#include <iostream> #include <vector> #include <algorithm> #include <queue> using namespace std; using ll = long long; const int MAX_N = 200007; int n; int p[MAX_N]; vector<int> graph[MAX_N]; ll dist[MAX_N]; bool vis[MAX_N]; void bfs(int src) { queue<int> q; q.push(src); vis[src] = true; dist[src] = 0; while (!q.empty()) { int sz = q.size(); for (int i = 0; i < sz; i++) { int v = q.front(); q.pop(); for (int j = 0; j < graph[v].size(); j++) { if (!vis[graph[v][j]]) { vis[graph[v][j]] = true; dist[graph[v][j]] = dist[v] + 1; q.push(graph[v][j]); } } } } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n; for (int i = 1; i <= n; i++) cin >> p[i]; for (int i = 1; i <= n; i++) { for (int j = i + 1; j <= n; j++) { if (p[i] > p[j]) { graph[i].push_back(j); graph[j].push_back(i); } } } for (int i = 1; i <= n; i++) { fill(dist, dist + n + 2, 0); fill(vis, vis + n + 2, false); bfs(i); ll s = 0; for (int j = 1; j <= n; j++) { s += dist[j]; } cout << s << ' '; } cout << '\n'; 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 | #include <iostream> #include <vector> #include <algorithm> #include <queue> using namespace std; using ll = long long; const int MAX_N = 200007; int n; int p[MAX_N]; vector<int> graph[MAX_N]; ll dist[MAX_N]; bool vis[MAX_N]; void bfs(int src) { queue<int> q; q.push(src); vis[src] = true; dist[src] = 0; while (!q.empty()) { int sz = q.size(); for (int i = 0; i < sz; i++) { int v = q.front(); q.pop(); for (int j = 0; j < graph[v].size(); j++) { if (!vis[graph[v][j]]) { vis[graph[v][j]] = true; dist[graph[v][j]] = dist[v] + 1; q.push(graph[v][j]); } } } } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n; for (int i = 1; i <= n; i++) cin >> p[i]; for (int i = 1; i <= n; i++) { for (int j = i + 1; j <= n; j++) { if (p[i] > p[j]) { graph[i].push_back(j); graph[j].push_back(i); } } } for (int i = 1; i <= n; i++) { fill(dist, dist + n + 2, 0); fill(vis, vis + n + 2, false); bfs(i); ll s = 0; for (int j = 1; j <= n; j++) { s += dist[j]; } cout << s << ' '; } cout << '\n'; return 0; } |