#include "testlib.h" #include using namespace std; static const int N = 30; static const int Q = 1000; struct Input { int h[N][N - 1]; int v[N - 1][N]; int si[Q], sj[Q], ti[Q], tj[Q]; int a[Q]; double e[Q]; }; int main(int argc, char* argv[]) { registerInteraction(argc, argv); Input in; // Read map edges for (int i = 0; i < N; i++) { for (int j = 0; j < N - 1; j++) { in.h[i][j] = inf.readInt(); } } for (int i = 0; i < N - 1; i++) { for (int j = 0; j < N; j++) { in.v[i][j] = inf.readInt(); } } // Read queries and precomputed a_k and noise e_k for (int k = 0; k < Q; k++) { in.si[k] = inf.readInt(); in.sj[k] = inf.readInt(); in.ti[k] = inf.readInt(); in.tj[k] = inf.readInt(); in.a[k] = inf.readInt(); in.e[k] = inf.readDouble(); } auto trim_str = [](const string &s) -> string { size_t l = 0, r = s.size(); while (l < r && isspace((unsigned char)s[l])) l++; while (r > l && isspace((unsigned char)s[r - 1])) r--; return s.substr(l, r - l); }; auto compute_path_length = [&](int k, const string &path, vector> &visited) -> long long { int pi = in.si[k], pj = in.sj[k]; long long sum = 0; for (char c : path) { if (visited[pi][pj] == k) quitf(_wa, "visiting (%d,%d) twice (query %d)", pi, pj, k + 1); visited[pi][pj] = k; if (c == 'U') { if (pi == 0) quitf(_wa, "going outside the map (query %d)", k + 1); pi -= 1; sum += in.v[pi][pj]; } else if (c == 'L') { if (pj == 0) quitf(_wa, "going outside the map (query %d)", k + 1); pj -= 1; sum += in.h[pi][pj]; } else if (c == 'D') { if (pi == N - 1) quitf(_wa, "going outside the map (query %d)", k + 1); sum += in.v[pi][pj]; pi += 1; } else if (c == 'R') { if (pj == N - 1) quitf(_wa, "going outside the map (query %d)", k + 1); sum += in.h[pi][pj]; pj += 1; } else { quitf(_wa, "unexpected char: '%c' (query %d)", c, k + 1); } } if (!(pi == in.ti[k] && pj == in.tj[k])) { quitf(_wa, "not an s-t path (query %d)", k + 1); } return sum; }; vector> visited(N, vector(N, -1)); vector b(Q, 0); double score_sum = 0.0; for (int k = 0; k < Q; k++) { // Send s_k and t_k to contestant cout << in.si[k] << " " << in.sj[k] << " " << in.ti[k] << " " << in.tj[k] << endl; // Read non-empty line with the path string path; do { path = ouf.readLine(); path = trim_str(path); } while (path.empty()); long long bk = compute_path_length(k, path, visited); if (in.a[k] > bk) { quitf(_fail, "internal error: a_k (%d) > b_k (%lld) at query %d", in.a[k], bk, k + 1); } b[k] = bk; // Respond with noisy length long long feedback = llround((long double)bk * in.e[k]); cout << feedback << endl; // Update scores score_sum = score_sum * 0.998 + (double)in.a[k] / (double)bk; } long long score = llround(2312311.0 * score_sum); long long baseline_value = ans.readLong(); long long best_value = ans.readLong(); double score_ratio = max(0.0, min(1.0, (double)(score - baseline_value) / (best_value - baseline_value))); double unbounded_ratio = max(0.0, (double)(score - baseline_value) / (best_value - baseline_value)); quitp(score_ratio, "Value: %lld. Ratio: %.4f, RatioUnbounded: %.4f", score, score_ratio, unbounded_ratio); return 0; }