Submission #1194551

#TimeUsernameProblemLanguageResultExecution timeMemory
1194551aykhnMessage (IOI24_message)C++20
Compilation error
0 ms0 KiB
#include "message.h" #include <bits/stdc++.h> using namespace std; const int B = 3, REV = 0; int o[(1 << B)][31] = {{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30}, {9, 17, 7, 27, 10, 22, 21, 6, 30, 3, 24, 15, 29, 19, 2, 13, 23, 20, 14, 1, 25, 5, 4, 8, 0, 16, 18, 28, 11, 12, 26}, {30, 3, 28, 4, 10, 16, 11, 18, 8, 7, 12, 17, 15, 20, 19, 21, 23, 6, 9, 29, 25, 0, 14, 1, 26, 22, 2, 13, 5, 24, 27}, {22, 24, 26, 1, 9, 14, 27, 23, 21, 5, 3, 0, 4, 30, 18, 11, 19, 28, 15, 29, 7, 20, 13, 10, 8, 2, 17, 16, 6, 12, 25}, {24, 4, 22, 12, 9, 5, 11, 15, 19, 14, 20, 16, 2, 13, 28, 7, 17, 6, 8, 29, 18, 10, 1, 3, 23, 30, 26, 0, 27, 25, 21}, {27, 12, 18, 25, 2, 23, 0, 17, 7, 26, 24, 13, 29, 9, 19, 4, 16, 10, 28, 15, 30, 8, 5, 21, 11, 14, 22, 1, 6, 20, 3}, {11, 6, 3, 21, 0, 15, 13, 26, 29, 16, 19, 18, 14, 7, 8, 27, 10, 30, 9, 2, 12, 4, 17, 23, 22, 28, 24, 25, 1, 20, 5}, {28, 7, 1, 26, 10, 19, 15, 2, 24, 0, 9, 18, 8, 30, 14, 17, 13, 20, 4, 27, 11, 3, 22, 6, 12, 16, 21, 29, 23, 25, 5}, {18, 6, 28, 10, 17, 8, 5, 16, 11, 14, 9, 25, 12, 30, 4, 1, 3, 22, 24, 20, 27, 19, 0, 7, 15, 26, 21, 13, 29, 23, 2}, {18, 9, 11, 12, 23, 25, 24, 3, 28, 27, 4, 14, 15, 26, 30, 29, 0, 5, 19, 17, 22, 1, 16, 10, 8, 20, 21, 2, 7, 6, 13}, {26, 7, 19, 20, 13, 10, 23, 2, 25, 15, 22, 14, 29, 12, 28, 4, 9, 0, 24, 30, 6, 27, 17, 21, 11, 16, 5, 8, 1, 3, 18}, {7, 17, 29, 28, 15, 12, 8, 22, 23, 3, 4, 13, 0, 21, 18, 19, 5, 6, 1, 14, 9, 16, 26, 24, 25, 2, 20, 10, 11, 30, 27}, {0, 21, 27, 20, 26, 8, 15, 19, 6, 24, 29, 3, 30, 16, 22, 1, 7, 18, 4, 28, 12, 23, 9, 17, 5, 2, 10, 13, 11, 14, 25}, {12, 1, 11, 4, 5, 17, 3, 21, 28, 22, 20, 30, 2, 18, 16, 29, 27, 23, 13, 10, 14, 19, 26, 15, 6, 7, 8, 25, 24, 9, 0}, {13, 19, 14, 25, 18, 20, 22, 21, 24, 4, 28, 10, 1, 26, 8, 5, 0, 6, 16, 12, 29, 11, 30, 23, 2, 7, 27, 15, 17, 3, 9}, {12, 20, 3, 11, 5, 2, 28, 23, 22, 17, 30, 4, 27, 14, 9, 25, 26, 0, 18, 6, 15, 29, 8, 19, 10, 16, 13, 1, 21, 7, 24}}; // int o[31] = {9, 17, 7, 27, 10, 22, 21, 6, 30, 3, 24, 15, 29, 19, 2, 13, 23, 20, 14, 1, 25, 5, 4, 8, 0, 16, 18, 28, 11, 12, 26}; int calc(vector<bool> C, int k) { int res = 0; vector<int> unlock; for (int i = 0; i < 31 && unlock.size() < 16;) { if (31 - i == 16 - (int)unlock.size()) { for (int j = i; j < 31; j++) unlock.push_back(o[k][j]); break; } vector<bool> v(31, 0); int j = 0; while (i < 31 && j < unlock.size()) { if (C[o[k][i]] == 0) v[unlock[j]] = 1, unlock.push_back(o[k][i]); else v[unlock[j]] = 0; i++, j++; } if ((31 - i) < (16 - (int)unlock.size()) * 2) { for (int l = i; l < 31; l++) v[o[k][l]] = (C[o[k][i]] == 0); if (C[o[k][i]] == 0) unlock.push_back(o[k][i]); i++; } res++; } return res; } void send_message(vector<bool> M, vector<bool> C) { for (int i = (1 << (B - 1)); REV && i < (1 << B); i++) { for (int j = 0; j < 31; j++) { o[i][j] = o[i - (1 << (B - 1))][j]; } reverse(o[i], o[i] + 31); } int n = M.size(); int cost[(1 << B)]; for (int i = 0; i < (1 << B); i++) cost[i] = calc(C, i); int k = min_element(cost, cost + (1 << B)) - cost; for (int i = 0; i < B; i++) send_packet(vector<bool>(31, k >> i & 1)); vector<int> unlock; for (int i = 0; i < 31 && unlock.size() < 16;) { if (31 - i == 16 - (int)unlock.size()) { for (int j = i; j < 31; j++) unlock.push_back(o[k][j]); break; } vector<bool> v(31, 0); int j = 0; while (i < 31 && j < unlock.size()) { if (C[o[k][i]] == 0) v[unlock[j]] = 1, unlock.push_back(o[k][i]); else v[unlock[j]] = 0; i++, j++; } if ((31 - i) < (16 - (int)unlock.size()) * 2) { for (int l = i; l < 31; l++) v[o[k][l]] = (C[o[k][i]] == 0); if (C[o[k][i]] == 0) unlock.push_back(o[k][i]); i++; } send_packet(v); } { vector<bool> v(31, 0); for (int i = 0; i <= 10; i++) v[unlock[i]] = (n >> i & 1); send_packet(v); } for (int i = 0; i < (n + 15) / 16; i++) { vector<bool> v(31, 0); for (int j = 0; j < 16; j++) { if (i * 16 + j >= n) break; v[unlock[j]] = M[i * 16 + j]; } send_packet(v); } } vector<bool> receive_message(vector<vector<bool>> R) { for (int i = (1 << (B - 1)); REV && i < (1 << B); i++) { for (int j = 0; j < 31; j++) { o[i][j] = o[i - (1 << (B - 1))][j]; } reverse(o[i], o[i] + 31); } vector<int> unlock; int cur = -1; auto nxt = [&]() { return R[++cur]; }; auto get = [&](vector<bool> A) { int cnt = 0; for (auto i : A) cnt += (int)i; return cnt >= 16; }; int k = 0; for (int i = 0; i < B; i++) k |= (get(nxt()) << i); for (int i = 0; i < 31 && unlock.size() < 16;) { if (31 - i == 16 - (int)unlock.size()) { for (int j = i; j < 31; j++) unlock.push_back(o[k][j]); break; } vector<bool> v = nxt(); int j = 0; while (i < 31 && j < unlock.size()) { if (v[unlock[j]] == 1) unlock.push_back(o[k][i]); i++, j++; } vector<int> un(31, 0); for (int j : unlock) un[j] = 1; if ((31 - i) < (16 - (int)unlock.size()) * 2) { int cnt = 0; for (int l = i; l < 31; l++) cnt += (int)v[o[k][l]]; if (cnt >= (16 - (int)unlock.size())) unlock.push_back(o[k][i]); i++; } } vector<bool> sz = nxt(); int n = 0; for (int i = 0; i <= 10; i++) { if (sz[unlock[i]]) n |= (1 << i); } vector<bool> res(n, 0); for (int i = 0; i < (n + 15) / 16; i++) { vector<bool> v = nxt(); for (int j = 0; j < 16; j++) { if (i * 16 + j >= n) break; res[i * 16 + j] = v[unlock[j]]; } } return res; }

Compilation message (stderr)

message.cpp:24:115: error: too many initializers for 'int [8][31]'
   24 | {12, 20, 3, 11, 5, 2, 28, 23, 22, 17, 30, 4, 27, 14, 9, 25, 26, 0, 18, 6, 15, 29, 8, 19, 10, 16, 13, 1, 21, 7, 24}};
      |                                                                                                                   ^