classSolution{public:intreverse(intx){intnum=0,X=x;intcount=0;doublesum=0;while(X!=0){X=X/10;count++;}for(inti=0;i<count;i++){num=x%10;sum=sum*10+num;if(sum>INT_MAX||sum<INT_MIN){return0;break;}x=x/10;}returnint(sum);}};