- #include <stdio.h>
- int main(void) {
- int answer;
- short x = 1;
- long y = 2;
- float u = 3.0;
- double v = 4.4;
- long double w = 5.54;
- char c = 'p';;
- // __DATE__, __TIME__, __FILE__, __LINE__ 为预定义宏
- printf("Date : %s\n", __DATE__);
- printf("Time : %s\n", __TIME__);
- printf("File : %s\n", __FILE__);
- printf("Line : %d\n", __LINE__);
- printf("Enter 1 or 0 : ");
- scanf("%d", &answer);
- // 这是一个条件表达式
- printf("%s\n", answer?"You sayd YES":"You said NO");
- // 各种数据类型的长度
- printf("The size of int %d\n", sizeof(answer));
- printf("The size of short %d\n", sizeof(x));
- printf("The size of long %d\n", sizeof(y));
- printf("The size of float %d\n", sizeof(u));
- printf("The size of double %d\n", sizeof(v));
- printf("The size of long double %d\n", sizeof(w));
- printf("The size of char %d\n", sizeof(c));
- }
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