#include #include using std::cin; using std::cout; const char endl = '\n'; const int N = 2e5 + 5; int t, sum[N][2], ans; std::string s; int main() { std::ios::sync_with_stdio(false); cin >> t; while (t--) { ans = 0; cin >> s; for (int i = 0; i < s.size(); i++) { if (i) { sum[i][0] = sum[i - 1][0] + (s[i] == '0'); sum[i][1] = sum[i - 1][1] + (s[i] == '1'); } else { sum[i][0] = s[i] == '0'; sum[i][1] = s[i] == '1'; } } for (int i = 0; i < s.size(); i++) { ans += (sum[i][0] - (s[i] == '0')) == 0 && (sum[s.size() - 1][1] == sum[i][1]); } cout << ans << endl; } return 0; }