14 files changed, 65 insertions, 9 deletions
diff --git a/cses/SortingAndSearching/Apartments/main b/cses/SortingAndSearching/Apartments/main
new file mode 100755
index 0000000..946f3f6
--- /dev/null
+++ b/cses/SortingAndSearching/Apartments/main
diff --git a/cses/SortingAndSearching/Apartments/main.cpp b/cses/SortingAndSearching/Apartments/main.cpp
index ce2b1ae..676f338 100644
--- a/cses/SortingAndSearching/Apartments/main.cpp
+++ b/cses/SortingAndSearching/Apartments/main.cpp
@@ -3,22 +3,29 @@
 
 using namespace std;
 
+#define all(x) (x).begin(), (x).end()
+
 int main () {
 	ios_base::sync_with_stdio(false);
 	cin.tie(NULL);
   int n, m, k;
   cin >> n >> m >> k;
-  vector<int> dsz(n);
-  for (auto &x : dsz) cin >> x;
-  vector<int> asz(m);
-  for (auto &x : asz) cin >> x;
   set<int> taken;
-  sort(dsz.begin(), dsz.end());
-  sort(asz.begin(), asz.end());
-  bool mbigger = m > n;
-  if (mbigger) {
-    for (int i = 0; i < m; i++) {
+  vector<int> v(n);
+  vector<int> a(m);
+  for (auto &x : v) cin >> x;
+  for (auto &x : a) cin >> x;
+  sort(all(a));
+  int ans = 0;
+  for (int i = 0; i < n; i++) {
+    auto upper = *upper_bound(all(a), v[i]);
+    auto lower = *lower_bound(all(a), v[i]);
+    cerr << upper << " " << lower << "\n";
+    if(!taken.count(i) && (upper <= v[i] + k || lower >= v[i] - k)) {
+      taken.insert(i);
+      ans++;
     }
   }
+  cout << ans << '\n';
 
 }
diff --git a/cses/SortingAndSearching/Apartments/main_input0.txt b/cses/SortingAndSearching/Apartments/main_input0.txt
new file mode 100644
index 0000000..c2eddfd
--- /dev/null
+++ b/cses/SortingAndSearching/Apartments/main_input0.txt
@@ -0,0 +1,3 @@
+4 3 5
+60 45 80 60
+30 60 75
diff --git a/cses/SortingAndSearching/Apartments/main_output0.txt b/cses/SortingAndSearching/Apartments/main_output0.txt
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/cses/SortingAndSearching/Apartments/main_output0.txt
@@ -0,0 +1 @@
+2
diff --git a/cses/SortingAndSearching/FerrisWheel/main b/cses/SortingAndSearching/FerrisWheel/main
new file mode 100755
index 0000000..65b5df9
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main
diff --git a/cses/SortingAndSearching/FerrisWheel/main.cpp b/cses/SortingAndSearching/FerrisWheel/main.cpp
new file mode 100644
index 0000000..5ad5363
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main.cpp
@@ -0,0 +1,34 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+typedef long long ll;
+typedef pair<int, int> ii;
+typedef vector<ii> vii;
+typedef vector<int> vi;
+
+#define INF 1000000000
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+  int n, x;
+  cin >> n >> x;
+  vi v(n);
+  for (auto &y : v) cin >> y;
+  sort(v.begin(), v.end());
+  int ans = 0;
+  int sum = 0;
+  // 1 2
+  // 1 1 1 1 1 1
+  // 2 3 7 9
+  // 2 5 12 21
+  for (int i = 0; i < n; i++) {
+    sum += v[i];
+    if (sum >= x || v[i] > sum) {
+      sum = 0;
+      ans++;
+    }
+  }
+  cout << ans << '\n';
+}
diff --git a/cses/SortingAndSearching/FerrisWheel/main_input0.txt b/cses/SortingAndSearching/FerrisWheel/main_input0.txt
new file mode 100644
index 0000000..8d443f6
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main_input0.txt
@@ -0,0 +1,2 @@
+4 10
+7 2 3 9
diff --git a/cses/SortingAndSearching/FerrisWheel/main_input1.txt b/cses/SortingAndSearching/FerrisWheel/main_input1.txt
new file mode 100644
index 0000000..78ee919
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main_input1.txt
@@ -0,0 +1 @@
+2 3 5 7 9
+\ No newline at end of file
diff --git a/cses/SortingAndSearching/FerrisWheel/main_input2.txt b/cses/SortingAndSearching/FerrisWheel/main_input2.txt
new file mode 100644
index 0000000..93bab7a
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main_input2.txt
@@ -0,0 +1,2 @@
+4 10
+2 9 11 8
+\ No newline at end of file
diff --git a/cses/SortingAndSearching/FerrisWheel/main_input3.txt b/cses/SortingAndSearching/FerrisWheel/main_input3.txt
new file mode 100644
index 0000000..58a1b3c
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main_input3.txt
@@ -0,0 +1,2 @@
+6 2
+1 1 1 1 1 1
diff --git a/cses/SortingAndSearching/FerrisWheel/main_output0.txt b/cses/SortingAndSearching/FerrisWheel/main_output0.txt
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main_output0.txt
@@ -0,0 +1 @@
+3
diff --git a/cses/SortingAndSearching/FerrisWheel/main_output1.txt b/cses/SortingAndSearching/FerrisWheel/main_output1.txt
new file mode 100644
index 0000000..e440e5c
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main_output1.txt
@@ -0,0 +1 @@
+3
+\ No newline at end of file
diff --git a/cses/SortingAndSearching/FerrisWheel/main_output2.txt b/cses/SortingAndSearching/FerrisWheel/main_output2.txt
new file mode 100644
index 0000000..e440e5c
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main_output2.txt
@@ -0,0 +1 @@
+3
+\ No newline at end of file
diff --git a/cses/SortingAndSearching/FerrisWheel/main_output3.txt b/cses/SortingAndSearching/FerrisWheel/main_output3.txt
new file mode 100644
index 0000000..e440e5c
--- /dev/null
+++ b/cses/SortingAndSearching/FerrisWheel/main_output3.txt
@@ -0,0 +1 @@
+3
+\ No newline at end of file