#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; template<class T> using ordered_set =tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update> ; #define debug(x) cout << "[" << #x << " " << x << "] "; #define ar array #define ll long long #define ld long double #define sz(x) ((int)x.size()) #define all(a) (a).begin(), (a).end() typedef vector<int> vi; typedef pair<int,int> pi; const int MAX_N = 3e5 + 5; const ll MOD = 1e9 + 7; const ll INF = 1e9; const ld EPS = 1e-9; int res[MAX_N]; void solve() { int n; cin >> n; string s; cin >> s; vi Lright(n+1,0); vi Rleft(n+1,0); for(int i=0 ;i<n; i++){ Rleft[i+1] = Rleft[i] + (s[i] == 'P'); Lright[n-i-1] = Lright[n-i] + (s[n-i-1] == 'L'); } for(int i=0; i<n;i++){ if(s[i] == 'P'){ if(Lright[i] > Rleft[i])res[i] = 2*Rleft[i] + 1; else res[i] = 2*Lright[i]; } else{ if(Rleft[i] > Lright[i] -1 )res[i] = 2*(Lright[i]-1) + 1; else res[i] = 2*Rleft[i]; } } for(int i=0; i<n; i++)cout << res[i] << " "; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int tc = 1; for (int t = 1; t <= tc; t++) { // cout << "Case #" << t << ": "; solve(); } }
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 | #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; template<class T> using ordered_set =tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update> ; #define debug(x) cout << "[" << #x << " " << x << "] "; #define ar array #define ll long long #define ld long double #define sz(x) ((int)x.size()) #define all(a) (a).begin(), (a).end() typedef vector<int> vi; typedef pair<int,int> pi; const int MAX_N = 3e5 + 5; const ll MOD = 1e9 + 7; const ll INF = 1e9; const ld EPS = 1e-9; int res[MAX_N]; void solve() { int n; cin >> n; string s; cin >> s; vi Lright(n+1,0); vi Rleft(n+1,0); for(int i=0 ;i<n; i++){ Rleft[i+1] = Rleft[i] + (s[i] == 'P'); Lright[n-i-1] = Lright[n-i] + (s[n-i-1] == 'L'); } for(int i=0; i<n;i++){ if(s[i] == 'P'){ if(Lright[i] > Rleft[i])res[i] = 2*Rleft[i] + 1; else res[i] = 2*Lright[i]; } else{ if(Rleft[i] > Lright[i] -1 )res[i] = 2*(Lright[i]-1) + 1; else res[i] = 2*Rleft[i]; } } for(int i=0; i<n; i++)cout << res[i] << " "; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int tc = 1; for (int t = 1; t <= tc; t++) { // cout << "Case #" << t << ": "; solve(); } } |