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제출 #765559

#제출 시각아이디문제언어결과실행 시간메모리
765559pandapythoner앨리스, 밥, 서킷 (APIO23_abc)C++17
100 / 100
1707 ms1397656 KiB
#include "abc.h" // you may find the definitions useful const int OP_ZERO = 0; // f(OP_ZERO, x0, x1) = 0 const int OP_NOR = 1; // f(OP_NOR, x0, x1) = !(x0 || x1) const int OP_GREATER = 2; // f(OP_GREATER, x0, x1) = (x0 > x1) const int OP_NOT_X1 = 3; // f(OP_NOT_X1, x0, x1) = !x1 const int OP_LESS = 4; // f(OP_LESS, x0, x1) = (x0 < x1) const int OP_NOT_X0 = 5; // f(OP_NOT_X0, x0, x1) = !x0 const int OP_XOR = 6; // f(OP_XOR, x0, x1) = (x0 ^ x1) const int OP_NAND = 7; // f(OP_NAND, x0, x1) = !(x0 && x1) const int OP_AND = 8; // f(OP_AND, x0, x1) = (x0 && x1) const int OP_EQUAL = 9; // f(OP_EQUAL, x0, x1) = (x0 == x1) const int OP_X0 = 10; // f(OP_X0, x0, x1) = x0 const int OP_GEQ = 11; // f(OP_GEQ, x0, x1) = (x0 >= x1) const int OP_X1 = 12; // f(OP_X1, x0, x1) = x1 const int OP_LEQ = 13; // f(OP_LEQ, x0, x1) = (x0 <= x1) const int OP_OR = 14; // f(OP_OR, x0, x1) = (x0 || x1) const int OP_ONE = 15; // f(OP_ONE, x0, x1) = 1 #include <bits/stdc++.h> using namespace std; #define ll long long const int bts = 16; const int name_bts = 19; int encode_name(const char *name) { int rs = 0; int t = 1; for (int len = 1;; len += 1) { t *= 26; if (name[len] == 0) { ll f = 0; for (int i = 0; i < len; i += 1) { f = f * 26 + (name[i] - 'a'); } rs += f; break; } rs += t; } return rs; } // Alice int // returns la alice( /* in */ const int n, /* in */ const char names[][5], /* in */ const unsigned short numbers[], /* out */ bool outputs_alice[]) { if (n == 0) { outputs_alice[0] = 0; return 1; } int sz = n * (name_bts + bts); int t = 0; vector<pair<int, int>> srtd(n); for (int i = 0; i < n; i += 1) { int e = encode_name(names[i]); int num = numbers[i]; srtd[i] = make_pair(e, num); } // sort(srtd.begin(), srtd.end()); for (int i = 0; i < n; i += 1) { int e = srtd[i].first; for (int j = 0; j < name_bts; j += 1) { outputs_alice[t + j] = ((e >> j) & 1); } t += name_bts; } for (int i = 0; i < n; i += 1) { int e = srtd[i].second; for (int j = 0; j < bts; j += 1) { outputs_alice[t + j] = ((e >> j) & 1); } t += bts; } return sz; } // Bob int // returns lb bob( /* in */ const int m, /* in */ const char senders[][5], /* in */ const char recipients[][5], /* out */ bool outputs_bob[]) { int sz = m * (name_bts + name_bts); int t = 0; vector<pair<int, int>> srtd(m); for (int i = 0; i < m; i += 1) { int sndr = encode_name(senders[i]); int rcpnt = encode_name(recipients[i]); srtd[i] = make_pair(sndr, rcpnt); } sort(srtd.begin(), srtd.end()); for (int i = 0; i < m; i += 1) { int e = srtd[i].first; for (int j = 0; j < name_bts; j += 1) { outputs_bob[t + j] = ((e >> j) & 1); } t += name_bts; } for (int i = 0; i < m; i += 1) { int e = srtd[i].second; for (int j = 0; j < name_bts; j += 1) { outputs_bob[t + j] = ((e >> j) & 1); } t += name_bts; } return sz; } vector<int> operator+(const vector<int> &a, const vector<int> &b) { vector<int> c; for (auto x : a) { c.push_back(x); } for (auto x : b) { c.push_back(x); } return c; } int c = 0; vector<int> operations; vector<vector<int>> operands; int add_operation(int op_type, int op1, int op2) { operations.push_back(op_type); operands.push_back(vector<int>({op1, op2})); c += 1; return c - 1; } int check_equal(vector<int> a, vector<int> b) { int d = add_operation(OP_XOR, a[0], b[0]); for (int i = 1; i < (int)a.size(); i += 1) { int t = add_operation(OP_XOR, a[i], b[i]); d = add_operation(OP_OR, d, t); } d = add_operation(OP_NOT_X0, d, d); return d; } vector<int> get_if_equal(vector<int> a, vector<int> b, vector<int> num) { int d = add_operation(OP_XOR, a[0], b[0]); for (int i = 1; i < (int)a.size(); i += 1) { int t = add_operation(OP_XOR, a[i], b[i]); d = add_operation(OP_OR, d, t); } d = add_operation(OP_NOT_X0, d, d); vector<int> rs(num.size()); for (int i = 0; i < (int)num.size(); i += 1) { rs[i] = add_operation(OP_AND, d, num[i]); } return rs; } pair<int, int> add_bits(int x, int y, int z = -1) { int t = add_operation(OP_XOR, x, y); int nxt = add_operation(OP_AND, x, y); if (z != -1) { nxt = add_operation(OP_AND, x, y); nxt = add_operation(OP_OR, nxt, add_operation(OP_AND, t, z)); t = add_operation(OP_XOR, t, z); } return make_pair(t, nxt); } vector<int> add_numbers(vector<int> a, vector<int> b) { int nxt = -1; vector<int> rs(a.size()); for (int i = 0; i < (int)a.size(); i += 1) { auto [x, new_nxt] = add_bits(a[i], b[i], nxt); nxt = new_nxt; rs[i] = x; } return rs; } vector<int> get_or(vector<int> a, vector<int> b) { vector<int> rs(a.size()); for (int i = 0; i < (int)a.size(); i += 1) { rs[i] = add_operation(OP_OR, a[i], b[i]); } return rs; } vector<int> get_zero(int sz) { vector<int> rs(sz); for (int i = 0; i < sz; i += 1) { rs[i] = add_operation(OP_ZERO, 0, 0); } return rs; } int condition_get(int c, int a, int b) { int x = add_operation(OP_GREATER, a, c); int y = add_operation(OP_AND, b, c); int z = add_operation(OP_XOR, x, y); return z; } vector<int> condition_get(int c, vector<int> a, vector<int> b) { int sz = a.size(); vector<int> rs(sz); for (int i = 0; i < sz; i += 1) { rs[i] = condition_get(c, a[i], b[i]); } return rs; } int compare(vector<int> a, vector<int> b, int sz) { int rs = add_operation(OP_ZERO, 0, 0); for (int i = 0; i < sz; i += 1) { int cond = add_operation(OP_XOR, a[i], b[i]); int new_rs = condition_get(cond, rs, b[i]); rs = new_rs; } return rs; } pair<int, int> condition_swap(int c, int a, int b) { int new_a = condition_get(c, a, b); int x = add_operation(OP_XOR, a, b); int new_b = add_operation(OP_XOR, new_a, x); return make_pair(new_a, new_b); } pair<vector<int>, vector<int>> condition_swap(int c, vector<int> a, vector<int> b) { int sz = a.size(); vector<int> new_a(sz), new_b(sz); for (int i = 0; i < sz; i += 1) { auto [x, y] = condition_swap(c, a[i], b[i]); new_a[i] = x; new_b[i] = y; } return make_pair(new_a, new_b); } vector<int> merge(vector<int> a, vector<int> b, vector<vector<int>> &arr, vector<pair<int, pair<int, int>>> &way, int comp_sz) { if (a.empty()) { return b; } if (b.empty()) { return a; } if (a.size() == 1 && b.size() == 1) { int s = a[0]; int t = b[0]; int x = compare(arr[t], arr[s], comp_sz); way.push_back(make_pair(x, make_pair(s, t))); auto [new_arr_s, new_arr_t] = condition_swap(x, arr[s], arr[t]); arr[s] = new_arr_s; arr[t] = new_arr_t; return {a[0], b[0]}; } vector<int> alo, ahi; vector<int> blo, bhi; for (int i = 0; i < (int)a.size(); i += 1) { if (i % 2 == 0) { alo.push_back(a[i]); } else { ahi.push_back(a[i]); } } for (int i = 0; i < (int)b.size(); i += 1) { if (i % 2 == 0) { blo.push_back(b[i]); } else { bhi.push_back(b[i]); } } vector<int> x = merge(alo, blo, arr, way, comp_sz); vector<int> y = merge(ahi, bhi, arr, way, comp_sz); vector<int> c; int i = 0; int j = 0; while (i < (int)x.size() || j < (int)y.size()) { if (i < (int)x.size()) { c.push_back(x[i]); i += 1; } if (j < (int)y.size()) { c.push_back(y[j]); j += 1; } } int nd = c.size(); if (nd % 2 == 0) { // nd -= 1; } for (int i = 1; i + 1 < nd; i += 2) { int s = c[i]; int t = c[i + 1]; int x = compare(arr[t], arr[s], comp_sz); way.push_back(make_pair(x, make_pair(s, t))); auto [new_arr_s, new_arr_t] = condition_swap(x, arr[s], arr[t]); arr[s] = new_arr_s; arr[t] = new_arr_t; } return c; } void go_back(vector<vector<int>> &arr, vector<pair<int, pair<int, int>>> &way) { for (int i = (int)way.size() - 1; i >= 0; i -= 1) { auto [x, st] = way[i]; auto [s, t] = st; auto [new_arr_s, new_arr_t] = condition_swap(x, arr[s], arr[t]); arr[s] = new_arr_s; arr[t] = new_arr_t; } } void go_forward(vector<vector<int>> &arr, vector<pair<int, pair<int, int>>> &way) { for (int i = 0; i < (int)way.size(); i += 1) { auto [x, st] = way[i]; auto [s, t] = st; auto [new_arr_s, new_arr_t] = condition_swap(x, arr[s], arr[t]); arr[s] = new_arr_s; arr[t] = new_arr_t; } } vector<int> sort(vector<int> x, vector<vector<int>> &arr, vector<pair<int, pair<int, int>>> &way, int comp_sz) { if (x.size() <= 1) { return x; } int sz = (int)x.size(); vector<int> a, b; for (int i = 0; i < sz; i += 1) { if (i < sz / 2) { a.push_back(x[i]); } else { b.push_back(x[i]); } } a = sort(a, arr, way, comp_sz); b = sort(b, arr, way, comp_sz); vector<int> srtd = merge(a, b, arr, way, comp_sz); return srtd; } // Circuit int // returns l circuit( /* in */ const int la, /* in */ const int lb, /* out */ int _operations[], /* out */ int _operands[][2], /* out */ int outputs_circuit[][16]) { int n = la / (bts + name_bts); int m = lb / (name_bts + name_bts); int t = 0; vector<vector<int>> names; for (int i = 0; i < n; i += 1) { vector<int> f(name_bts); for (int j = 0; j < name_bts; j += 1) { f[j] = t + j; } t += name_bts; names.push_back(f); } vector<vector<int>> numbers; for (int i = 0; i < n; i += 1) { vector<int> f(bts); for (int j = 0; j < bts; j += 1) { f[j] = t + j; } t += bts; numbers.push_back(f); } vector<vector<int>> senders; for (int i = 0; i < m; i += 1) { vector<int> f(name_bts); for (int j = 0; j < name_bts; j += 1) { f[j] = t + j; } t += name_bts; senders.push_back(f); } vector<vector<int>> recipients; for (int i = 0; i < m; i += 1) { vector<int> f(name_bts); for (int j = 0; j < name_bts; j += 1) { f[j] = t + j; } t += name_bts; recipients.push_back(f); } c = t; operations.clear(); operands.clear(); vector<pair<int, pair<int, int>>> names_way; vector<int> names_srtd(n); for (int i = 0; i < n; i += 1) { names_srtd[i] = i; } names_srtd = sort(names_srtd, names, names_way, name_bts); go_forward(numbers, names_way); vector<vector<int>> senders_nums(m); if (0) { for (int i = 0; i < m; i += 1) { vector<int> num = get_zero(bts); for (int j = 0; j < n; j += 1) { num = get_or(num, get_if_equal(senders[i], names[names_srtd[j]], numbers[names_srtd[j]])); } senders_nums[i] = num; } } else { int zero = add_operation(OP_ZERO, 0, 0); int one = add_operation(OP_ONE, 0, 0); vector<vector<int>> a(n + m); vector<vector<int>> b(n + m); vector<int> x(n), y(m); for (int i = 0; i < n; i += 1) { x[i] = i; a[i] = names[names_srtd[i]]; a[i].insert(a[i].begin(), zero); b[i] = numbers[names_srtd[i]]; } for (int i = 0; i < m; i += 1) { y[i] = n + i; a[n + i] = senders[i]; a[n + i].insert(a[n + i].begin(), one); b[n + i] = vector<int>(bts, zero); } vector<pair<int, pair<int, int>>> way; vector<int> srtd; srtd = merge(x, y, a, way, name_bts + 1); go_forward(b, way); for (int i = 0; i + 1 < n + m; i += 1) { int pos1 = srtd[i]; int pos2 = srtd[i + 1]; vector<int> x = a[pos1]; vector<int> y = a[pos2]; x.erase(x.begin()); y.erase(y.begin()); int e = check_equal(x, y); b[pos2] = condition_get(e, b[pos2], b[pos1]); } go_back(b, way); for (int i = 0; i < m; i += 1) { senders_nums[i] = b[n + i]; } } vector<vector<int>> results(n); if (0) { for (int i = 0; i < n; i += 1) { vector<int> num = get_zero(bts); for (int j = 0; j < m; j += 1) { auto summand = get_if_equal(names[names_srtd[i]], recipients[j], senders_nums[j]); num = add_numbers(num, summand); } results[names_srtd[i]] = num; } } else { vector<int> rec_sorted(m); for (int i = 0; i < m; i += 1) { rec_sorted[i] = i; } vector<pair<int, pair<int, int>>> rec_way; rec_sorted = sort(rec_sorted, recipients, rec_way, name_bts); go_forward(senders_nums, rec_way); int zero = add_operation(OP_ZERO, 0, 0); int one = add_operation(OP_ONE, 0, 0); vector<vector<int>> a(n + m); vector<vector<int>> b(n + m); vector<int> x(n), y(m); for (int i = 0; i < n; i += 1) { x[i] = i; a[i] = names[names_srtd[i]]; a[i].insert(a[i].begin(), one); b[i] = vector<int>(bts, zero); } for (int i = 0; i < m; i += 1) { y[i] = n + i; a[n + i] = recipients[rec_sorted[i]]; a[n + i].insert(a[n + i].begin(), zero); b[n + i] = senders_nums[rec_sorted[i]]; } vector<pair<int, pair<int, int>>> way; vector<int> srtd; srtd = merge(x, y, a, way, name_bts + 1); go_forward(b, way); for (int i = 0; i + 1 < n + m; i += 1) { int pos1 = srtd[i]; int pos2 = srtd[i + 1]; vector<int> x = a[pos1]; vector<int> y = a[pos2]; x.erase(x.begin()); y.erase(y.begin()); int e = check_equal(x, y); auto summ = add_numbers(b[pos1], b[pos2]); b[pos2] = condition_get(e, b[pos2], summ); } go_back(b, way); for (int i = 0; i < n; i += 1) { results[names_srtd[i]] = b[i]; } } go_back(results, names_way); for (int i = 0; i < (int)operations.size(); i += 1) { _operations[i + la + lb] = operations[i]; for (int j = 0; j < 2; j += 1) { _operands[i + la + lb][j] = operands[i][j]; } } for (int i = 0; i < n; i += 1) { for (int j = 0; j < bts; j += 1) { outputs_circuit[i][j] = results[i][j]; } } return c; }
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