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ARITH2.cpp
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ARITH2.cpp
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#include<iostream>
using namespace std;
#include<stdio.h>
int main()
{
int t,i,a[10000],x,j,p;
char s[100000];
cin>>t;
for(i=0;i<t;i++)
{
p=-1;
for(j=0;j<10000;j++)
a[j]=0;
x=0;
do
{
gets(s);
}while(s[0]=='\0');
for(j=0;s[j]!='\0';j++)
{
if(s[j]=='+' || s[j]=='-' || s[j]=='/' || s[j]=='*' ||s[j]=='=')
{
if(p!=-1)
{
if(p==1)
a[x]=a[x-1]+a[x];
if(p==2)
a[x]=a[x-1]-a[x];
if(p==3)
a[x]=a[x-1]*a[x];
if(p==4)
a[x]=a[x-1]/a[x];
}
if(s[j]=='+')
p=1;
if(s[j]=='-')
p=2;
if(s[j]=='*')
p=3;
if(s[j]=='/')
p=4;
x++;
}
else if(s[j]!=' ' && s[j]!='+' && s[j]!='=' && s[j]!='-' && s[j]!='/' && s[j]!='*')
a[x]=a[x]*10 + s[j]-48;
}
cout<<a[x-1]<<"\n";
}
}