#include <cstdio>
#include <algorithm>
#include <vector>
#include <deque>
int perm[200 * 1000];
int distances[200 * 1000];
int main() {
int n;
scanf("%d", &n);
for (int i = 0; i < n; i++) {
int j;
scanf("%d", &j);
j -= 1;
perm[i] = j;
}
std::vector<std::vector<int>> edges;
edges.reserve(n);
for (int i = 0; i < n; i++) {
std::vector<int> i_edges;
for (int j = 0; j < i; j++) {
if (perm[i] < perm[j]) {
i_edges.push_back(j);
edges[j].push_back(i);
}
}
edges.push_back(std::move(i_edges));
}
std::deque<int> deq;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
distances[j] = -1;
}
long long int distance_sum = 0;
deq.push_back(i);
distances[i] = 0;
while (!deq.empty()) {
int current = deq.front();
deq.pop_front();
for (int nb : edges[current]) {
if (distances[nb] == -1) {
distances[nb] = distances[current] + 1;
distance_sum += distances[nb];
deq.push_back(nb);
}
}
}
printf("%lld ", distance_sum);
}
putchar('\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 | #include <cstdio> #include <algorithm> #include <vector> #include <deque> int perm[200 * 1000]; int distances[200 * 1000]; int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { int j; scanf("%d", &j); j -= 1; perm[i] = j; } std::vector<std::vector<int>> edges; edges.reserve(n); for (int i = 0; i < n; i++) { std::vector<int> i_edges; for (int j = 0; j < i; j++) { if (perm[i] < perm[j]) { i_edges.push_back(j); edges[j].push_back(i); } } edges.push_back(std::move(i_edges)); } std::deque<int> deq; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { distances[j] = -1; } long long int distance_sum = 0; deq.push_back(i); distances[i] = 0; while (!deq.empty()) { int current = deq.front(); deq.pop_front(); for (int nb : edges[current]) { if (distances[nb] == -1) { distances[nb] = distances[current] + 1; distance_sum += distances[nb]; deq.push_back(nb); } } } printf("%lld ", distance_sum); } putchar('\n'); return 0; } |
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