aula if

# include <stdio.h>
int main (void)
{
    int num;

    printf("informe um numero: ");
    scanf("%d", &num);

    if(num==5){
        printf("%d == 5\n", num);
    }
    if (num < 5){
        printf("%d < 5\n", num);
    }
    if (num <= 5){
        printf("%d <= 5 \n", num);
    }
    if(num > 5){
        printf("%d > 5\n", num);
    }
    if (num >= 5){
        printf("%d >= 5\n", num);
    }
    if (num != 5){
        printf("%d != 5\n", num);
    }
    if (num !=5 && num !=9){
        printf("%d != 5 && %d != 9\n", num, num);
    }
    if (num !=5 || num !=9){
        printf("%d != 5 || %d != 9\n", num, num);
    }
    if (num <5 || num >9){
        printf("%d < 5 || %d > 9\n", num, num);
    }
    if (num >=5 && num <=9){
        printf("%d >= 5 && %d <= 9\n", num, num);
    }
}