Initial commit

1 files changed, 29 insertions, 0 deletions

diff --git a/11_sliding_window_problems/sliding_window_minimum_3221.cpp b/11_sliding_window_problems/sliding_window_minimum_3221.cpp
new file mode 100644
index 0000000..ef7485a
--- /dev/null
+++ b/11_sliding_window_problems/sliding_window_minimum_3221.cpp
@@ -0,0 +1,29 @@
+#include <algorithm>
+#include <deque>
+#include <iostream>
+#include <vector>
+
+int main() {
+        long long n, k, x, a, b, c;
+        std::cin >> n >> k >> x >> a >> b >> c;
+
+        std::vector<long long> v(k);
+        std::deque<long long> q;
+        for (long long i = 0; i < k; i++) {
+                v[i] = x;
+                while (!q.empty() && q.back() >= x) q.pop_back();
+                q.push_back(x);
+                x = (a*x + b) % c;
+        }
+
+        long long sol = q.front();
+        for (long long i = 0; i < n-k; i++) {
+                if (q.front() == v[i%k]) q.pop_front();
+                v[i%k] = (a*v[(i-1+k)%k] + b) % c;
+                while (!q.empty() && q.back() >= v[i%k]) q.pop_back();
+                q.push_back(v[i%k]);
+                sol ^= q.front();
+        }
+
+        std::cout << sol << "\n";
+}