基本知识
1 #include <stdio.h> 2 int main(void) /* a simple program */ 3 { 4 int num; /* define a variable called num */ 5 num = 1; /* assign a value to num */ 6 7 printf("I am a simple "); /* use the printf() function */ 8 printf("computer.\n"); 9 printf("My favorite number is %d because it is first.\n",num); 10 11 return 0; 12 }