제출 #702360

#제출 시각아이디문제언어결과실행 시간메모리
702360bebraSnake Escaping (JOI18_snake_escaping)C++17
12 / 100
2075 ms19064 KiB
#include <bits/stdc++.h> using namespace std; #define dbg(x) cerr << #x << ": " << x << endl; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int k, q; cin >> k >> q; string s; cin >> s; while (q--) { string t; cin >> t; reverse(t.begin(), t.end()); int first_mask = 0; int second_mask = 0; for (int i = 0; i < k; ++i) { if (t[i] == '?') { first_mask |= 1 << i; } else if (t[i] == '1') { second_mask |= 1 << i; } } int res = s[second_mask] - '0'; for (int submask = first_mask; submask > 0; submask = (submask - 1) & first_mask) { res += s[submask | second_mask] - '0'; } cout << res << '\n'; } return 0; }
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