const int answer = 10;
float guess;
printf("Pick a number: ");
scanf("%f", &guess);
if(answer == guess)
{
printf("Answer = %f.", guess);
}
else if(answer > guess)
{
printf("Answer > guess.");
}
else if(answer < guess)
{
printf("Answer < guess.");
}
else
{
printf("That wasn't a number.");
}
return 0;
}
Andrew Edwards wrote:
The following yields incorrect result when characters are inputed instead of
integers.
import stream;
int main()
{
const int answer = 10;
int guess;
printf("Pick a number: ");
scanf("%d", &guess);
if(answer == guess)
{
printf("Answer = %d.", guess);
}
else if(answer > guess)
{
printf("Answer > guess.");
}
else if(answer < guess)
{
printf("Answer < guess.");
}
else
{
printf("That wasn't a number.");
}
return 0;
}
Jan 16 2003








J C Calvarese <jcc-47 excite.com>