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Odwrotna Notacja Polska
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#include <iostream> | |
using namespace std; | |
int tab[100]; | |
int poz=-1; | |
int n=100; | |
void Push(int x) | |
{ | |
if (poz<n) tab[++poz]=x; | |
} | |
int pop() | |
{ | |
if (poz>=0) return tab[poz--]; | |
} | |
int main() | |
{ | |
string W; | |
int k=-1; | |
int suma=0; | |
cout << "Podaj ciag wartosci:";cin>>W; | |
for (int i=0;i<W.length();i++) | |
{ | |
int znak = W[i]; | |
int Z1,Z2; | |
switch(znak) | |
{ | |
case 43 : Push(pop()+pop());break; //+ | |
case 42 : Push(pop()*pop());break; //* | |
case 45 : Z2=pop(); Z1=pop(); Push(Z1-Z2);break; //- | |
case 47 : Z2=pop(); Z1=pop(); Push(Z1/Z2);break; //- | |
default : Push(znak-48);break; | |
} | |
} | |
cout << "suma=" << tab[0]<< endl; | |
return 0; | |
} |
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