fork download
copy 
  1.     #include<bits/stdc++.h>
  2.     using namespace std;
  3.     int main()
  4.     {
  5.  
  6.     string str,newstr="\0";
  7.     getline(cin,newstr,'\0');
  8.     int sum=0,sub=0,prod=1,div=0;
  9.     int num=0;
  10.     string::size_type pos=newstr.find("sum");
  11.      string::size_type pos1=newstr.find("prod");
  12.     if(pos != std::string::npos)
  13.     {
  14.     	if(newstr[pos]=='s'&&newstr[pos+1]=='u'&&newstr[pos+2]=='m')
  15.     	{
  16.     		for(int i=pos+3; newstr[i]; i++)
  17.     		{
  18. 			 num=0;
  19.     while(isdigit(newstr[i]))
  20.     {
  21.     num=(num*10)+int(newstr[i]-'0');
  22.     i++;
  23.     }
  24.     sum+=num;
  25.     }
  26.     	}
  27. }
  28.     	 if(pos1 != std::string::npos)
  29.     	 {
  30.     		 if(newstr[pos1]=='p'&&newstr[pos1+1]=='r'&& newstr[pos1+2]=='o' && newstr[pos1+3]=='d')
  31.     {
  32.     for(int i=pos1+4; newstr[i]; i++)
  33.     {
  34.     num=0;
  35.     while(isdigit(newstr[i]))
  36.     {
  37.      num=(num*10)+int(newstr[i]-'0');
  38.     i++;
  39.     }
  40.     prod*=num;
  41.      cout<<prod;
  42.  
  43.     }
  44.  
  45.  
  46.     }
  47. }
  48.      cout<<sum<<endl;
  49.  
  50.  
  51.     }
  52.  
  53.  
Success #stdin #stdout 0s 3476KB
comments (?)
stdin
copy 
{
"expr": {
"prod": {
"elem": [
"4",
"6",
"3",
"7"
]
}
}
}
stdout
copy 
00000000000000000000000000000000000000
https://ideone.com/r8kWrd
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!