1 #include <iostream> 2 #include <string> 3 #include <sstream> 4 #include <fstream> 5 6 //#define LOCAL 7 8 9 using namespace std; 10 11 int main() 12 { 13 #ifdef LOCAL 14 fstream cout("data.out"); 15 #endif // LOCAL 16 17 string s1 = "50 60"; 18 stringstream ss; 19 ss<<s1; 20 ss<<s1; 21 int n = 0; 22 ss >> n; 23 cout<<n<<endl; 24 return 0; 25 }