pb/z13

1sem/programming basics/z13/39.cpp

@@ -0,0 +1,37 @@
+// pb_z13_39.cpp
+// Горбацевич Андрей
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+void wrap_text(istream &ist, ostream &ost, int max_line_len);
+
+int main() {
+    ifstream inf("in.txt");
+    ofstream fout("out.txt", ios::trunc);
+    if (!inf.is_open() || !fout.is_open())
+    {
+        cerr << "Unable to open file" << endl;
+        return 1;
+    }
+
+    int max_line_len = 0;
+    cout << "Maximal line length >>>";
+    cin >> max_line_len;
+    wrap_text(inf, fout, max_line_len);
+    return 0;
+}
+
+void wrap_text(istream &ist, ostream &ost, int max_line_len) {
+    int cl = 0;
+    char c;
+    while ((c = ist.get()) && !ist.eof() && ist.good()) {
+        if (cl >= max_line_len) {
+            cl = 0;
+            ost << endl;
+        }
+        ost << c;
+        cl++;
+    }
+}