6 files changed, 54 insertions, 0 deletions
diff --git a/HackerRank/Mini-MaxSum/main b/HackerRank/Mini-MaxSum/main
new file mode 100755
index 0000000..381d317
--- /dev/null
+++ b/HackerRank/Mini-MaxSum/main
diff --git a/HackerRank/Mini-MaxSum/main.cpp b/HackerRank/Mini-MaxSum/main.cpp
new file mode 100644
index 0000000..1231c85
--- /dev/null
+++ b/HackerRank/Mini-MaxSum/main.cpp
@@ -0,0 +1,23 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+  vector<int> v(5);
+  for (int &x : v) {
+    cin >> x;
+  }
+  sort(v.begin(), v.end());
+  int sumMin = 0, sumMax = 0;
+  for (int i = 0; i < 5; i++) {
+    if (v[i] != v[0]) {
+      sumMax += v[i];
+    }
+    if (v[i] != v[4]) {
+      sumMin += v[i];
+    }
+  }
+  cout << sumMin << " " << sumMax << endl;
+}
diff --git a/HackerRank/PlusMinus/main b/HackerRank/PlusMinus/main
new file mode 100755
index 0000000..808d60e
--- /dev/null
+++ b/HackerRank/PlusMinus/main
diff --git a/HackerRank/PlusMinus/main.cpp b/HackerRank/PlusMinus/main.cpp
new file mode 100644
index 0000000..1d5d7e5
--- /dev/null
+++ b/HackerRank/PlusMinus/main.cpp
@@ -0,0 +1,24 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+  int n;
+  cin >> n;
+  vector<int> v(n);
+  for (auto &x : v)
+    cin >> x;
+  double plus = 0, minus = 0, zero = 0;
+  for (int x : v) {
+    if (x < 0) {
+      minus++;
+    } else if (x > 0) {
+      plus++;
+    } else {
+      zero++;
+    }
+  }
+  printf("%.6f\n%.6f\n%.6f\n", plus / n, minus / n, zero / n);
+}
diff --git a/HackerRank/PlusMinus/main_input0.txt b/HackerRank/PlusMinus/main_input0.txt
new file mode 100644
index 0000000..db80860
--- /dev/null
+++ b/HackerRank/PlusMinus/main_input0.txt
@@ -0,0 +1,4 @@
+STDIN           Function
+-----           --------
+6               arr[] size n = 6
+-4 3 -9 0 4 1   arr = [-4, 3, -9, 0, 4, 1]
diff --git a/HackerRank/PlusMinus/main_output0.txt b/HackerRank/PlusMinus/main_output0.txt
new file mode 100644
index 0000000..b098de6
--- /dev/null
+++ b/HackerRank/PlusMinus/main_output0.txt
@@ -0,0 +1,3 @@
+0.500000
+0.333333
+0.166667