#include <stdio.h>
int main(void) {
// your code goes here
int x = 10;
int *ptr = &x;
printf("ptr이 가리키는 값은 %d입니다.\n", *ptr
); printf("ptr의 주소는 %p입니다.\n", (void*)&ptr
); *ptr = 20; // ptr을 통해 x의 값 변경
printf("변경된 x의 값은 %d입니다.\n", x
); return 0;
}
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