初识C语言

#include

int main()

{

char ch = 'A';

printf("%c\n", ch);

int age = 18;

printf("%d\n", age);

printf("hello world\n");

short int num = 50;

printf("%d\n", num);

float f = 5.0;

printf("%f\n", f);

double d = 3.14;

printf("%lf\n", d);

printf("%d\n", sizeof(char));

printf("%d\n", sizeof(short));

printf("%d\n", sizeof(int));

printf("%d\n", sizeof(long));

printf("%d\n", sizeof(long long));

printf("%d\n", sizeof(float));

printf("%d\n", sizeof(double));

int num1 = 1;

int num2 = 2;

int sum = 0;

scanf_s("%d%d", &num1, &num2);

sum = num1 + num2;

printf("sum = % d\n", sum);

return 0;

}