#include <bits/stdc++.h> bool best_value[7'004]; struct Jelly { long long weight, price; Jelly(long long weight, long long price) : weight(weight), price(price) {} bool operator==(const Jelly & other) const { return weight == other.weight && price == other.price; } Jelly & operator=(const Jelly & other) { weight = other.weight; price = other.price; return *this; } }; struct Hash { inline size_t operator()(const Jelly & jelly) const { return static_cast<size_t>(jelly.weight ^ jelly.price); } }; struct Cmp { bool operator()( const std::pair<long long, long long> & a, const std::pair<long long, long long> & b) const { return a.second < b.second; } }; long long n, k, m; std::unordered_set<Jelly, Hash> JellySet[7'004]; long long m_output[7'004][2]; bool usable[7'004][2]; long long output[7'004]; std::multiset<std::pair<long long, long long>, Cmp> pq; int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(NULL); std::cout.tie(NULL); for (int i = 0; i < 7'004; ++i) { for (int j = 0; j < 2; ++j) { m_output[i][j] = LONG_LONG_MAX; } } std::cin >> n >> k >> m; for (int i = 0; i < n; i++) { long long color, weight, price; std::cin >> color >> weight >> price; auto newJelly = Jelly(weight, price); JellySet[color].insert(newJelly); } for (int i = 1; i <= k; ++i) { if (JellySet[i].empty()) { std::cout << 0 << std::endl; for (int j = 1; j < m; ++j) { std::cout << -1 << std::endl; } return 0; } } for (auto & jelly : JellySet[1]) { if (m_output[jelly.weight % m][1] > jelly.price) { usable[jelly.weight % m][1] = true; m_output[jelly.weight % m][1] = jelly.price; } } for (int i = 2; i <= k; ++i) { for (int j = 0; j < m; ++j) { usable[j][i % 2] = false; m_output[j][i % 2] = LONG_LONG_MAX; } for (auto & jelly : JellySet[i]) { for (int j = 0; j < m; ++j) { if (usable[j][(i - 1) % 2]) { long long newWeight = (j + jelly.weight) % m; if (m_output[newWeight][i % 2] == LONG_LONG_MAX) { usable[newWeight][i % 2] = true; m_output[newWeight][i % 2] = m_output[j][(i - 1) % 2] + jelly.price; } else if (m_output[newWeight][i % 2] > m_output[j][(i - 1) % 2] + jelly.price) { m_output[newWeight][i % 2] = m_output[j][(i - 1) % 2] + jelly.price; } } } } } for (int i = 0; i < m; ++i) { m_output[i][0] = m_output[i][k % 2]; } for (int i = 0; i < m; ++i) { m_output[i][1] = LONG_LONG_MAX; } for (int i = 1; i < m; ++i) { if (m_output[i][0] != LONG_LONG_MAX) { pq.insert({i, m_output[i][0]}); } } int i = 0; while (!pq.empty()){ auto [idx, value] = *pq.begin(); pq.erase(pq.begin()); if (best_value[idx]) { continue; } best_value[idx] = true; for (int j = 0; j < m; ++j) { m_output[j][(i + 1) % 2] = m_output[j][i % 2]; } for (int j = 0; j < m; ++j) { if (m_output[j][i % 2] == LONG_LONG_MAX) { continue; } long long newWeight = (j + idx) % m; long long newValue = m_output[j][i % 2] + value; if (m_output[newWeight][(i + 1) % 2] > newValue) { m_output[newWeight][(i + 1) % 2] = newValue; pq.insert({newWeight, newValue}); } } ++i; } std::cout << 0; for (int x = 1; x < m; ++x) { std::cout << '\n' << (m_output[x][i % 2] == LONG_LONG_MAX ? -1 : m_output[x][i % 2]); } std::cout << std::endl; 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | #include <bits/stdc++.h> bool best_value[7'004]; struct Jelly { long long weight, price; Jelly(long long weight, long long price) : weight(weight), price(price) {} bool operator==(const Jelly & other) const { return weight == other.weight && price == other.price; } Jelly & operator=(const Jelly & other) { weight = other.weight; price = other.price; return *this; } }; struct Hash { inline size_t operator()(const Jelly & jelly) const { return static_cast<size_t>(jelly.weight ^ jelly.price); } }; struct Cmp { bool operator()( const std::pair<long long, long long> & a, const std::pair<long long, long long> & b) const { return a.second < b.second; } }; long long n, k, m; std::unordered_set<Jelly, Hash> JellySet[7'004]; long long m_output[7'004][2]; bool usable[7'004][2]; long long output[7'004]; std::multiset<std::pair<long long, long long>, Cmp> pq; int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(NULL); std::cout.tie(NULL); for (int i = 0; i < 7'004; ++i) { for (int j = 0; j < 2; ++j) { m_output[i][j] = LONG_LONG_MAX; } } std::cin >> n >> k >> m; for (int i = 0; i < n; i++) { long long color, weight, price; std::cin >> color >> weight >> price; auto newJelly = Jelly(weight, price); JellySet[color].insert(newJelly); } for (int i = 1; i <= k; ++i) { if (JellySet[i].empty()) { std::cout << 0 << std::endl; for (int j = 1; j < m; ++j) { std::cout << -1 << std::endl; } return 0; } } for (auto & jelly : JellySet[1]) { if (m_output[jelly.weight % m][1] > jelly.price) { usable[jelly.weight % m][1] = true; m_output[jelly.weight % m][1] = jelly.price; } } for (int i = 2; i <= k; ++i) { for (int j = 0; j < m; ++j) { usable[j][i % 2] = false; m_output[j][i % 2] = LONG_LONG_MAX; } for (auto & jelly : JellySet[i]) { for (int j = 0; j < m; ++j) { if (usable[j][(i - 1) % 2]) { long long newWeight = (j + jelly.weight) % m; if (m_output[newWeight][i % 2] == LONG_LONG_MAX) { usable[newWeight][i % 2] = true; m_output[newWeight][i % 2] = m_output[j][(i - 1) % 2] + jelly.price; } else if (m_output[newWeight][i % 2] > m_output[j][(i - 1) % 2] + jelly.price) { m_output[newWeight][i % 2] = m_output[j][(i - 1) % 2] + jelly.price; } } } } } for (int i = 0; i < m; ++i) { m_output[i][0] = m_output[i][k % 2]; } for (int i = 0; i < m; ++i) { m_output[i][1] = LONG_LONG_MAX; } for (int i = 1; i < m; ++i) { if (m_output[i][0] != LONG_LONG_MAX) { pq.insert({i, m_output[i][0]}); } } int i = 0; while (!pq.empty()){ auto [idx, value] = *pq.begin(); pq.erase(pq.begin()); if (best_value[idx]) { continue; } best_value[idx] = true; for (int j = 0; j < m; ++j) { m_output[j][(i + 1) % 2] = m_output[j][i % 2]; } for (int j = 0; j < m; ++j) { if (m_output[j][i % 2] == LONG_LONG_MAX) { continue; } long long newWeight = (j + idx) % m; long long newValue = m_output[j][i % 2] + value; if (m_output[newWeight][(i + 1) % 2] > newValue) { m_output[newWeight][(i + 1) % 2] = newValue; pq.insert({newWeight, newValue}); } } ++i; } std::cout << 0; for (int x = 1; x < m; ++x) { std::cout << '\n' << (m_output[x][i % 2] == LONG_LONG_MAX ? -1 : m_output[x][i % 2]); } std::cout << std::endl; return 0; } |