#include <bits/stdc++.h> #define LLINF 100000000000000007 using namespace std; typedef long long ll; typedef string str; template <typename T> using vec = vector<T>; int n, N; vec<ll> seg_tree; void init(); void inc(int cur, int left, int right, int lOb, int rOb) { if(left == lOb && right == rOb) { seg_tree[cur]++; return; } int mid = (lOb + rOb) / 2; if(right <= mid) return inc(cur * 2, left, right, lOb, mid); if(left > mid) return inc(cur * 2 + 1, left, right, mid + 1, rOb); inc(cur * 2, left, mid, lOb, mid); inc(cur * 2 + 1, mid + 1, right, mid + 1, rOb); } ll get(int v) { v += N; ll sum = 0; while(v > 0) { sum += seg_tree[v]; v /= 2; } return sum; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); cin>>n; str s; cin>>s; int rc = 0; init(); for(int i = 0; i < n; i++) { if(s[i] == 'P') rc++; else { if(rc > 0) inc(1, i - rc + 1, i + 1, 1, N); if((i - rc + 2) <= i) inc(1, i - rc + 2, i, 1, N); } } for(int i = 0; i < n; i++) cout<<get(i)<<" "; cout.flush(); } void init() { N = 1; while(N < n) N *= 2; seg_tree = vec<ll>(2 * N, 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 | #include <bits/stdc++.h> #define LLINF 100000000000000007 using namespace std; typedef long long ll; typedef string str; template <typename T> using vec = vector<T>; int n, N; vec<ll> seg_tree; void init(); void inc(int cur, int left, int right, int lOb, int rOb) { if(left == lOb && right == rOb) { seg_tree[cur]++; return; } int mid = (lOb + rOb) / 2; if(right <= mid) return inc(cur * 2, left, right, lOb, mid); if(left > mid) return inc(cur * 2 + 1, left, right, mid + 1, rOb); inc(cur * 2, left, mid, lOb, mid); inc(cur * 2 + 1, mid + 1, right, mid + 1, rOb); } ll get(int v) { v += N; ll sum = 0; while(v > 0) { sum += seg_tree[v]; v /= 2; } return sum; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); cin>>n; str s; cin>>s; int rc = 0; init(); for(int i = 0; i < n; i++) { if(s[i] == 'P') rc++; else { if(rc > 0) inc(1, i - rc + 1, i + 1, 1, N); if((i - rc + 2) <= i) inc(1, i - rc + 2, i, 1, N); } } for(int i = 0; i < n; i++) cout<<get(i)<<" "; cout.flush(); } void init() { N = 1; while(N < n) N *= 2; seg_tree = vec<ll>(2 * N, 0); } |