[11718번] Output as is 그대로 출력하기 - In/Output[C++]

https://www.acmicpc.net/problem/11718

<Method 1>

#include <stdio.h>
#pragma warning(disable : 4996)
 
int main() {
    char a;
 
    for (char a; ~scanf("%c", &a); printf("%c", a));
 
    return 0;
}

<Method 2>

#include <stdio.h>
#pragma warning(disable : 4996)
 
int main() {
    char a;
 
    while (scanf("%c", &a) != -1)
        printf("%c", a);
 
    return 0;
}