#include <stdio.h>
#include <stdlib.h>

void main(){

    printf("00num = %d\r\n", (int)3.2+9+1.8);
    printf("01num = %f\r\n", (int)3.2+9+1.8);
    printf("02num = %f\r\n", 3.2+3+1.8);

    printf("1num = %.2d\r\n", 3.2+1.8);
    printf("2num = %02.3d\r\n", 1.1+1.2);
    printf("3num = %d\r\n", 1.2+1.6);
    printf("4num = %d\r\n", 0.3+1.2);
    printf("5num = %d\r\n", 3.2+3+1.8);
    
    printf("6num = %d\r\n", (int) (3.2+3+1.8));
    printf("7num = %d\r\n", (int)3.2);
    printf("8num = %d\r\n", 3.2);
    
    printf("9num = %d\r\n", (int)2);
    printf("10num = %d\r\n", (int)2.8);
    system("pause");
}