結果
問題 | No.5015 Escape from Labyrinth |
ユーザー | Yu_212 |
提出日時 | 2023-04-16 17:27:20 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,994 ms / 3,000 ms |
コード長 | 20,437 bytes |
コンパイル時間 | 7,469 ms |
コンパイル使用メモリ | 295,312 KB |
実行使用メモリ | 43,952 KB |
スコア | 161,680 |
最終ジャッジ日時 | 2023-04-16 17:30:44 |
合計ジャッジ時間 | 202,306 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge16 |
純コード判定しない問題か言語 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2,889 ms
32,356 KB |
testcase_01 | AC | 2,910 ms
33,332 KB |
testcase_02 | AC | 2,886 ms
35,984 KB |
testcase_03 | AC | 722 ms
31,644 KB |
testcase_04 | AC | 707 ms
27,908 KB |
testcase_05 | AC | 1,395 ms
38,808 KB |
testcase_06 | AC | 2,903 ms
34,936 KB |
testcase_07 | AC | 2,885 ms
30,388 KB |
testcase_08 | AC | 901 ms
33,892 KB |
testcase_09 | AC | 2,892 ms
35,628 KB |
testcase_10 | AC | 1,134 ms
34,584 KB |
testcase_11 | AC | 2,910 ms
34,312 KB |
testcase_12 | AC | 2,890 ms
30,840 KB |
testcase_13 | AC | 1,338 ms
43,952 KB |
testcase_14 | AC | 876 ms
42,472 KB |
testcase_15 | AC | 1,229 ms
34,680 KB |
testcase_16 | AC | 2,885 ms
36,360 KB |
testcase_17 | AC | 2,891 ms
36,728 KB |
testcase_18 | AC | 2,866 ms
34,200 KB |
testcase_19 | AC | 2,866 ms
32,700 KB |
testcase_20 | AC | 2,864 ms
34,000 KB |
testcase_21 | AC | 2,895 ms
36,860 KB |
testcase_22 | AC | 2,883 ms
32,664 KB |
testcase_23 | AC | 872 ms
32,680 KB |
testcase_24 | AC | 928 ms
33,792 KB |
testcase_25 | AC | 2,864 ms
32,000 KB |
testcase_26 | AC | 963 ms
30,828 KB |
testcase_27 | AC | 2,867 ms
39,520 KB |
testcase_28 | AC | 2,860 ms
32,800 KB |
testcase_29 | AC | 2,867 ms
36,476 KB |
testcase_30 | AC | 2,863 ms
34,992 KB |
testcase_31 | AC | 2,863 ms
31,620 KB |
testcase_32 | AC | 946 ms
37,088 KB |
testcase_33 | AC | 850 ms
31,600 KB |
testcase_34 | AC | 2,863 ms
35,776 KB |
testcase_35 | AC | 1,176 ms
38,268 KB |
testcase_36 | AC | 1,083 ms
37,512 KB |
testcase_37 | AC | 2,866 ms
42,908 KB |
testcase_38 | AC | 2,861 ms
40,324 KB |
testcase_39 | AC | 791 ms
35,476 KB |
testcase_40 | AC | 1,132 ms
33,800 KB |
testcase_41 | AC | 2,869 ms
34,536 KB |
testcase_42 | AC | 2,862 ms
37,524 KB |
testcase_43 | AC | 2,864 ms
32,068 KB |
testcase_44 | AC | 906 ms
36,876 KB |
testcase_45 | AC | 1,231 ms
39,264 KB |
testcase_46 | AC | 2,861 ms
37,216 KB |
testcase_47 | AC | 1,092 ms
34,064 KB |
testcase_48 | AC | 999 ms
39,468 KB |
testcase_49 | AC | 820 ms
34,712 KB |
testcase_50 | AC | 1,096 ms
33,928 KB |
testcase_51 | AC | 2,892 ms
34,096 KB |
testcase_52 | AC | 1,021 ms
34,956 KB |
testcase_53 | AC | 2,866 ms
34,376 KB |
testcase_54 | AC | 863 ms
37,544 KB |
testcase_55 | AC | 2,867 ms
36,760 KB |
testcase_56 | AC | 1,078 ms
38,588 KB |
testcase_57 | AC | 2,862 ms
35,756 KB |
testcase_58 | AC | 2,862 ms
34,644 KB |
testcase_59 | AC | 596 ms
32,188 KB |
testcase_60 | AC | 1,024 ms
34,136 KB |
testcase_61 | AC | 1,035 ms
32,896 KB |
testcase_62 | AC | 960 ms
33,664 KB |
testcase_63 | AC | 908 ms
35,364 KB |
testcase_64 | AC | 761 ms
33,208 KB |
testcase_65 | AC | 2,861 ms
35,216 KB |
testcase_66 | AC | 1,021 ms
33,784 KB |
testcase_67 | AC | 1,026 ms
35,328 KB |
testcase_68 | AC | 2,890 ms
33,884 KB |
testcase_69 | AC | 971 ms
35,800 KB |
testcase_70 | AC | 2,889 ms
38,352 KB |
testcase_71 | AC | 1,262 ms
38,644 KB |
testcase_72 | AC | 968 ms
34,960 KB |
testcase_73 | AC | 833 ms
35,680 KB |
testcase_74 | AC | 781 ms
35,540 KB |
testcase_75 | AC | 950 ms
33,572 KB |
testcase_76 | AC | 1,182 ms
42,412 KB |
testcase_77 | AC | 777 ms
33,184 KB |
testcase_78 | AC | 2,887 ms
38,860 KB |
testcase_79 | AC | 932 ms
33,152 KB |
testcase_80 | AC | 1,145 ms
34,668 KB |
testcase_81 | AC | 694 ms
28,528 KB |
testcase_82 | AC | 1,106 ms
31,024 KB |
testcase_83 | AC | 2,865 ms
32,816 KB |
testcase_84 | AC | 908 ms
39,300 KB |
testcase_85 | AC | 2,861 ms
31,980 KB |
testcase_86 | AC | 2,890 ms
37,992 KB |
testcase_87 | AC | 2,861 ms
34,932 KB |
testcase_88 | AC | 2,867 ms
35,212 KB |
testcase_89 | AC | 926 ms
36,120 KB |
testcase_90 | AC | 2,868 ms
33,004 KB |
testcase_91 | AC | 809 ms
30,860 KB |
testcase_92 | AC | 1,219 ms
43,340 KB |
testcase_93 | AC | 2,918 ms
40,892 KB |
testcase_94 | AC | 2,957 ms
37,924 KB |
testcase_95 | AC | 1,044 ms
34,652 KB |
testcase_96 | AC | 1,331 ms
36,156 KB |
testcase_97 | AC | 1,061 ms
36,228 KB |
testcase_98 | AC | 2,994 ms
37,416 KB |
testcase_99 | AC | 1,044 ms
36,544 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> // #include "atcoder/all" using namespace std; using i64 = long long; const i64 MOD = 1e9 + 7; const i64 INF = i64(1e18); template <typename T> bool chmin(T& x, T y){ if(x > y){ x = y; return true; } return false; } template <typename T> bool chmax(T& x, T y){ if(x < y){ x = y; return true; } return false; } double elapsed_time(timespec& time_st){ timespec time_now; clock_gettime(CLOCK_REALTIME, &time_now); return (time_now.tv_sec - time_st.tv_sec) + (time_now.tv_nsec - time_st.tv_nsec) / 1000000000.0; } struct Rnd{ uint64_t x; Rnd(uint64_t seed) : x(0xdeadbeef0110dead ^ seed) { } uint64_t rnd(){ x ^= x << 7; x ^= x >> 9; return x; } uint64_t rnd(int n){ return rnd() % n; } double rnd_double(){ return 1.0 * rnd() / numeric_limits<uint64_t>::max(); } vector<int> rnd_perm(int n){ vector<int> v(n); iota(v.begin(), v.end(), 0); for(int i = n - 1; i >= 1; --i){ int j = rnd(i + 1); swap(v[i], v[j]); } return v; } template<typename T> void shuffle(vector<T>& v){ int n = v.size(); for(int i = n - 1; i >= 1; --i){ int j = rnd(i + 1); swap(v[i], v[j]); } } }; // #define OPTIMIZE namespace params{ void load_params(){ ifstream ifs("../params.txt"); assert(ifs.is_open()); } } void read_file(istream& ifs){ // TODO: input } clock_t st; void solve(){ constexpr int K = 60; int n, damage, hp_max; cin >> n >> damage >> hp_max; vector<string> s(n); vector<vector<int>> v(n, vector<int>(n, 0)); vector<int> dx = {0, 1, 0, -1}; vector<int> dy = {1, 0, -1, 0}; // 0: . // 1: # // 2: J (jewel) // 3: F (fire?) // 4: E (detecter) int sx, sy, ex, ey, kx, ky; vector<pair<pair<int,int>, int>> detectors; vector<pair<int,int>> jewels_; for(int i = 0; i < n; ++i){ cin >> s[i]; for(int j = 0; j < n; ++j){ if(s[i][j] == '.'){ v[i][j] = 0; } else if(s[i][j] == '#'){ v[i][j] = 1; } else if(s[i][j] == 'S'){ sx = i; sy = j; } else if(s[i][j] == 'G'){ ex = i; ey = j; } else if(s[i][j] == 'K'){ kx = i; ky = j; } else if(s[i][j] == 'J'){ v[i][j] = 2; jewels_.emplace_back(i, j); } else if(s[i][j] == 'F'){ v[i][j] = 3; } else if(s[i][j] == 'E'){ v[i][j] = 4; } } } vector<pair<int,int>> jewels; jewels.emplace_back(sx, sy); jewels.emplace_back(kx, ky); jewels.emplace_back(ex, ey); for(auto& p : jewels_){ jewels.emplace_back(p); } int num_detectors; cin >> num_detectors; for(int i = 0; i < num_detectors; ++i){ int x, y, d; cin >> x >> y >> d; detectors.emplace_back(make_pair(x, y), d); } auto is_jewel = [&](int x, int y){ return v[x][y] == 2; }; auto is_wall = [&](int x, int y){ if(x < 0 || y < 0 || x >= n || y >= n){ return true; } return v[x][y] == 1 || v[x][y] == 4; }; vector<vector<vector<int>>> damage_vec(n, vector<vector<int>>(n, vector<int>(K, 0))); vector<vector<int>> damage_sum(n, vector<int>(n, 0)); for(auto [p, interval] : detectors){ for(int d = 0; d < 4; ++d){ auto [x, y] = p; do{ // for(int i = interval - 1; i < K; i += interval){ for(int i = 0; i < K; i += interval){ damage_vec[x][y][i] += damage; } damage_sum[x][y] += damage * K / interval; x += dx[d]; y += dy[d]; }while(!is_wall(x, y)); } } int m = jewels.size(); // dijkstra by average damage vector<vector<double>> dist_ave(m, vector<double>(m, MOD)); vector<vector<vector<int>>> table_move(m, vector<vector<int>>(m)); auto connected = [&](int x, int y){ return dist_ave[x][y] < 1e9; }; for(int jewel_idx = 0; jewel_idx < m; ++jewel_idx){ // dijkstra auto [jx, jy] = jewels[jewel_idx]; vector<vector<double>> dist(n, vector<double>(n, MOD)); vector<vector<int>> prev(n, vector<int>(n, -1)); priority_queue<pair<double,pair<int,int>>, vector<pair<double,pair<int,int>>>, greater<>> que; dist[jx][jy] = 0; que.emplace(0, make_pair(jx, jy)); while(!que.empty()){ auto [now_dist, p] = que.top(); auto [x, y] = p; que.pop(); if(now_dist != dist[x][y]){ continue; } for(int d = 0; d < 4; ++d){ int nx = x + dx[d]; int ny = y + dy[d]; if(is_wall(nx, ny)){ continue; } if(chmin(dist[nx][ny], now_dist + 1.0 * damage_sum[nx][ny] / K + 1)){ prev[nx][ny] = d; que.emplace(dist[nx][ny], make_pair(nx, ny)); } } } for(int i = 0; i < m; ++i){ dist_ave[jewel_idx][i] = dist[jewels[i].first][jewels[i].second]; int x = jewels[i].first; int y = jewels[i].second; if(prev[x][y] == -1){ continue; } vector<int> moves; while(x != jx || y != jy){ int d = prev[x][y]; moves.emplace_back(prev[x][y]); x += dx[d ^ 2]; y += dy[d ^ 2]; } reverse(moves.begin(), moves.end()); table_move[jewel_idx][i] = moves; } } auto simulate = [&](vector<int>& moves){ int x = sx, y = sy; bool key = false; int turn = 1; int damage = 0; int jewel = 0; set<pair<int,int>> jew; for(auto d : moves){ if(d < 4){ x += dx[d], y += dy[d]; } ++damage; damage += damage_vec[x][y][turn % 60]; if(is_jewel(x, y) && !jew.count(make_pair(x, y))){ ++jewel; jew.emplace(x, y); } ++turn; assert(!is_wall(x, y)); if(x == kx && y == ky){ key = true; } } assert(x == ex && y == ey); assert(key); return make_pair(jewel, damage); }; auto output = [&](vector<int>& moves){ for(auto d : moves){ // cout << dx[d] << " " << dy[d] << " " << "RDLU"[d] << endl; if(d < 4){ cout << "M " << "RDLU"[d] << endl; } else{ cout << "S" << endl; } } }; Rnd rn(0); auto get_moves = [&](vector<int>& route){ assert(route.front() == 0); assert(route.back() == 2); vector<int> moves; for(int i = 0; i < route.size() - 1; ++i){ auto [x, y] = jewels[route[i]]; for(auto d : table_move[route[i]][route[i + 1]]){ x += dx[d]; y += dy[d]; moves.emplace_back(d); } assert(make_pair(x, y) == jewels[route[i + 1]]); } return moves; }; auto get_optimal_moves = [&](vector<int>& route){ auto moves = get_moves(route); vector<vector<int>> dp(moves.size() + 1, vector<int>(60, MOD)); vector<vector<int>> pre(moves.size() + 1, vector<int>(60, MOD)); int x = sx, y = sy; int su = 0; for(int i = 0; i < 60; ++i){ dp[0][i] = su; su += damage_vec[x][y][(i + 1) % 60] + 1; } for(int i = 0; i < moves.size(); ++i){ int d = moves[i]; int nx = x + dx[d]; int ny = y + dy[d]; auto v = dp[i]; vector<int> v_pre(60); iota(v_pre.begin(), v_pre.end(), 0); for(int j = 0; j < 120; ++j){ if(chmin(v[(j + 1) % 60], v[j % 60] + damage_vec[x][y][(j + 1) % 60] + 1)){ v_pre[(j + 1) % 60] = v_pre[j % 60]; } } for(int j = 0; j < 60; ++j){ dp[i + 1][(j + 1) % 60] = v[j] + damage_vec[nx][ny][(j + 1) % 60] + 1; pre[i + 1][(j + 1) % 60] = v_pre[j]; } x = nx; y = ny; } int j = distance(dp.back().begin(), min_element(dp.back().begin(), dp.back().end())); vector<int> mods{j}; for(int i = moves.size() - 1; i >= 0; --i){ int pre_j = pre[i + 1][j]; j = pre_j; mods.emplace_back(j); } reverse(mods.begin(), mods.end()); vector<int> res; for(int i = 0; i < mods[0]; ++i){ // wait res.emplace_back(5); } assert(moves.size() + 1 == mods.size()); for(int i = 0; i < mods.size() - 1; ++i){ int cn = 0; for(int j_ = mods[i]; (j_ + 1) % 60 != mods[i + 1]; ++j_){ ++cn; res.emplace_back(5); } res.emplace_back(moves[i]); } return res; }; auto get_damage = [&](vector<int>& route){ array<int, 60> dp{}; array<int, 60> nex{}; int x = sx, y = sy; int su = 0; for(int i = 0; i < 60; ++i){ dp[i] = su; su += damage_vec[x][y][(i + 1) % 60] + 1; } auto moves = get_moves(route); for(auto d : moves){ int nx = x + dx[d]; int ny = y + dy[d]; assert(!is_wall(x, y)); assert(!is_wall(nx, ny)); for(int i = 0; i < 120; ++i){ chmin(dp[(i + 1) % 60], dp[i % 60] + damage_vec[x][y][(i + 1) % 60] + 1); } for(int i = 0; i < 60; ++i){ nex[(i + 1) % 60] = dp[i] + damage_vec[nx][ny][(i + 1) % 60] + 1; } x = nx; y = ny; swap(dp, nex); } // auto moves_ = get_optimal_moves(route); // auto [sc, dam] = simulate(moves_); // assert(*min_element(dp.begin(), dp.end()) == dam); return *min_element(dp.begin(), dp.end()); }; clock_t mid = clock(); double mid_elapsed = 1.0 * (mid - st) / CLOCKS_PER_SEC; constexpr double TIME_MAX = 2.8; auto sa = [&](vector<int>& route, vector<int>& fl, double& dist_sum){ while(true){ double tim = 1.0 * (clock() - mid) / CLOCKS_PER_SEC; double per = tim / (TIME_MAX - mid_elapsed); if(per >= 1.0){ break; } // erase != add vector<pair<double, int>> erase_adv; for(int erase_pos = 1; erase_pos < route.size() - 2; ++erase_pos){ int x = route[erase_pos - 1]; int y = route[erase_pos]; int z = route[erase_pos + 1]; if(y == 1){ continue; } erase_adv.emplace_back(dist_ave[x][y] + dist_ave[y][z] - dist_ave[x][z], erase_pos); } vector<tuple<double, int, int>> add_adv; for(int add_pos = 1; add_pos < route.size() - 2; ++add_pos){ int x = route[add_pos - 1]; int y = route[add_pos]; for(int j = 3; j < jewels.size(); ++j){ if(fl[j]){ continue; } if(!connected(x, j) || !connected(j, y)){ continue; } double adv = dist_ave[x][y] - dist_ave[x][j] - dist_ave[j][y]; add_adv.emplace_back(adv, add_pos, j); } } constexpr size_t T = 10000; int te = min(erase_adv.size(), T); int ta = min(add_adv.size(), T); // nth_element(erase_adv.begin(), erase_adv.begin() + te, erase_adv.end(), greater<>()); // nth_element(add_adv.begin(), add_adv.begin() + ta, add_adv.end(), greater<>()); sort(erase_adv.begin(), erase_adv.end(), greater<>()); sort(add_adv.begin(), add_adv.end(), greater<>()); tuple<double,int,int,int> bes(-INF, 0, 0, 0); for(int i = 0; i < te; ++i){ auto [e_val, erase_pos] = erase_adv[i]; for(int j = 0; j < ta; ++j){ auto [a_val, add_pos, add_elm] = add_adv[j]; if(e_val + a_val < get<0>(bes)){ break; } if(erase_pos == add_pos || erase_pos + 1 == add_pos){ continue; } chmax(bes, make_tuple(e_val + a_val, erase_pos, add_pos, add_elm)); } } auto [adv, erase_pos, add_pos, add_elm] = bes; if(adv < 0){ return false; } fl[route[erase_pos]] = false; fl[add_elm] = true; dist_sum -= dist_ave[route[erase_pos - 1]][route[erase_pos]]; dist_sum -= dist_ave[route[erase_pos]][route[erase_pos + 1]]; dist_sum += dist_ave[route[erase_pos - 1]][route[erase_pos + 1]]; dist_sum += dist_ave[route[add_pos - 1]][add_elm]; dist_sum += dist_ave[add_elm][route[add_pos]]; dist_sum -= dist_ave[route[add_pos - 1]][route[add_pos]]; route.erase(route.begin() + erase_pos); if(erase_pos < add_pos){ --add_pos; } route.insert(route.begin() + add_pos, add_elm); { if(dist_sum < hp_max){ return true; } } } return false; }; auto sa2 = [&](vector<int>& route, vector<int>& fl, double& dist_sum){ // cout << "sa2" << endl; auto now_damage = get_damage(route); if(now_damage < hp_max){ return true; } /* // TODO: koko iranai kamo while(true){ // cout << "sa2 iter" << endl; double tim = 1.0 * (clock() - mid) / CLOCKS_PER_SEC; double per = tim / (TIME_MAX - mid_elapsed); if(per >= 1.0){ break; } // erase != add vector<pair<double, int>> erase_adv; for(int erase_pos = 1; erase_pos < route.size() - 2; ++erase_pos){ int x = route[erase_pos - 1]; int y = route[erase_pos]; int z = route[erase_pos + 1]; if(y == 1){ continue; } erase_adv.emplace_back(dist_ave[x][y] + dist_ave[y][z] - dist_ave[x][z], erase_pos); } vector<tuple<double, int, int>> add_adv; for(int add_pos = 1; add_pos < route.size() - 2; ++add_pos){ int x = route[add_pos - 1]; int y = route[add_pos]; for(int j = 3; j < jewels.size(); ++j){ if(fl[j]){ continue; } if(!connected(x, j) || !connected(j, y)){ continue; } double adv = dist_ave[x][y] - dist_ave[x][j] - dist_ave[j][y]; add_adv.emplace_back(adv, add_pos, j); } } constexpr size_t T = 3; int te = min(erase_adv.size(), T); int ta = min(add_adv.size(), T); nth_element(erase_adv.begin(), erase_adv.begin() + te, erase_adv.end(), greater<>()); nth_element(add_adv.begin(), add_adv.begin() + ta, add_adv.end(), greater<>()); // sort(erase_adv.begin(), erase_adv.end(), greater<>()); // sort(add_adv.begin(), add_adv.end(), greater<>()); tuple<int,int,int,int> bes(MOD, 0, 0, 0); for(int i = 0; i < te; ++i){ auto [e_val, erase_pos] = erase_adv[i]; for(int j = 0; j < ta; ++j){ auto [a_val, add_pos, add_elm] = add_adv[j]; if(e_val + a_val < get<0>(bes)){ break; } if(erase_pos == add_pos || erase_pos + 1 == add_pos){ continue; } // TODO fl[route[erase_pos]] = false; fl[add_elm] = true; auto nex_route = route; nex_route.erase(nex_route.begin() + erase_pos); if(erase_pos < add_pos){ --add_pos; } nex_route.insert(nex_route.begin() + add_pos, add_elm); auto nex_damage = get_damage(nex_route); if(now_damage < nex_damage){ // NG } else{ // OK chmin(bes, make_tuple(nex_damage, erase_pos, add_pos, add_elm)); } } } if(get<0>(bes) < now_damage){ auto [nex_damage, erase_pos, add_pos, add_elm] = bes; now_damage = nex_damage; fl[route[erase_pos]] = false; fl[add_elm] = true; route.erase(route.begin() + erase_pos); if(erase_pos < add_pos){ --add_pos; } route.insert(route.begin() + add_pos, add_elm); if(nex_damage < hp_max){ // cout << "OK: " << route.size() << endl; return true; } } } */ return false; }; vector<int> fl(jewels.size(), 0); fl[0] = fl[1] = fl[2] = true; for(int i = 1; i <= 10; ++i){ fl[i * 10] = true; } vector<int> route{0, 10, 20, 30, 40, 50, 1, 60, 70, 80, 90, 100, 2}; double dist_sum = 0; for(int i = 0; i < route.size() - 1; ++i){ dist_sum += dist_ave[route[i]][route[i + 1]]; } auto bef = route; while(true){ if(sa(route, fl, dist_sum) || sa2(route, fl, dist_sum)){ auto moves = get_optimal_moves(route); auto [sc, dam] = simulate(moves); // cout << route.size() << ": " << sc << " " << dam << endl; bef = route; if(route.size() == jewels.size()){ break; } while(true){ int pos = rn.rnd(route.size() - 2) + 1; int add = rn.rnd(jewels.size() - 2) + 2; if(!connected(route[pos - 1], add) || !connected(add, route[pos])){ continue; } if(fl[add]){ continue; } else{ dist_sum -= dist_ave[route[pos - 1]][route[pos]]; dist_sum += dist_ave[route[pos - 1]][add]; dist_sum += dist_ave[add][route[pos]]; route.insert(route.begin() + pos, add); fl[add] = true; break; } } } else{ route = bef; break; } } sa2(route, fl, dist_sum); auto moves = get_optimal_moves(route); output(moves); auto [sc, dam] = simulate(moves); clog << "turn: " << moves.size() << endl; clog << "score: " << sc << endl; clog << "damage: " << dam << endl; } signed main(){ st = clock(); #ifdef OPTIMIZE params::load_params(); #endif #ifndef HAND read_file(cin); #else ifstream ifs("./tools/in/0000.txt"); assert(ifs.is_open()); read_file(ifs); #endif solve(); }