1 files changed, 27 insertions, 0 deletions

diff --git a/02_sorting_and_searching/apartments_1084.cpp b/02_sorting_and_searching/apartments_1084.cpp
new file mode 100644
index 0000000..b5ee47f
--- /dev/null
+++ b/02_sorting_and_searching/apartments_1084.cpp
@@ -0,0 +1,27 @@
+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+std::vector<int> readn(int n) {
+        std::vector<int> v(n);
+        for (int i = 0; i < n; i++)
+                std::cin >> v[i];
+        return v;
+}
+
+int main() {
+        int n, m, k;
+        std::cin >> n >> m >> k;
+        auto a = readn(n);
+        auto b = readn(m);
+        std::sort(a.begin(), a.end());
+        std::sort(b.begin(), b.end());
+
+        size_t s{0}, i{0}, j{0};
+        while (i < a.size() && j < b.size()) {
+                if (b[j] > a[i] + k) i++;
+                else if (b[j] < a[i] - k) j++;
+                else { s++; i++; j++; }
+        }
+        std::cout << s << "\n";
+}