#include <bits/stdc++.h> using namespace std; using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define ssize(x) int(x.size()) template<class A, class B> auto &operator<<(ostream &o, pair<A, B> p) { return o << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &o, T x) -> decltype(x.end(), o) { o << '{'; int i = 0; for (auto e : x) o << (", ")+2*!i++ << e; return o << '}'; } #ifdef DEBUG #define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n'; #else #define debug(...) {} #endif int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); constexpr LL inf = (LL) (1e18 + 3); int n, k, m; int x, y, z, r, idx; LL c; cin >> n >> k >> m; vector<vector<pair<int, int>>> cols(k + 1); REP(i, n) { cin >> x >> y >> z; if (y == m) y = 0; cols[x].emplace_back(y, z); } vector<vector<LL>> dp(k + 1, vector<LL>(m, inf)); dp[0][0] = 0; FOR(i, 1, k) { for (auto [wgt, cst] : cols[i]) { idx = wgt; REP(j, m) { dp[i][idx] = min(dp[i][idx], dp[i - 1][j] + cst); idx++; if (idx == m) idx = 0; } } } vector<pair<int, LL>> av; FOR(i, 1, m - 1) { if (dp[k][i] != inf) av.emplace_back(i, dp[k][i]); } auto dijkstra = [&]() { priority_queue<pair<LL, int>, vector<pair<LL, int>>, greater<>> q; vector<LL> dis(m, inf); vector<bool> vis(m); dis[0] = 0; q.push({0, 0}); while (!q.empty()) { auto [cst, rst] = q.top(); q.pop(); if (vis[rst]) continue; vis[rst] = true; for (auto &[rst2, cst2] : av) { r = rst + rst2; c = cst + cst2; if (r >= m) r -= m; if (c < dis[r]) { dis[r] = c; q.push({c, r}); } } } REP(i, m) cout << (dis[i] == inf ? -1 : dis[i]) << '\n'; }; dijkstra(); 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 | #include <bits/stdc++.h> using namespace std; using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define ssize(x) int(x.size()) template<class A, class B> auto &operator<<(ostream &o, pair<A, B> p) { return o << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &o, T x) -> decltype(x.end(), o) { o << '{'; int i = 0; for (auto e : x) o << (", ")+2*!i++ << e; return o << '}'; } #ifdef DEBUG #define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n'; #else #define debug(...) {} #endif int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); constexpr LL inf = (LL) (1e18 + 3); int n, k, m; int x, y, z, r, idx; LL c; cin >> n >> k >> m; vector<vector<pair<int, int>>> cols(k + 1); REP(i, n) { cin >> x >> y >> z; if (y == m) y = 0; cols[x].emplace_back(y, z); } vector<vector<LL>> dp(k + 1, vector<LL>(m, inf)); dp[0][0] = 0; FOR(i, 1, k) { for (auto [wgt, cst] : cols[i]) { idx = wgt; REP(j, m) { dp[i][idx] = min(dp[i][idx], dp[i - 1][j] + cst); idx++; if (idx == m) idx = 0; } } } vector<pair<int, LL>> av; FOR(i, 1, m - 1) { if (dp[k][i] != inf) av.emplace_back(i, dp[k][i]); } auto dijkstra = [&]() { priority_queue<pair<LL, int>, vector<pair<LL, int>>, greater<>> q; vector<LL> dis(m, inf); vector<bool> vis(m); dis[0] = 0; q.push({0, 0}); while (!q.empty()) { auto [cst, rst] = q.top(); q.pop(); if (vis[rst]) continue; vis[rst] = true; for (auto &[rst2, cst2] : av) { r = rst + rst2; c = cst + cst2; if (r >= m) r -= m; if (c < dis[r]) { dis[r] = c; q.push({c, r}); } } } REP(i, m) cout << (dis[i] == inf ? -1 : dis[i]) << '\n'; }; dijkstra(); return 0; } |