/* Things to notice: 1. do not calculate useless values 2. do not use similar names Things to check: 1. submit the correct file 2. time (it is log^2 or log) 3. memory 4. prove your naive thoughts 5. long long 6. corner case like n=0,1,inf or n=m 7. check if there is a mistake in the ds or other tools you use 8. fileio in some oi-contest 9. module on time 10. the number of a same divisor in a math problem 11. multi-information and queries for dp and ds problems */ #include<bits/stdc++.h> using namespace std; #define int long long #define fi first #define se second #define pii pair<long long,long long> #define mp make_pair #define pb push_back const int mod=998244353; const int inf=0x3f3f3f3f; const int INF=1e18; int n; string s; int sum[300005]; void solve() { cin>>n; cin>>s; s='.'+s; for(int i=1;i<=n;i++) sum[i]=sum[i-1]+(s[i]=='L'); for(int i=1;i<=sum[n];i++) cout<<2*(i-1-sum[i-1])+(s[i]=='P')<<" "; for(int i=sum[n]+1;i<=n;i++) cout<<2*(sum[n]-sum[i])+(s[i]=='L')<<" "; } signed main() { ios::sync_with_stdio(0); cin.tie(0); int _=1; // cin>>_; while(_--) solve(); 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 47 48 49 50 51 | /* Things to notice: 1. do not calculate useless values 2. do not use similar names Things to check: 1. submit the correct file 2. time (it is log^2 or log) 3. memory 4. prove your naive thoughts 5. long long 6. corner case like n=0,1,inf or n=m 7. check if there is a mistake in the ds or other tools you use 8. fileio in some oi-contest 9. module on time 10. the number of a same divisor in a math problem 11. multi-information and queries for dp and ds problems */ #include<bits/stdc++.h> using namespace std; #define int long long #define fi first #define se second #define pii pair<long long,long long> #define mp make_pair #define pb push_back const int mod=998244353; const int inf=0x3f3f3f3f; const int INF=1e18; int n; string s; int sum[300005]; void solve() { cin>>n; cin>>s; s='.'+s; for(int i=1;i<=n;i++) sum[i]=sum[i-1]+(s[i]=='L'); for(int i=1;i<=sum[n];i++) cout<<2*(i-1-sum[i-1])+(s[i]=='P')<<" "; for(int i=sum[n]+1;i<=n;i++) cout<<2*(sum[n]-sum[i])+(s[i]=='L')<<" "; } signed main() { ios::sync_with_stdio(0); cin.tie(0); int _=1; // cin>>_; while(_--) solve(); return 0; } |