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1sem/programming basics/8/2_100.cpp

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+// pb_8_2_100.cpp
+// Горбацевич Андрей
+#include <iostream>
+using namespace std;
+
+int *read_array(int len)
+{
+    int *out = new int[len];
+    for (int i = 0; i < len; i++)
+    {
+        cout << "arr[" << i << "] >>>";
+        cin >> out[i];
+    }
+    return out;
+}
+
+void print_array(int arr[], int len) {
+    for (int i = 0; i < len; i++) {
+        cout << arr[i] << " ";
+    }
+    cout << endl;
+}
+
+int my_task(const int A[], int lenA, int B[], int lenB) {
+    int actbs = 0;
+    int indx = -1;
+    int *p = new int[lenB];
+    for (int i = lenA; i >= 0;) {
+        i -= 1;
+        if (A[i] >= 0) {
+            indx = i;
+            break;
+        }
+        p[actbs++] = A[i];
+    }
+    delete[] B;
+    B = new int[actbs];
+    for (int i = 0; i < actbs; i++) {
+        B[i] = p[actbs-i-1];
+    }
+    return indx;
+}
+
+int main()
+{
+    int len;
+    cout << "len >>>";
+    cin >> len;
+    int *a1 = read_array(len);
+    int *b = new int[len];
+    int indx = my_task(a1, len, b, len);
+    if (indx > -1) {
+        cout << "Last positive: " << indx;
+    }
+    else {
+        cout << "No positive elements";
+    }
+    cout << endl << "B = ";
+    print_array(b, len-1-indx);
+}