結果

問題 No.252 "良問"(良問とは言っていない (2)
ユーザー fumiphysfumiphys
提出日時 2019-10-13 21:50:45
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 74 ms / 2,000 ms
コード長 3,945 bytes
コンパイル時間 1,787 ms
コンパイル使用メモリ 172,312 KB
実行使用メモリ 23,836 KB
最終ジャッジ日時 2024-12-17 17:00:25
合計ジャッジ時間 2,415 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 32 ms
6,816 KB
testcase_01 AC 74 ms
6,816 KB
testcase_02 AC 43 ms
7,852 KB
testcase_03 AC 43 ms
23,792 KB
testcase_04 AC 42 ms
23,836 KB
testcase_05 AC 42 ms
23,708 KB
testcase_06 AC 1 ms
6,820 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

// includes
#include <bits/stdc++.h>
using namespace std;

// macros
#define pb emplace_back
#define mk make_pair
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define rep(i, n) FOR(i, 0, n)
#define rrep(i, n) for(int i=((int)(n)-1);i>=0;i--)
#define irep(itr, st) for(auto itr = (st).begin(); itr != (st).end(); ++itr)
#define irrep(itr, st) for(auto itr = (st).rbegin(); itr != (st).rend(); ++itr)
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end())
#define bit(n) (1LL<<(n))
// functions
template <class T>bool chmax(T &a, const T &b){if(a < b){a = b; return 1;} return 0;}
template <class T>bool chmin(T &a, const T &b){if(a > b){a = b; return 1;} return 0;}
template <typename T> istream &operator>>(istream &is, vector<T> &vec){for(auto &v: vec)is >> v; return is;}
template <typename T> ostream &operator<<(ostream &os, const vector<T>& vec){for(int i = 0; i < vec.size(); i++){ os << vec[i]; if(i + 1 != vec.size())os << " ";} return os;}
template <typename T> ostream &operator<<(ostream &os, const set<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;}
template <typename T> ostream &operator<<(ostream &os, const unordered_set<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;}
template <typename T> ostream &operator<<(ostream &os, const multiset<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;}
template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;}
template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){os << p.first << " " << p.second; return os;}
template <typename T1, typename T2> ostream &operator<<(ostream &os, const map<T1, T2> &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << itr->first << ":" << itr->second; auto titr = itr; if(++titr != mp.end())os << " "; } return os;}
template <typename T1, typename T2> ostream &operator<<(ostream &os, const unordered_map<T1, T2> &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << itr->first << ":" << itr->second; auto titr = itr; if(++titr != mp.end())os << " "; } return os;}
//  types
using ll = long long int;
using P = pair<int, int>;
// constants
const int inf = 1e9;
const ll linf = 1LL << 50;
const double EPS = 1e-10;
const int mod = 1000000007;
const int dx[4] = {-1, 0, 1, 0};
const int dy[4] = {0, -1, 0, 1};
// io
struct fast_io{
  fast_io(){ios_base::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(20);}
} fast_io_;

string good = "good", problem = "problem";

int main(int argc, char const* argv[])
{
  int t; cin >> t;
  rep(i_, t){
    string s; cin >> s;
    vector<int> g(sz(s), 0), p(sz(s), 0);
    vector<int> ge(sz(s), 0), pe(sz(s), 0);
    for(int i = 0; i + 4 <= sz(s); i++){
      rep(j, 4){
        if(s[i+j] != good[j])g[i]++;
      }
      if(g[i] == 0)ge[i]++;
    }
    for(int i = 1; i + 4 <= sz(s); i++){
      ge[i] = ge[i] + ge[i-1];
    }
    for(int i = 0; i + 7 <= sz(s); i++){
      rep(j, 7){
        if(s[i+j] != problem[j])p[i]++;
      }
      if(p[i] == 0)pe[i]++;
    }
    for(int i = 1; i + 7 <= sz(s); i++){
      pe[i] = pe[i] + pe[i-1];
    }
    vector<int> pm(sz(s), 7);
    for(int i = sz(s) - 7; i >= 0; i--){
      pm[i] = p[i];
      pm[i] = min(p[i], pm[i+1]);
    }
    int res = 11;
    for(int i = 0; i + 11 <= sz(s); i++){
      int tmp = g[i];
      tmp += pm[i + 4];
      if(i > 3){
        tmp += ge[i-4];
      }
      if(i > 6){
        tmp += pe[i-7];
      }
      res = min(res, tmp);
    }
    cout << res << endl;
  }
  return 0;
}
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