1 #include < iostream.h >int a=0;int fn1(){return(a+=1);}int fn2(int a){return(a++);}main(){int a=40;cout< < a; fn1();cout< < a;fn2(a++);cout< < a;}output:404041 Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsShow or Hide Your Full Post in Blogger354 Numbered Page Navigation for BloggerLevante Vs Real Madrid 1-0Barcelona vs Osasuna 8-0 - All GoalsRemove the Blogger BannerHow to Create a Popular Blog