why can't i get the correct ans?Code:#include <stdio.h> int main() { int num1,num2,num3; printf("Enter 3 intergers:"); scanf("%d", &num1); scanf("%d", &num2); scanf("%d", &num3); if( num1 == num2 == num3 ) printf("Equal!!"); else printf("Not Equal!!"); system("pause"); return 0; }
[QUOTE=amoeba532;987150]the conditional statement is not correct. num1==num2==num3 is the same as: (num1==num2)==num3. (num1==num2) return 0 or 1 for true or false. Whatever (num1==num2) return will be compared with num3. So in effect, you're not comparing num1, num2 and num3 together. You should not group all conditional test together.Code:#include <stdio.h> int main() { int num1,num2,num3; printf("Enter 3 intergers:"); scanf("%d", &num1); scanf("%d", &num2); scanf("%d", &num3); if( num1 == num2 == num3 ) printf("Equal!!"); else printf("Not Equal!!"); system("pause"); return 0; }
okk.thx nimitzhunter
Originally Posted by amoeba532
Learn how to use "and," by reading this: http://www.cprogramming.com/tutorial/lesson2.html
Then learn how to rock "?:" and then learn how to scan for 3 ints without writing 3 lines.
Here you go, chew on this and see if you can learn more.
Short, sweet and to the point.Code:#include <stdio.h> int main(void){ int one, two, three; printf("Enter 3 ints seperated by spaces:"); scanf("%d %d %d", &one, &two, &three); ((one == two) && (two == three)) ? printf("Equal\n") : printf("Not Equal\n"); return 0; }
edited: gave main a return value.
Last edited by tenchu; 12-03-2010 at 12:30 AM.
Some compiler may protest "void main()". Standard practice is "int main()"
True, but I was keeping the example short and sweet with a focus on the question/point about comparison operators. I edited the original in case it causes confusion.
Last edited by tenchu; 12-03-2010 at 12:30 AM.
If you really want to use the ternary operator, I suggest:
But if you want to have two separate printf or puts statements, then I would consider the if and else branches to be clearer as using the ternary operator then looks like obfuscation to me.Code:#include <stdio.h> int main(void) { int one, two, three; printf("Enter 3 ints seperated by spaces:"); scanf("%d %d %d", &one, &two, &three); puts((one == two && two == three) ? "Equal" : "Not Equal"); return 0; }
Look up a C++ Reference and learn How To Ask Questions The Smart Way
That looks more clear, nice catch!
