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标题:C中的关系运算符

C中的关系运算符

#include <stdio.h>



main() {



   int a = 21;

   int b = 10;

   int c ;



   if( a == b ) {

      printf("Line 1 - a is equal to b\n" );

   } else {

      printf("Line 1 - a is not equal to b\n" );

   }



   if ( a < b ) {

      printf("Line 2 - a is less than b\n" );

   } else {

      printf("Line 2 - a is not less than b\n" );

   }



   if ( a > b ) {

      printf("Line 3 - a is greater than b\n" );

   } else {

      printf("Line 3 - a is not greater than b\n" );

   }



   /* Lets change value of a and b */

   a = 5;

   b = 20;



   if ( a <= b ) {

      printf("Line 4 - a is either less than or equal to  b\n" );

   }



   if ( b >= a ) {

      printf("Line 5 - b is either greater than  or equal to b\n" );

   }

}

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