#include <bits/stdc++.h> using namespace std; #define rep(a, b) for (int a = 0; a < (b); a++) #define rep1(a, b) for (int a = 1; a <= (b); a++) #define all(x) (x).begin(), (x).end() #define printrange(s, e) {for (auto it = s; it < e; it++) {cout << *it << ' ';} cout << '\n';} using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; const int MOD = 1e9 + 7; #define LOCAL false const int MAX_N = 3e5 + 7; int n; string str; int Ppref[MAX_N]; int Lsuff[MAX_N]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); if (LOCAL) { ignore=freopen("io/in", "r", stdin); ignore=freopen("io/out", "w", stdout); } cin >> n; cin >> str; rep(i, n) Ppref[i+1] = Ppref[i] + (str[i]=='P'); for (int i = n-1; i >= 0; i--) Lsuff[i+1] = Lsuff[i+2] + (str[i]=='L'); rep(i, n) { int p = Ppref[i]; int l = Lsuff[i+2]; cout << 2*min(p, l) + (str[i] == 'L' ? (p>l) : (l>p)) << ' '; } 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 | #include <bits/stdc++.h> using namespace std; #define rep(a, b) for (int a = 0; a < (b); a++) #define rep1(a, b) for (int a = 1; a <= (b); a++) #define all(x) (x).begin(), (x).end() #define printrange(s, e) {for (auto it = s; it < e; it++) {cout << *it << ' ';} cout << '\n';} using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; const int MOD = 1e9 + 7; #define LOCAL false const int MAX_N = 3e5 + 7; int n; string str; int Ppref[MAX_N]; int Lsuff[MAX_N]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); if (LOCAL) { ignore=freopen("io/in", "r", stdin); ignore=freopen("io/out", "w", stdout); } cin >> n; cin >> str; rep(i, n) Ppref[i+1] = Ppref[i] + (str[i]=='P'); for (int i = n-1; i >= 0; i--) Lsuff[i+1] = Lsuff[i+2] + (str[i]=='L'); rep(i, n) { int p = Ppref[i]; int l = Lsuff[i+2]; cout << 2*min(p, l) + (str[i] == 'L' ? (p>l) : (l>p)) << ' '; } cout << '\n'; return 0; } |