C语言控制流

#include <stdio.h>
 
int main() {
    int num = 10;
 
    if (num > 5) {
        printf("Number is greater than 5\n");
    } else {
        printf("Number is less than or equal to 5\n");
    }
 
    switch (num) {
        case 10:
            printf("Number is 10\n");
            break;
        case 20:
            printf("Number is 20\n");
            break;
        default:
            printf("Number is not 10 or 20\n");
    }
 
    for (int i = 0; i < 5; i++) {
        printf("Counter: %d\n", i);
    }
 
    return 0;
}