开始计概A下半学期。

cs101/2025mid/exam_2025mid_02_mock_exam.cpp

@@ -0,0 +1,34 @@
+#include <algorithm>
+#include <array>
+#include <iostream>
+#include <vector>
+
+constexpr std::size_t MAX_N = 1001;
+int students_amount, task_per_student, total_days;
+std::array<std::array<bool, MAX_N>, MAX_N> arrangements;
+
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    std::cin.tie(nullptr);
+
+    std::cin >> students_amount >> task_per_student >> total_days;
+    for (int _ = 0; _ < students_amount; _++) {
+        for (int i = 0; i < task_per_student; i++) {
+            int day;
+            std::cin >> day;
+            arrangements[day][i] = true;
+        }
+    }
+
+    bool first = true;
+    for (int i = 1; i <= total_days; i++) {
+        if (!first) { std::cout << ' '; }
+        std::cout << std::count(arrangements[i].begin(), arrangements[i].end(), true);
+        first = false;
+    }
+
+    std::cout << std::endl;
+
+    return 0;
+}