请学长们帮助解决1个C语言问题
小弟刚学C，作业中有道编程题不会做，请学长们写一下，就快要交了。
输入个人信息，然后打印出来一段欢迎的话。程序的运行要求达到如下示例的效果：
Please input your name:
Tom
Please input your class:
F06032032
How many students in your class?
30
Hello, Tom! Welcome to SJTU! You are in class F06032032. You have 29 classmates.
[解决办法]
看看我的 错在那里了 ；运行成功 但是结果 出现一些乱吗 ； 大家一起研究吧 给我 留言啊 ！！！
#include "stdio.h "
#include "conio.h "
main()
{ int snum,k;
char name,class1;
printf( "Please input your name: \n ");
scanf( "%s ",&name);
printf( "Please input your class: \n ");
scanf( "%s ",&class1);
printf( "How many students in your class?\n ");
scanf( "%d ",&snum);
k=snum-1;
printf( "Hello, %s! Welcome to SJTU! ",name);
printf( "You are in class %s ",class1);
printf( "You have %d classmates. ",k);
getch();
}
