add solution of lab01

labs/classes/fileio.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+#include <fstream>
+#include <string>
+
+int main() {
+    std::ifstream inputFile("input.txt");
+
+	if (!inputFile.is_open()) {
+		std::cerr << "Failed to open the user data file." << std::endl;
+		exit(1);
+	}
+
+	std::string name, gender, number, profession, school;
+	int age;
+	double latitude, longitude;
+	while(inputFile >> name
+		>> age
+		>> gender
+		>> number
+		>> profession
+		>> school
+		>> latitude
+		>> longitude){
+            std::ofstream outputFile("output.txt", std::ios::app);
+            outputFile << name << "," << number << std::endl;
+            outputFile.close();
+        }
+    inputFile.close();
+    return 0;
+}