#include <iostream>
using namespace std;
const int MX = 3e5+3;
int n;
string s;
int left_dp[MX], right_dp[MX];
int main(){
ios::sync_with_stdio(false);
cin >> n >> s;
int ans = 0;
char last = 'L';
for(int i = 0; i < n; ++i){
if(s[i] != last)
ans += 1;
else if (s[i] == 'P')
ans += 2;
last = s[i];
left_dp[i] = ans;
}
ans = 0;
last = 'P';
for(int i = n-1; i >= 0; --i){
if(s[i] != last)
ans += 1;
else if (s[i] == 'L')
ans += 2;
last = s[i];
right_dp[i] = ans;
}
for(int i = 0; i < n; ++ i){
cout << min(left_dp[i], right_dp[i]) << " ";
}
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 <iostream> using namespace std; const int MX = 3e5+3; int n; string s; int left_dp[MX], right_dp[MX]; int main(){ ios::sync_with_stdio(false); cin >> n >> s; int ans = 0; char last = 'L'; for(int i = 0; i < n; ++i){ if(s[i] != last) ans += 1; else if (s[i] == 'P') ans += 2; last = s[i]; left_dp[i] = ans; } ans = 0; last = 'P'; for(int i = n-1; i >= 0; --i){ if(s[i] != last) ans += 1; else if (s[i] == 'L') ans += 2; last = s[i]; right_dp[i] = ans; } for(int i = 0; i < n; ++ i){ cout << min(left_dp[i], right_dp[i]) << " "; } return 0; } |
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