Merge pull request kennyledet#487 from ivanchoff/master

patrickyevsukov · patrickyevsukov · commit ae066b647e18 · 2015-10-30T15:21:47.000-04:00
string to int functionality in C++
diff --git a/String_to_int/C++/ivanchoff/Makefile b/String_to_int/C++/ivanchoff/Makefile
@@ -0,0 +1,9 @@
+CC= g++ -std=c++11
+
+all: string_to_int
+
+string_to_int: string_to_int.cc
+	$(CC) string_to_int.cc string_to_int_test.cc -o string_to_int.out
+
+clean:
+	rm -rf *.out
diff --git a/String_to_int/C++/ivanchoff/string_to_int.cc b/String_to_int/C++/ivanchoff/string_to_int.cc
@@ -0,0 +1,14 @@
+#include <sstream>
+#include <string>
+
+/*
+ * Return int from c++ string
+ */
+
+int string_to_int(std::string x){
+    std::stringstream s;
+    s << x;
+    int r;
+    s >> r;
+    return r;
+}
diff --git a/String_to_int/C++/ivanchoff/string_to_int.hpp b/String_to_int/C++/ivanchoff/string_to_int.hpp
@@ -0,0 +1,11 @@
+#ifndef str_to_int
+#include <string>
+#define str_to_int
+
+/*
+ * convert c++ string to int
+ */
+
+int string_to_int(std::string x);
+
+#endif
diff --git a/String_to_int/C++/ivanchoff/string_to_int_test.cc b/String_to_int/C++/ivanchoff/string_to_int_test.cc
@@ -0,0 +1,23 @@
+#include<iostream>
+#include<cassert>
+#include "string_to_int.hpp"
+
+using namespace std;
+
+/*
+ *    Testing with 10 strings
+ */
+
+int main(){
+    //string array for test
+    std::string str[10] = {"12","99","123","768","892","445123","12389","123456","9871","987654321"};
+    int sol[10] = {12,99,123,768,892,445123,12389,123456,9871,987654321};
+
+    for(int i=0; i<10; ++i){
+        //check returned value from string_to_int function
+        assert(string_to_int(str[i]) == sol[i]);
+    }
+    cout<<"Tested passed!"<<endl;
+    return 0;
+
+}
