#define K 2 #define X(K)((K+1)* K) #include " stdio.h" void main ( ) {int y; #ifndef K ¥=2*×(K+×(2+1)); #else y=×(K+×(2+1)); #endif printf("y =%d”,y); }
#define X(K)(((K)+1)* (K))
printf("y =%od”,y);