#ifndef NDEBUG #ifdef EMBE_DEBUG #include "embe-debug.hpp" #else #define NDEBUG #endif #endif #ifdef NDEBUG #define LOG_INDENT(...) do {} while (false) #define LOG(...) do {} while (false) #define DUMP(...) do {} while (false) #endif #include <iostream> #include <vector> #include <map> #include <cassert> #include <ranges> using namespace std; #include "dzilib.h" namespace { long long mod(long long a, long long b) { if (a >= 0) return a % b; return (a % b + b) % b; } map<long long, long long> cache; long long cached_ask(long long x) { if (cache.contains(x)) return cache[x]; return cache[x] = Ask(x); } bool is_prime(int x) { if (x < 2) return false; for (int d = 2; d <= x / d; ++d) { if (x % d == 0) return false; } return true; } long long find(long long offset, long long skip, int count, int exp) { int div = exp + 1; bool fast = skip > (1LL << 20) && is_prime(div); int repeats = 0; vector<long long> cnts; auto start = offset; while (true) { ++repeats; vector<long long> candidates; for (int i = 0; i < count; ++i) { // DUMP(offset + i * skip + debug_peek()); auto cur = offset + i * skip; auto cnt = cached_ask(cur); // DUMP(exp); // DUMP(cnt); cnts.push_back(cnt); // if (skip >= (1LL << 20) && exp < 22 && cnt % 23 == 0) { // DUMP(23 - exp); // assert((cur + debug_peek()) % (1LL << 22) == 0); // return cur + (1LL << exp); // } // if (skip >= (1LL << 20) && exp < 28 && cnt % 29 == 0) { // DUMP(29 - exp); // return cur + (1LL << exp); // } if (cnt % div == 0) { candidates.emplace_back(cur); } if (fast && !candidates.empty()) return candidates[0]; } assert(!candidates.empty()); if (candidates.size() == 1) { if (repeats > 1) { DUMP(start, start+debug_peek(), skip, count, exp, candidates, cnts, repeats, (offset - start) / skip); } return candidates.front(); } offset += skip * 13; if (candidates.size() == 2) { offset = candidates[candidates.size() - 2] + skip; } } } void jump(long long& offset, int& exp, int to) { int jump = to - exp; assert((debug_peek() + offset) % (1LL << exp) == 0); offset = find(offset, 1LL << exp, 2 << jump, exp + jump); exp += jump; offset += (1LL << exp); ++exp; } long long solve(long long n, long long c) { cache.clear(); // long long offset = c * 4 / 5 - 320; // long long offset = 3*3*3*3*5*5*5*5 + 1; // long long offset = 6983776800 + 1; // long long offset = 1444035528936000 + 1; long long offset = 0; int exp = 0; // while ((debug_peek() + offset) % 8 != 0) ++offset; exp = 3; jump(offset, exp, 2); while ((1LL << exp) < n) { jump(offset, exp, exp + 1); } auto res = mod(-offset, (1LL << exp)); if (res == 0) res = n; DUMP(cache.size()); return res; } } int main() { iostream::sync_with_stdio(false); cin.tie(nullptr); int t = GetT(); long long c = GetC(); long long n = GetN(); for (int i = 0; i < t; ++i) { Answer(solve(n, c)); } return 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | #ifndef NDEBUG #ifdef EMBE_DEBUG #include "embe-debug.hpp" #else #define NDEBUG #endif #endif #ifdef NDEBUG #define LOG_INDENT(...) do {} while (false) #define LOG(...) do {} while (false) #define DUMP(...) do {} while (false) #endif #include <iostream> #include <vector> #include <map> #include <cassert> #include <ranges> using namespace std; #include "dzilib.h" namespace { long long mod(long long a, long long b) { if (a >= 0) return a % b; return (a % b + b) % b; } map<long long, long long> cache; long long cached_ask(long long x) { if (cache.contains(x)) return cache[x]; return cache[x] = Ask(x); } bool is_prime(int x) { if (x < 2) return false; for (int d = 2; d <= x / d; ++d) { if (x % d == 0) return false; } return true; } long long find(long long offset, long long skip, int count, int exp) { int div = exp + 1; bool fast = skip > (1LL << 20) && is_prime(div); int repeats = 0; vector<long long> cnts; auto start = offset; while (true) { ++repeats; vector<long long> candidates; for (int i = 0; i < count; ++i) { // DUMP(offset + i * skip + debug_peek()); auto cur = offset + i * skip; auto cnt = cached_ask(cur); // DUMP(exp); // DUMP(cnt); cnts.push_back(cnt); // if (skip >= (1LL << 20) && exp < 22 && cnt % 23 == 0) { // DUMP(23 - exp); // assert((cur + debug_peek()) % (1LL << 22) == 0); // return cur + (1LL << exp); // } // if (skip >= (1LL << 20) && exp < 28 && cnt % 29 == 0) { // DUMP(29 - exp); // return cur + (1LL << exp); // } if (cnt % div == 0) { candidates.emplace_back(cur); } if (fast && !candidates.empty()) return candidates[0]; } assert(!candidates.empty()); if (candidates.size() == 1) { if (repeats > 1) { DUMP(start, start+debug_peek(), skip, count, exp, candidates, cnts, repeats, (offset - start) / skip); } return candidates.front(); } offset += skip * 13; if (candidates.size() == 2) { offset = candidates[candidates.size() - 2] + skip; } } } void jump(long long& offset, int& exp, int to) { int jump = to - exp; assert((debug_peek() + offset) % (1LL << exp) == 0); offset = find(offset, 1LL << exp, 2 << jump, exp + jump); exp += jump; offset += (1LL << exp); ++exp; } long long solve(long long n, long long c) { cache.clear(); // long long offset = c * 4 / 5 - 320; // long long offset = 3*3*3*3*5*5*5*5 + 1; // long long offset = 6983776800 + 1; // long long offset = 1444035528936000 + 1; long long offset = 0; int exp = 0; // while ((debug_peek() + offset) % 8 != 0) ++offset; exp = 3; jump(offset, exp, 2); while ((1LL << exp) < n) { jump(offset, exp, exp + 1); } auto res = mod(-offset, (1LL << exp)); if (res == 0) res = n; DUMP(cache.size()); return res; } } int main() { iostream::sync_with_stdio(false); cin.tie(nullptr); int t = GetT(); long long c = GetC(); long long n = GetN(); for (int i = 0; i < t; ++i) { Answer(solve(n, c)); } return 0; } |