#include <stdio.h>
int main() {
int a; //변수 선언
a = 10; //변수 초기화(대입)
int b = 20; //선언과 초기화
printf("%d %d %d\n", a, b, 100);
float c = 3.14;
printf("%.2f\n", c);
const int year = 2026;
// year = 2027; 한글 ok
printf("%d\n", year);
char d = 'A';
printf("%c 가\n", d);
char arr[20] = "안녕하세요";
printf("%s\n", arr);
printf("안녕하세요\n");
int num;
scanf("%d", &num);
printf("%d\n", num);
}
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