Download frontier_cs/problems/141/interactor.cc from junlin-modal/frontier-cs: direct link, hf CLI and curl.
- Browser
- Download file 3.37 kB
-
https://huggingface.co/datasets/junlin-modal/frontier-cs/resolve/main/frontier_cs/problems/141/interactor.cc
- Command line
-
hf download hf://datasets/junlin-modal/frontier-cs/frontier_cs/problems/141/interactor.cc
-
curl -L -o interactor.cc https://huggingface.co/datasets/junlin-modal/frontier-cs/resolve/main/frontier_cs/problems/141/interactor.cc
3.37 kB
| int main(int argc, char* argv[]) { | |
| registerInteraction(argc, argv); | |
| int n = inf.readInt(); | |
| int k = inf.readInt(); | |
| std::vector<int> hidden_array(n + 1); | |
| for (int i = 1; i <= n; ++i) { | |
| hidden_array[i] = inf.readInt(); | |
| } | |
| long long ref_cost = ans.readLong(); | |
| println(n, k); | |
| const int MAX_OPERATIONS = 100000; | |
| int query_count = 0; | |
| int reset_count = 0; | |
| std::deque<int> S; // Memory queue | |
| while (true) { | |
| std::string operation = ouf.readToken(); | |
| if (operation == "?") { // Query | |
| query_count++; | |
| if (query_count + reset_count > MAX_OPERATIONS) { | |
| quitp(0.0, "Operation limit exceeded. Max operations: %d. Ratio: 0.0000", MAX_OPERATIONS); | |
| } | |
| int c = ouf.readInt(); | |
| if (c < 1 || c > n) { | |
| quitf(_wa, "Invalid query: bakery index must be between 1 and %d", n); | |
| } | |
| int cake_type = hidden_array[c]; | |
| // Check if cake_type is in S | |
| bool found = false; | |
| for (int val : S) { | |
| if (val == cake_type) { | |
| found = true; | |
| break; | |
| } | |
| } | |
| // Output Y or N | |
| if (found) { | |
| println("Y"); | |
| } else { | |
| println("N"); | |
| } | |
| // Add cake_type to the end of S | |
| S.push_back(cake_type); | |
| // If |S| > k, remove front | |
| if ((int)S.size() > k) { | |
| S.pop_front(); | |
| } | |
| } else if (operation == "R") { // Reset | |
| reset_count++; | |
| if (query_count + reset_count > MAX_OPERATIONS) { | |
| quitp(0.0, "Operation limit exceeded. Max operations: %d. Ratio: 0.0000", MAX_OPERATIONS); | |
| } | |
| // Clear S (no response to contestant) | |
| S.clear(); | |
| } else if (operation == "!") { // Final answer | |
| int d = ouf.readInt(); | |
| if (d < 1 || d > n) { | |
| quitf(_wa, "Invalid answer: d must be between 1 and %d", n); | |
| } | |
| // Calculate the actual number of distinct values | |
| std::set<int> distinct_values; | |
| for (int i = 1; i <= n; ++i) { | |
| distinct_values.insert(hidden_array[i]); | |
| } | |
| int actual_d = distinct_values.size(); | |
| if (d != actual_d) { | |
| quitp(0.0, "Wrong answer: expected %d, got %d. Ratio: 0.0000", actual_d, d); | |
| } | |
| // Calculate cost | |
| long long your_cost = (long long)reset_count * n + query_count + 1; | |
| double score_ratio = std::min(1.0, (double)ref_cost / your_cost); | |
| double unbounded_ratio = (double)ref_cost / your_cost; | |
| quitp(score_ratio, "Correct in %d queries and %d resets. Cost: %lld. Ratio: %.4f, RatioUnbounded: %.4f", | |
| query_count, reset_count, your_cost, score_ratio, unbounded_ratio); | |
| break; | |
| } else { | |
| quitf(_wa, "Invalid operation: expected '?', 'R', or '!', but got '%s'", operation.c_str()); | |
| } | |
| } | |
| return 0; | |
| } |