1 files changed, 40 insertions, 0 deletions

diff --git a/2024/14/day14a.cpp b/2024/14/day14a.cpp
new file mode 100644
index 0000000..dff0ae9
--- /dev/null
+++ b/2024/14/day14a.cpp
@@ -0,0 +1,40 @@
+#include <algorithm>
+#include <cstdint>
+#include <iostream>
+#include <map>
+#include <ranges>
+#include <set>
+#include <sstream>
+#include <string>
+#include <string_view>
+#include <vector>
+using namespace std;
+
+#define N 101
+#define M 103
+#define T 100
+
+int quadrant(pair<int64_t, int64_t> p) {
+        if (p.first < N/2 && p.second < M/2)
+                return 1;
+        if (p.first < N/2 && p.second > M/2)
+                return 2;
+        if (p.first > N/2 && p.second < M/2)
+                return 3;
+        if (p.first > N/2 && p.second > M/2)
+                return 4;
+        return 0;
+}
+
+int main() {
+        string line;
+        int64_t p1, p2, v1, v2, q[5] = {0};
+        while (cin >> p1 >> p2 >> v1 >> v2) {
+                pair<int64_t, int64_t> final((p1 + T*(v1+N)) % N, (p2 + T*(v2+M)) % M);
+                q[quadrant(final)]++;
+        }
+
+        cout << q[1] * q[2] * q[3] * q[4] << endl;
+
+        return 0;
+}