1 files changed, 69 insertions, 0 deletions
diff --git a/2022-2/L6/mitsuo/fun.cpp b/2022-2/L6/mitsuo/fun.cpp
new file mode 100644
index 0000000..569350c
--- /dev/null
+++ b/2022-2/L6/mitsuo/fun.cpp
@@ -0,0 +1,69 @@
+#include <cstdlib>
+#include <iostream>
+#include <fstream>
+#include <cstdlib>
+#include "fun.h"
+
+using namespace std;
+
+void cargaarreglo(void *&arreglo,
+    int (*cmpnumero)(const void *, const void *), 
+    int *leenumero(istream &in), 
+    const char *filename) 
+{
+    ifstream in(filename);
+
+    if (!in) {
+        cerr << "Error, no se pudo abrir archivo\n";
+        return;
+    }
+
+    int **numbers;
+    int *data;
+    int *buffer[MAXLEN];
+    int i;
+    /* load buffer */
+    for (i = 0; (data = leenumero(in)); i++) {
+        buffer[i] = data;
+    }
+    buffer[i] = nullptr;
+
+    /* create "exact" array of pointers to int */
+    numbers = new int * [i + 1];
+    for (i = 0; buffer[i]; i++) {
+        numbers[i] = buffer[i];
+    }
+    numbers[i] = nullptr;
+
+    /* sort array */
+
+    qsort(numbers, i, sizeof(void *), cmpnumero);
+
+    // for (i = 0; numbers[i]; i++) {
+    //     cout << *numbers[i] << '\n';
+    // }
+
+    /* modify parameter reference */
+    arreglo = numbers;
+}
+
+/* qsort comparisong function.  Descending order */
+int cmpnumero(const void *p1, const void *p2) 
+{
+    return - (** (int **) p1 - ** (int **) p2);
+}
+
+/* allocates memory */
+int *leenumero(istream &in) 
+{
+    int n;
+    if (in >> n)
+        return new int{n};
+    else
+        return nullptr;
+}
+
+void imprimenumero(ostream &out, void *data) 
+{
+    cout << * (int *) data << '\n';
+}