#include <bits/stdc++.h> using namespace std; const int maxn = 300009; int p[maxn] , s[maxn]; string S; int main() { int n ; cin >> n; cin >> S; S = '&'+S; for(int i = 1 ; i <= n ;i++) { p[i] = p[i-1]; if(S[i] == 'P')p[i]++; } for(int i = n ; i > 0 ;i--) { s[i] = s[i+1]; if(S[i] == 'L')s[i]++; } for(int i = 1 ; i <= n; i++) { if(S[i] == 'L') { cout << min(p[i-1]*2 , s[i+1]*2+1) << ' '; } else { cout << min(p[i-1]*2+1 , s[i+1]*2) << ' '; } } 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 | #include <bits/stdc++.h> using namespace std; const int maxn = 300009; int p[maxn] , s[maxn]; string S; int main() { int n ; cin >> n; cin >> S; S = '&'+S; for(int i = 1 ; i <= n ;i++) { p[i] = p[i-1]; if(S[i] == 'P')p[i]++; } for(int i = n ; i > 0 ;i--) { s[i] = s[i+1]; if(S[i] == 'L')s[i]++; } for(int i = 1 ; i <= n; i++) { if(S[i] == 'L') { cout << min(p[i-1]*2 , s[i+1]*2+1) << ' '; } else { cout << min(p[i-1]*2+1 , s[i+1]*2) << ' '; } } return 0; } |