C++简单题，有空请指点迷津

Question

#include<stdio.h>

int main(void)

{int n = 0,j;

scanf("%d",&j);

do{

n++;

char ch;

scanf("%c",&ch);

ch=ch-32;

printf("%cln",ch);

}while(n <= j);

return 0 }

Answer 1

两个scanf语句后面都加一句getchar();接收换行符