内存最强不支持反驳

#include <stdio.h>

int main() {
    char c = getchar_unlocked();
    putchar_unlocked(' ');putchar_unlocked(' ');putchar_unlocked(c);putchar_unlocked(' ');putchar_unlocked(' ');putchar_unlocked('\n');
    putchar_unlocked(' ');putchar_unlocked(c);putchar_unlocked(c);putchar_unlocked(c);putchar_unlocked(' ');putchar_unlocked('\n');
    putchar_unlocked(c);putchar_unlocked(c);putchar_unlocked(c);putchar_unlocked(c);putchar_unlocked(c);
    return 0;
}