#include <stdio.h>
int main( )
{
int a=21;
int b=10;
int c;
if( a==b)
{
printf( "Line1–a等于b\n");
}
else
{
printf( "Line1–a不等于b\n");
}
if( a＜b)
{
printf( "Line2–a小于b\n");
}
else
{
printf( "Line2–a不小于b\n");
}
if( a＞b)
{
printf( "Line3–a大于b\n");
}
else
{
printf( "Line3–a不小于b\n");
}
/*改变a和b的值*/
a=5;
b=20;
if( a＜=b)
{
printf( "Line4–a小于或等于b\n");
}
if( b＞=a)
{
printf( "Line5–a大于或小于b\n");
}
}