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  1. #include <bits/stdc++.h>
  2. #define fu(i, a, b) for(int i = (a); i <= (b); i++)
  3. #define fd(i, a, b) for(int i = (a); i >= (b); i--)
  4. #define fi first
  5. #define se second
  6. #define ll long long
  7. using namespace std;
  8.  
  9. const int N = 2e5 +5 ;
  10. const int INF = 1e9 + 5;
  11.  
  12. int n;
  13. string s;
  14. ll dp[N][3], a[N];
  15.  
  16. void solve()
  17. {
  18.     memset(dp, 0, sizeof(dp));
  19.     fu(i, 1, n)
  20.     {
  21.         if(s[i] == '1') {
  22.             dp[i][1] = max(dp[i - 1][1], dp[i - 1][0]) + a[i];
  23.             if(i >= 2) dp[i - 1][1] = dp[i - 1][0] + a[i - 1];
  24.             dp[i][0] = max(dp[i][0], max(dp[i - 1][0], dp[i - 1][1]));
  25.         }
  26.         else {
  27.             dp[i][0] = max(dp[i - 1][0], dp[i - 1][1]);
  28.             dp[i][1] = max(dp[i - 1][0], dp[i - 1][1]);
  29.         }
  30.     }
  31.     cout << max(dp[n][0], dp[n][1]) << '\n';
  32.   //  cout << dp[n][0] << ' ' << dp[n][1] << '\n';
  33. }
  34.  
  35. void read()
  36. {
  37.     int t;
  38.     cin >> t;
  39.     while(t--)
  40.     {
  41.         cin >> n;
  42.         cin >> s;
  43.         s = '*' + s;
  44.         fu(i, 1, n) cin >> a[i];
  45.         solve();
  46.     }
  47. }
  48.  
  49. int main()
  50. {
  51.     ios_base::sync_with_stdio(false);cin.tie(0);
  52.     read();
  53. }
  54.  
  55.  
Success #stdin #stdout 0.95s 9532KB
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https://ideone.com/uYgSAB
language:
C++ 4.3.2 (gcc-4.3.2)
created:
2 years ago
visibility:
secret

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