#include <bits/stdc++.h> using namespace std; using LL = long long; #define FOR(i, l, r) for (auto 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 // Global variables int nverts; vector<vector<int>> adj; void input(); int main() { cin.tie(0)->sync_with_stdio(0); input(); FOR(start, 1, nverts) { int sum = 0; deque<pair<int, int>> q({{start, 0}}); vector<bool> visited(nverts + 1); visited[start] = true; while(!q.empty()) { auto v = q.back(); q.pop_back(); for (auto neigh : adj[v.first]) if (!visited[neigh]) { sum += v.second + 1; visited[neigh] = true; q.push_front({neigh, v.second + 1}); } } cout << sum << " "; } cout << "\n"; return 0; } void input() { cin >> nverts; vector<int> X2(nverts + 1); // X2 of given X1 adj.resize(nverts + 1); FOR (X1, 1, nverts) cin >> X2[X1]; // Construct the graph FOR (v, 1, nverts) FOR (neigh, v + 1, nverts) if (X2[neigh] < X2[v]) { adj[v].push_back(neigh); adj[neigh].push_back(v); } }
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 | #include <bits/stdc++.h> using namespace std; using LL = long long; #define FOR(i, l, r) for (auto 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 // Global variables int nverts; vector<vector<int>> adj; void input(); int main() { cin.tie(0)->sync_with_stdio(0); input(); FOR(start, 1, nverts) { int sum = 0; deque<pair<int, int>> q({{start, 0}}); vector<bool> visited(nverts + 1); visited[start] = true; while(!q.empty()) { auto v = q.back(); q.pop_back(); for (auto neigh : adj[v.first]) if (!visited[neigh]) { sum += v.second + 1; visited[neigh] = true; q.push_front({neigh, v.second + 1}); } } cout << sum << " "; } cout << "\n"; return 0; } void input() { cin >> nverts; vector<int> X2(nverts + 1); // X2 of given X1 adj.resize(nverts + 1); FOR (X1, 1, nverts) cin >> X2[X1]; // Construct the graph FOR (v, 1, nverts) FOR (neigh, v + 1, nverts) if (X2[neigh] < X2[v]) { adj[v].push_back(neigh); adj[neigh].push_back(v); } } |