有关scanf和getchar()的题目: #include"stdio.h" int main() { char c1, c2, c3, c4, c5, c6; scanf("%c%c%c%c", &c1, &c2, &c3, &c4); c5 = getchar(); c6 = getchar(); putchar(c1); printf("\n"); putchar(c2); printf("\n"); putchar(c3); printf("\n"); putchar(c4); putchar(c5); printf("%c%c\n", c5,c6); return 0; }