phép toán quan hệ logic

#include <stdio.h>

int main()
{
    int a, b, temp;

    printf("\n Nhap a, b: ");
    scanf("%d %d",&a,&b);

    temp = (a==b);
    printf("\n %d==%d co gia tri %d",a,b,temp);

    temp = (a!=b);
    printf("\n %d!=%d co gia tri %d",a,b,temp);

    temp = (a>b);
    printf("\n %d>%d co gia tri %d",a,b,temp);

    temp = (a>=b);
    printf("\n %d>=%d co gia tri %d",a,b,temp);

    temp = (a<b);
    printf("\n %d<%d co gia tri %d",a,b,temp);

    temp = (a<=b);
    printf("\n %d<=%d co gia tri %d",a,b,temp);

    temp = (a<0 && b<0);
    printf("\n %d<0 && %d<0 co gia tri %d",a,b,temp);

    temp = (a<0 || b<0);
    printf("\n %d<0 || %d<0 co gia tri %d",a,b,temp);

    temp = !(a<b);
    printf("\n !(%d<%d) co gia tri %d",a,b,temp);

    return 0;
}