import std.stdio, std.array, std.string, std.conv, std.algorithm; import std.typecons, std.range, std.random, std.math, std.container; import std.numeric, std.bigint, core.bitop, core.stdc.string; void main() { auto T = readln.chomp.to!int; const auto G = "good"; const auto P = "problem"; foreach (t; 0..T) { auto S = readln.chomp; auto N = S.length.to!int; auto cnt = new int[](N); fill(cnt, 1 << 30); foreach (i; 4..N-6) { cnt[i] = 0; foreach (j; 0..7) { if (S[i+j] != P[j]) cnt[i] += 1; } } foreach (i; iota(N-2, -1, -1)) cnt[i] = min(cnt[i], cnt[i+1]); //cnt.writeln; auto cnt_problem = new int[](N); foreach (i; 0..N-6) { if (S[i..i+7] == P) cnt_problem[i] = 1; } foreach (i; 0..N-1) cnt_problem[i+1] += cnt_problem[i]; int ans = 1 << 30; foreach (i; 0..N-10) { int cnt_g = 0; foreach (j; 0..4) { if (S[i+j] != G[j]) cnt_g += 1; } if (i < 7) ans = min(ans, cnt_g + cnt[i+4]); else ans = min(ans, cnt_g + cnt[i+4] + cnt_problem[i-7]); //writeln(i, " ", cnt[i+4], " ", cnt_g, " ", ans); } ans.writeln; } }