1 files changed, 38 insertions, 0 deletions

diff --git a/02_sorting_and_searching/room_allocation_1164.cpp b/02_sorting_and_searching/room_allocation_1164.cpp
new file mode 100644
index 0000000..f79cc96
--- /dev/null
+++ b/02_sorting_and_searching/room_allocation_1164.cpp
@@ -0,0 +1,38 @@
+#include <algorithm>
+#include <iostream>
+#include <queue>
+#include <tuple>
+#include <vector>
+
+int main() {
+        int n;
+        std::vector<std::tuple<int, int, int>> v;
+        std::cin >> n;
+        for (int i = 0; i < n; i++) {
+                int a, b;
+                std::cin >> a >> b;
+                v.push_back({a, b, i});
+        }
+        std::sort(v.begin(), v.end());
+
+        using P = std::pair<int, int>;
+        std::priority_queue<P, std::vector<P>, std::greater<>> r;
+        std::vector<int> al(n);
+        for (auto [a, d, i] : v) {
+                int ind = r.size()+1;
+                if (!r.empty()) {
+                        auto [x, j] = r.top();
+                        if (a > x) {
+                                r.pop();
+                                ind = j;
+                        }
+                }
+                r.push({d, ind});
+                al[i] = ind;
+        }
+
+        std::cout << r.size() << "\n";
+        for (auto i : al)
+                std::cout << i << " ";
+        std::cout << "\n";
+}