为什么换不了行呢
#include<stdio.h>#include<stdlib.h>
int main()
{
int a,b,s;
for(a=1;a<10;a++)
{
for(b=1;b<=a;b++)
{
s=a*b;
printf("%2d*%d=%2d",a,b,s);
printf("\n");
}
}
printf("why I can't change the line??");
system("pause");
return 0;
}

为时未晚~~COME ON!!实践才是真理!!!@~@