52 files changed, 180 insertions, 46 deletions
diff --git a/Ghanophobia/main b/Ghanophobia/main
new file mode 100755
index 0000000..80108cd
--- /dev/null
+++ b/Ghanophobia/main
diff --git a/Ghanophobia/main.cpp b/Ghanophobia/main.cpp
new file mode 100644
index 0000000..31dff88
--- /dev/null
+++ b/Ghanophobia/main.cpp
@@ -0,0 +1,36 @@
+#include<bits/stdc++.h>
+#include <cstring>
+
+using namespace std;
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+  freopen("ghanophobia.in", "r", stdin);
+	int tt;
+	cin >> tt;
+  int cnt = 0;
+	while(tt--){
+    cnt++;
+    string s;
+    cin >> s;
+    string s1 = s.substr(0, s.find(":"));
+    string s2 = s.substr(s.find(":") + 1, s.length() - 1);
+    int eg = stoi(s1) + 1;
+    int gh = stoi(s2) + 6;
+    cout << "Case " << cnt << ": ";
+    if (eg == gh){
+      if (gh - 6 > 1) {
+        cout << "NO\n";
+      } else if (gh - 6 == 1) {
+        cout << "PENALTIES\n";
+      } else {
+        cout << "YES\n";
+      }
+    } else if(eg > gh) {
+      cout << "YES\n";
+    } else {
+      cout << "NO\n";
+    }
+  }
+}
diff --git a/Ghanophobia/main_input0.txt b/Ghanophobia/main_input0.txt
new file mode 100644
index 0000000..ae9045c
--- /dev/null
+++ b/Ghanophobia/main_input0.txt
@@ -0,0 +1,4 @@
+3
+6:0
+1:1
+6:1
diff --git a/Ghanophobia/main_output0.txt b/Ghanophobia/main_output0.txt
new file mode 100644
index 0000000..b0ad2a2
--- /dev/null
+++ b/Ghanophobia/main_output0.txt
@@ -0,0 +1,3 @@
+Case 1: YES
+Case 2: NO
+Case 3: PENALTIES
diff --git a/cses/BitStrings/main b/cses/IntroductoryProblems/BitStrings/main
index 177fec4..177fec4 100755
--- a/cses/BitStrings/main
+++ b/cses/IntroductoryProblems/BitStrings/main
diff --git a/cses/BitStrings/main.cpp b/cses/IntroductoryProblems/BitStrings/main.cpp
index db812c5..db812c5 100644
--- a/cses/BitStrings/main.cpp
+++ b/cses/IntroductoryProblems/BitStrings/main.cpp
diff --git a/cses/BitStrings/main_input0.txt b/cses/IntroductoryProblems/BitStrings/main_input0.txt
index 00750ed..00750ed 100644
--- a/cses/BitStrings/main_input0.txt
+++ b/cses/IntroductoryProblems/BitStrings/main_input0.txt
diff --git a/cses/BitStrings/main_output0.txt b/cses/IntroductoryProblems/BitStrings/main_output0.txt
index 45a4fb7..45a4fb7 100644
--- a/cses/BitStrings/main_output0.txt
+++ b/cses/IntroductoryProblems/BitStrings/main_output0.txt
diff --git a/cses/IncreasingArray/main b/cses/IntroductoryProblems/IncreasingArray/main
index 6306d7c..6306d7c 100755
--- a/cses/IncreasingArray/main
+++ b/cses/IntroductoryProblems/IncreasingArray/main
diff --git a/cses/IncreasingArray/main.cpp b/cses/IntroductoryProblems/IncreasingArray/main.cpp
index 67f6afe..67f6afe 100644
--- a/cses/IncreasingArray/main.cpp
+++ b/cses/IntroductoryProblems/IncreasingArray/main.cpp
diff --git a/cses/IncreasingArray/main_input0.txt b/cses/IntroductoryProblems/IncreasingArray/main_input0.txt
index 6e41d58..6e41d58 100644
--- a/cses/IncreasingArray/main_input0.txt
+++ b/cses/IntroductoryProblems/IncreasingArray/main_input0.txt
diff --git a/cses/IncreasingArray/main_output0.txt b/cses/IntroductoryProblems/IncreasingArray/main_output0.txt
index 7ed6ff8..7ed6ff8 100644
--- a/cses/IncreasingArray/main_output0.txt
+++ b/cses/IntroductoryProblems/IncreasingArray/main_output0.txt
diff --git a/cses/MissingNumber/main b/cses/IntroductoryProblems/MissingNumber/main
index 3c1baa1..3c1baa1 100755
--- a/cses/MissingNumber/main
+++ b/cses/IntroductoryProblems/MissingNumber/main
diff --git a/cses/MissingNumber/main.cpp b/cses/IntroductoryProblems/MissingNumber/main.cpp
index 77f0f06..77f0f06 100644
--- a/cses/MissingNumber/main.cpp
+++ b/cses/IntroductoryProblems/MissingNumber/main.cpp
diff --git a/cses/MissingNumber/main_input0.txt b/cses/IntroductoryProblems/MissingNumber/main_input0.txt
index 58c8e41..58c8e41 100644
--- a/cses/MissingNumber/main_input0.txt
+++ b/cses/IntroductoryProblems/MissingNumber/main_input0.txt
diff --git a/cses/MissingNumber/main_input1.txt b/cses/IntroductoryProblems/MissingNumber/main_input1.txt
index d284270..d284270 100644
--- a/cses/MissingNumber/main_input1.txt
+++ b/cses/IntroductoryProblems/MissingNumber/main_input1.txt
diff --git a/cses/MissingNumber/main_output0.txt b/cses/IntroductoryProblems/MissingNumber/main_output0.txt
index b8626c4..b8626c4 100644
--- a/cses/MissingNumber/main_output0.txt
+++ b/cses/IntroductoryProblems/MissingNumber/main_output0.txt
diff --git a/cses/MissingNumber/main_output1.txt b/cses/IntroductoryProblems/MissingNumber/main_output1.txt
index 1994202..1994202 100644
--- a/cses/MissingNumber/main_output1.txt
+++ b/cses/IntroductoryProblems/MissingNumber/main_output1.txt
diff --git a/cses/IntroductoryProblems/PalindromeReorder/main.cpp b/cses/IntroductoryProblems/PalindromeReorder/main.cpp
new file mode 100644
index 0000000..411cda8
--- /dev/null
+++ b/cses/IntroductoryProblems/PalindromeReorder/main.cpp
@@ -0,0 +1,30 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+  int n;
+  string s;
+  cin >> s;
+  map<char, int> mp;
+  int e = 0, o = 0;
+  for (auto ch : s) {
+    mp[ch]++;
+  }
+  if (n & 1) {
+    for (auto [key, value] : mp) {
+      if (value & 1) {
+        o++;
+      } else {
+        e++;
+      }
+    }
+    if (o > 1) {
+      cout << "NO SOLUTION" << '\n';
+    } 
+  } else {
+
+  }
+}
diff --git a/cses/Permutations/main b/cses/IntroductoryProblems/Permutations/main
index ebb51a1..ebb51a1 100755
--- a/cses/Permutations/main
+++ b/cses/IntroductoryProblems/Permutations/main
diff --git a/cses/Permutations/main.cpp b/cses/IntroductoryProblems/Permutations/main.cpp
index 2f55cc4..2f55cc4 100644
--- a/cses/Permutations/main.cpp
+++ b/cses/IntroductoryProblems/Permutations/main.cpp
diff --git a/cses/Permutations/main_input0.txt b/cses/IntroductoryProblems/Permutations/main_input0.txt
index 7ed6ff8..7ed6ff8 100644
--- a/cses/Permutations/main_input0.txt
+++ b/cses/IntroductoryProblems/Permutations/main_input0.txt
diff --git a/cses/Permutations/main_input1.txt b/cses/IntroductoryProblems/Permutations/main_input1.txt
index 00750ed..00750ed 100644
--- a/cses/Permutations/main_input1.txt
+++ b/cses/IntroductoryProblems/Permutations/main_input1.txt
diff --git a/cses/Permutations/main_output0.txt b/cses/IntroductoryProblems/Permutations/main_output0.txt
index 8205ff8..8205ff8 100644
--- a/cses/Permutations/main_output0.txt
+++ b/cses/IntroductoryProblems/Permutations/main_output0.txt
diff --git a/cses/Permutations/main_output1.txt b/cses/IntroductoryProblems/Permutations/main_output1.txt
index 303530c..303530c 100644
--- a/cses/Permutations/main_output1.txt
+++ b/cses/IntroductoryProblems/Permutations/main_output1.txt
diff --git a/cses/Repetitions/main b/cses/IntroductoryProblems/Repetitions/main
index e124ce4..e124ce4 100755
--- a/cses/Repetitions/main
+++ b/cses/IntroductoryProblems/Repetitions/main
diff --git a/cses/Repetitions/main.cpp b/cses/IntroductoryProblems/Repetitions/main.cpp
index cc45f63..cc45f63 100644
--- a/cses/Repetitions/main.cpp
+++ b/cses/IntroductoryProblems/Repetitions/main.cpp
diff --git a/cses/Repetitions/main_input0.txt b/cses/IntroductoryProblems/Repetitions/main_input0.txt
index a6c74b2..a6c74b2 100644
--- a/cses/Repetitions/main_input0.txt
+++ b/cses/IntroductoryProblems/Repetitions/main_input0.txt
diff --git a/cses/Repetitions/main_output0.txt b/cses/IntroductoryProblems/Repetitions/main_output0.txt
index 00750ed..00750ed 100644
--- a/cses/Repetitions/main_output0.txt
+++ b/cses/IntroductoryProblems/Repetitions/main_output0.txt
diff --git a/cses/TrailingZeros/main b/cses/IntroductoryProblems/TrailingZeros/main
index b251f72..b251f72 100755
--- a/cses/TrailingZeros/main
+++ b/cses/IntroductoryProblems/TrailingZeros/main
diff --git a/cses/TrailingZeros/main.cpp b/cses/IntroductoryProblems/TrailingZeros/main.cpp
index e41854e..e41854e 100644
--- a/cses/TrailingZeros/main.cpp
+++ b/cses/IntroductoryProblems/TrailingZeros/main.cpp
diff --git a/cses/TrailingZeros/main_input0.txt b/cses/IntroductoryProblems/TrailingZeros/main_input0.txt
index 209e3ef..209e3ef 100644
--- a/cses/TrailingZeros/main_input0.txt
+++ b/cses/IntroductoryProblems/TrailingZeros/main_input0.txt
diff --git a/cses/TrailingZeros/main_output0.txt b/cses/IntroductoryProblems/TrailingZeros/main_output0.txt
index b8626c4..b8626c4 100644
--- a/cses/TrailingZeros/main_output0.txt
+++ b/cses/IntroductoryProblems/TrailingZeros/main_output0.txt
diff --git a/cses/TrailingZeros/test.py b/cses/IntroductoryProblems/TrailingZeros/test.py
index 3f46e57..3f46e57 100755
--- a/cses/TrailingZeros/test.py
+++ b/cses/IntroductoryProblems/TrailingZeros/test.py
diff --git a/cses/TrailingZeros/test.txt b/cses/IntroductoryProblems/TrailingZeros/test.txt
index d5d7d1b..d5d7d1b 100644
--- a/cses/TrailingZeros/test.txt
+++ b/cses/IntroductoryProblems/TrailingZeros/test.txt
diff --git a/cses/IntroductoryProblems/TwoSets/main b/cses/IntroductoryProblems/TwoSets/main
new file mode 100755
index 0000000..ed99e71
--- /dev/null
+++ b/cses/IntroductoryProblems/TwoSets/main
diff --git a/cses/IntroductoryProblems/TwoSets/main.cpp b/cses/IntroductoryProblems/TwoSets/main.cpp
new file mode 100644
index 0000000..bec99d9
--- /dev/null
+++ b/cses/IntroductoryProblems/TwoSets/main.cpp
@@ -0,0 +1,41 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+typedef long long ll;
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+  ll n;
+  cin >> n;
+  ll sum = (n * (n + 1)) / 2;
+  ll s = sum / 2;
+  if (sum & 1) {
+    cout << "NO" << '\n';
+  } else {
+    cout << "YES" << '\n';
+    vector<bool> a(n + 1);
+    for (int i = n; i >= 1; i--) {
+      if (s <= i) {
+        a[s] = true;
+        break;
+      }
+      s -= i;
+      a[i] = true;
+    }
+    int c1 = count(a.begin() + 1, a.end(), false);
+    cout << c1 << '\n';
+    for (int i = 1; i <= n; i++) {
+      if (a[i] == false) {
+        cout << i << ' ';
+      }
+    }
+    cout << '\n' << n - c1 << '\n';
+    for (int i = 1; i <= n; i++) {
+      if (a[i] == true) {
+        cout << i << ' ';
+      }
+    }
+  }
+}
diff --git a/cses/TwoSets/main_input0.txt b/cses/IntroductoryProblems/TwoSets/main_input0.txt
index 7f8f011..7f8f011 100644
--- a/cses/TwoSets/main_input0.txt
+++ b/cses/IntroductoryProblems/TwoSets/main_input0.txt
diff --git a/cses/TwoSets/main_input1.txt b/cses/IntroductoryProblems/TwoSets/main_input1.txt
index 1e8b314..1e8b314 100644
--- a/cses/TwoSets/main_input1.txt
+++ b/cses/IntroductoryProblems/TwoSets/main_input1.txt
diff --git a/cses/TwoSets/main_output0.txt b/cses/IntroductoryProblems/TwoSets/main_output0.txt
index 90d1101..90d1101 100644
--- a/cses/TwoSets/main_output0.txt
+++ b/cses/IntroductoryProblems/TwoSets/main_output0.txt
diff --git a/cses/TwoSets/main_output1.txt b/cses/IntroductoryProblems/TwoSets/main_output1.txt
index 5e35d1b..5e35d1b 100644
--- a/cses/TwoSets/main_output1.txt
+++ b/cses/IntroductoryProblems/TwoSets/main_output1.txt
diff --git a/cses/WeirdAlgorithm/main b/cses/IntroductoryProblems/WeirdAlgorithm/main
index 39ec9c4..39ec9c4 100755
--- a/cses/WeirdAlgorithm/main
+++ b/cses/IntroductoryProblems/WeirdAlgorithm/main
diff --git a/cses/WeirdAlgorithm/main.cpp b/cses/IntroductoryProblems/WeirdAlgorithm/main.cpp
index ab5b099..ab5b099 100644
--- a/cses/WeirdAlgorithm/main.cpp
+++ b/cses/IntroductoryProblems/WeirdAlgorithm/main.cpp
diff --git a/cses/WeirdAlgorithm/main_input0.txt b/cses/IntroductoryProblems/WeirdAlgorithm/main_input0.txt
index 00750ed..00750ed 100644
--- a/cses/WeirdAlgorithm/main_input0.txt
+++ b/cses/IntroductoryProblems/WeirdAlgorithm/main_input0.txt
diff --git a/cses/WeirdAlgorithm/main_output0.txt b/cses/IntroductoryProblems/WeirdAlgorithm/main_output0.txt
index 4c544cf..4c544cf 100644
--- a/cses/WeirdAlgorithm/main_output0.txt
+++ b/cses/IntroductoryProblems/WeirdAlgorithm/main_output0.txt
diff --git a/cses/SortingAndSearching/DistinctNumbers/main.cpp b/cses/SortingAndSearching/DistinctNumbers/main.cpp
new file mode 100644
index 0000000..6e03958
--- /dev/null
+++ b/cses/SortingAndSearching/DistinctNumbers/main.cpp
@@ -0,0 +1,16 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+  int n;
+  cin >> n;
+  set<int> st;
+  while(n--) {
+    int x; cin >> x;
+    st.insert(x);
+  }
+  cout << st.size() << '\n';
+}
diff --git a/cses/TwoSets/main b/cses/TwoSets/main
deleted file mode 100755
index 61c6ec3..0000000
--- a/cses/TwoSets/main
+++ /dev/null
diff --git a/cses/TwoSets/main.cpp b/cses/TwoSets/main.cpp
deleted file mode 100644
index 8c1aed0..0000000
--- a/cses/TwoSets/main.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-#include<bits/stdc++.h>
-
-using namespace std;
-
-typedef long long ll;
-
-int main () {
-	ios_base::sync_with_stdio(false);
-	cin.tie(NULL);
-  ll n;
-  cin >> n;
-  ll sum = (n * (n + 1)) / 2;
-  ll s = sum / 2;
-  set<int> vis;
-  vector<int> st2;
-  if (sum & 1) {
-    cout << "NO" << '\n';
-  } else {
-    cout << "YES" << '\n';
-    for (int i = n; i >= 1; --i) {
-      if (s - i > 0) {
-        s -= i;
-        vis.insert(i);
-      } else {
-        vis.insert(s);
-        s -= i;
-        break;
-      }
-    }
-    for (int i = 1; i <= n; ++i) {
-      if (!vis.count(i)) {
-        st2.push_back(i);
-      }
-    }
-    cout << vis.size() << '\n';
-    for (auto x : vis) {
-      cout << x << " ";
-    }
-    cout << '\n';
-    cout << st2.size() << '\n';
-    for (auto x : st2) {
-      cout << x << " ";
-    }
-    cout << '\n';
-  }
-}
diff --git a/cubesShuffling/main b/cubesShuffling/main
new file mode 100755
index 0000000..d5ae401
--- /dev/null
+++ b/cubesShuffling/main
diff --git a/cubesShuffling/main.cpp b/cubesShuffling/main.cpp
new file mode 100644
index 0000000..20c107c
--- /dev/null
+++ b/cubesShuffling/main.cpp
@@ -0,0 +1,41 @@
+#include<bits/stdc++.h>
+#include <functional>
+
+using namespace std;
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+  freopen("cubes.in", "r", stdin);
+	int tt;
+	cin >> tt;
+  int cnt = 0;
+	while(tt--) {
+    cnt++;
+    int n;
+    cin >> n;
+    vector<int> v(n);
+    vector<int> ans(n);
+    for (auto &x : v) cin >> x;
+    sort(v.begin(), v.end());
+    cout << "Case " << cnt << ":\n";
+    int j = 0;
+    if (n & 1) {
+      ans[n / 2] = v[0];
+      for(int i = 0; i < n / 2; i++) {
+        ans[n - 1 - i] = v[(n - 1) - j]; // 4 2 // 4
+        ans[i] = v[(n - 2) - j]; // 3 1 / 0
+        j += 2;
+      }
+    } else {
+      for(int i = 0; i < n / 2; i++) {
+        ans[n - 1 - i] = v[(n - 1) - j];
+        ans[i] = v[(n - 2) - j];
+        j += 2;
+      }
+    }
+    for (int i = 0; i < n; i++) {
+      cout << ans[i] << " \n"[i == n - 1];
+    }
+	}
+}
diff --git a/cubesShuffling/main_input0.txt b/cubesShuffling/main_input0.txt
new file mode 100644
index 0000000..3150c53
--- /dev/null
+++ b/cubesShuffling/main_input0.txt
@@ -0,0 +1,5 @@
+2
+3
+1 2 3
+5
+4 5 2 1 3
diff --git a/cubesShuffling/main_output0.txt b/cubesShuffling/main_output0.txt
new file mode 100644
index 0000000..980ed86
--- /dev/null
+++ b/cubesShuffling/main_output0.txt
@@ -0,0 +1,4 @@
+Case 1:
+2 1 3
+Case 2: