#include <bits/stdc++.h> #define fu(i, a, b) for(int i = (a); i <= (b); i++) #define fd(i, a, b) for(int i = (a); i >= (b); i--) #define fi first #define se second #define ll long long using namespace std; const int N = 2e5 +5 ; const int INF = 1e9 + 5; int n; string s; ll dp[N][3], a[N]; void solve() { memset(dp, 0, sizeof(dp)); fu(i, 1, n) { if(s[i] == '1') { dp[i][1] = max(dp[i - 1][1], dp[i - 1][0]) + a[i]; if(i >= 2) dp[i - 1][1] = dp[i - 1][0] + a[i - 1]; dp[i][0] = max(dp[i][0], max(dp[i - 1][0], dp[i - 1][1])); } else { dp[i][0] = max(dp[i - 1][0], dp[i - 1][1]); dp[i][1] = max(dp[i - 1][0], dp[i - 1][1]); } } cout << max(dp[n][0], dp[n][1]) << '\n'; // cout << dp[n][0] << ' ' << dp[n][1] << '\n'; } void read() { int t; cin >> t; while(t--) { cin >> n; cin >> s; s = '*' + s; fu(i, 1, n) cin >> a[i]; solve(); } } int main() { ios_base::sync_with_stdio(false);cin.tie(0); read(); }
Standard input is empty
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