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# include <stdio.h>
 
int main()
{
    /* ¶¨Òå±äÁ¿²¢¸³³õÖµ */
     int    a = 5;       
    char   c = 'a';   // 'a'µÄASCÂëµÄֵΪ97
    float  f = 5.3;     
    double m = 12.65; 
    double result;
     
    /* ͬÀàÐÍÊý¾Ý¼ä½øÐÐÔËËã²¢Êä³ö½á¹û */
    printf("a + c = %d\n", a + c);  // 97+5=102
    printf("a + c = %c\n", a + c);  // 102¶ÔÓ¦µÄASCIIÂë×Ö·ûΪ'f'
    printf("f + m = %f\n", f + m);  // 5.3+12.65=17.95
 
    /* ²»Í¬ÀàÐÍÊý¾Ý¼ä½øÐÐÔËËã²¢Êä³ö½á¹û */
    printf("a + m = %f\n", a + m);  //5+12.65=17.65
    printf("c + f = %f\n", c + f);  //97+5.3=102.3
 
    /* ½«ÉÏÊöËĸö±äÁ¿½øÐлìºÏÔËË㣬²¢Êä³ö½á¹û */
    result = a + c * (f + m);
    printf("double = %f\n", result);  //5+97*(5.3+12.65)=1746.15
    return 0;
}


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