#include <iostream>
#include <ranges>
#include <set>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
int n;
string word;
cin >> n;
cin >> word;
auto *right_wall = new unsigned[word.size() + 2];
auto *left_wall = new unsigned[word.size() + 2];
auto *A = new unsigned[word.size() + 2];
for (int i = 0; i <= n + 1; i++) {
right_wall[i] = left_wall[i] = 0;
}
unsigned idx = 1;
for (char &it: word) {
left_wall[idx] = left_wall[idx - 1];
if (it == 'P') {
left_wall[idx]++;
}
idx++;
}
idx = n;
for (char &it: std::ranges::reverse_view(word)) {
right_wall[idx] = right_wall[idx + 1];
if (it == 'L') {
right_wall[idx]++;
}
idx--;
}
for (int i = 1; i <= n; i++) {
auto c = word[i - 1];
auto a = left_wall[i - 1];
auto b = right_wall[i + 1];
if (c == 'L') {
if (a <= b) {
A[i] = 2 * a;
} else {
A[i] = 2 * b + 1;
}
} else {
if (b <= a) {
A[i] = 2 * b;
} else {
A[i] = 2 * a + 1;
}
}
}
for (int i = 1; i <= n; i++) {
cout << A[i] << " ";
}
cout << endl;
delete[] right_wall;
delete[] left_wall;
delete[] A;
}
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 | #include <iostream> #include <ranges> #include <set> using namespace std; int main() { ios_base::sync_with_stdio(false); int n; string word; cin >> n; cin >> word; auto *right_wall = new unsigned[word.size() + 2]; auto *left_wall = new unsigned[word.size() + 2]; auto *A = new unsigned[word.size() + 2]; for (int i = 0; i <= n + 1; i++) { right_wall[i] = left_wall[i] = 0; } unsigned idx = 1; for (char &it: word) { left_wall[idx] = left_wall[idx - 1]; if (it == 'P') { left_wall[idx]++; } idx++; } idx = n; for (char &it: std::ranges::reverse_view(word)) { right_wall[idx] = right_wall[idx + 1]; if (it == 'L') { right_wall[idx]++; } idx--; } for (int i = 1; i <= n; i++) { auto c = word[i - 1]; auto a = left_wall[i - 1]; auto b = right_wall[i + 1]; if (c == 'L') { if (a <= b) { A[i] = 2 * a; } else { A[i] = 2 * b + 1; } } else { if (b <= a) { A[i] = 2 * b; } else { A[i] = 2 * a + 1; } } } for (int i = 1; i <= n; i++) { cout << A[i] << " "; } cout << endl; delete[] right_wall; delete[] left_wall; delete[] A; } |
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