#include <iostream> using namespace std; const int N = 3e5 + 5; int n; string s; int pr[N]; int sf[N]; int main(){ cin.tie(0); ios_base::sync_with_stdio(0); cin >> n >> s; for(int i=0;i<n;i++){ pr[i] = (i ? pr[i-1] : 0) + (i ? s[i-1] == 'P' : 0); } for(int i=n-1;i>=0;i--){ sf[i] = (i!=n-1 ? sf[i+1] : 0) + (i != n-1 ? s[i-1] == 'L' : 0); } for(int i=0;i<n;i++){ if(s[i] == 'P'){ if(sf[i] >= pr[i]){ cout << pr[i]*2+1 << " "; } else{ cout << sf[i]*2 << " "; } } else{ if(pr[i] >= sf[i]){ cout << sf[i]*2+1 << " "; } else{ cout << pr[i]*2 << " "; } } } 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 42 43 44 45 46 | #include <iostream> using namespace std; const int N = 3e5 + 5; int n; string s; int pr[N]; int sf[N]; int main(){ cin.tie(0); ios_base::sync_with_stdio(0); cin >> n >> s; for(int i=0;i<n;i++){ pr[i] = (i ? pr[i-1] : 0) + (i ? s[i-1] == 'P' : 0); } for(int i=n-1;i>=0;i--){ sf[i] = (i!=n-1 ? sf[i+1] : 0) + (i != n-1 ? s[i-1] == 'L' : 0); } for(int i=0;i<n;i++){ if(s[i] == 'P'){ if(sf[i] >= pr[i]){ cout << pr[i]*2+1 << " "; } else{ cout << sf[i]*2 << " "; } } else{ if(pr[i] >= sf[i]){ cout << sf[i]*2+1 << " "; } else{ cout << pr[i]*2 << " "; } } } cout << "\n"; return 0; } |