Add files via upload

Author: coder-newbie404

b01/bai26.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+    int n;
+    cin >> n;
+    int nMin, nMax;
+    double nMean = 0;
+    for (int i = 0; i < n; i++)
+    {
+        int tmp;
+        cin >> tmp;
+        if (i == 0)
+        {
+            nMin = tmp;
+            nMax = tmp;
+        }
+        else
+        {
+            if (tmp < nMin) nMin = tmp;
+            if (tmp > nMax) nMax = tmp;
+        }
+        nMean += tmp;
+    }
+    nMean /= n;
+    cout << "Mean:" << nMean << endl;
+    cout << "Max:" << nMax << endl;
+    cout << "Min:" << nMin << endl;
+    return 0;
+}

b01/bai27.cpp

@@ -0,0 +1,14 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+    int n;
+    do
+    {
+        cin >> n;
+        if (n >= 0 && n % 5 == 0) cout << n / 5 << endl;
+        else if (n == -1) cout << "Bye";
+        else cout << -1 << endl;
+    } while (n != -1);
+    return 0;
+}

b01/bai28.cpp

@@ -0,0 +1,13 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+    for (int i = 0; i < 24; i++)
+    {
+        if (i == 0) cout << "12 midnight" << endl;
+        else if (i >= 1 && i <= 11) cout << i << " am" << endl;
+        else if (i == 12) cout << "12 noon" << endl;
+        else cout << i - 12 << " pm" << endl;
+    }
+    return 0;
+}

b01/bai29.cpp

@@ -0,0 +1,13 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+    int n;
+    cin >> n;
+    for (int i = 1; i <= n; i++)
+    {
+        for (int j = 1; j <= i; j++) cout << '*';
+        cout << endl;
+    }
+    return 0;
+}

b01/bai30.cpp

@@ -0,0 +1,13 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+    int n;
+    cin >> n;
+    for (int i = n; i >= 1; i--)
+    {
+        for (int j = 1; j <= i; j++) cout << '*';
+        cout << endl;
+    }
+    return 0;
+}