#include #include #include #include using namespace std; int Q; string s, t1 = "good", t2 = "problem"; int main() { cin >> Q; while (Q--) { cin >> s; vector > sum(5, vector(s.size() + 1)); for (int i = 0; i <= s.size() - 4; i++) { int cnt = 0; for (int j = 0; j < 4; j++) { if (s[i + j] != t1[j]) cnt++; } sum[cnt][i + 1]++; } for (int i = 0; i <= 4; i++) { for (int j = 0; j < s.size(); j++) { sum[i][j + 1] += sum[i][j]; } } int ret = 999999999, pre = s.size(); for (int i = 0; i <= s.size() - 7; i++) { int cnt = 0; for (int j = 0; j < 7; j++) { if (s[i + j] != t2[j]) cnt++; } if (i >= 4) { for (int j = 0; j <= 4; j++) { if (sum[j][i - 3]) ret = min(ret, cnt + j + (pre <= i - 7)); } } if (cnt == 0 && pre == s.size()) pre = i; } cout << ret << endl; } return 0; }