(1);*/putc('A',stdin);if(ferror(stdin)){
perror(Writeerror);clearerr(stdin);}/*Seeifreadcausesanerror.*/
printf(Willinputcauseanerror?
);c=getc(stdin);if(ferror(stdin)){
perror(Readerror);clearerr(stdin);}}
#include<>#include<><for(i=1;i<=MAX;i++){cin>>x;(x);}<>x;(x);}<~stack(void)<<#include<><~ex_class(){cout<voidset_value(intn);
voidshow_val(char*name);};<#include<>um:
;cout<;
cout<<<um=<public:
um=;
cout<<<virtualvoidaFn2(void){cout<<<<voidaFn2(void){
cout<<voidaFn2(void){
cout<cout<<<cout<<<
#include<>#include<>;
intn;1.7320534f<~stack(void){
cout<voidpush(T);Tpop(void);};<return;}
stck[tos++]=i;}
templateTstack:
:
pop(void){
if(tos==0){
cout<returnstck[--tos];}irst;
cout<<,<<(*theIterator).second<<;}
cout<cout<<,<<(*theIterator).second<<;}
cout<cout<<,<<(*it).second<<;}cout<econd<<;
elsecout<<[err];}
cout<#include#include#include