#349184 (C++14) No.833 かっこいい電車

提出ソース

結果

問題	No.833 かっこいい電車
ユーザー	fumiphys
提出日時	2019-05-27 19:16:14
言語	C++14 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	92 ms / 2,000 ms
コード長	4,532 bytes
コンパイル時間	1,647 ms
コンパイル使用メモリ	170,432 KB
実行使用メモリ	6,944 KB
最終ジャッジ日時	2024-07-02 03:54:55
合計ジャッジ時間	4,069 ms
ジャッジサーバーID （参考情報）	judge5 / judge2

このコードへのチャレンジ
（要ログイン）

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	92 ms 6,812 KB
testcase_01	AC	2 ms 6,944 KB
testcase_02	AC	2 ms 6,940 KB
testcase_03	AC	2 ms 6,940 KB
testcase_04	AC	2 ms 6,940 KB
testcase_05	AC	2 ms 6,940 KB
testcase_06	AC	2 ms 6,940 KB
testcase_07	AC	2 ms 6,940 KB
testcase_08	AC	2 ms 6,944 KB
testcase_09	AC	2 ms 6,940 KB
testcase_10	AC	56 ms 6,940 KB
testcase_11	AC	70 ms 6,944 KB
testcase_12	AC	23 ms 6,940 KB
testcase_13	AC	19 ms 6,944 KB
testcase_14	AC	54 ms 6,940 KB
testcase_15	AC	27 ms 6,940 KB
testcase_16	AC	17 ms 6,940 KB
testcase_17	AC	27 ms 6,944 KB
testcase_18	AC	68 ms 6,940 KB
testcase_19	AC	18 ms 6,940 KB
testcase_20	AC	6 ms 6,944 KB
testcase_21	AC	64 ms 6,940 KB
testcase_22	AC	30 ms 6,940 KB
testcase_23	AC	21 ms 6,944 KB
testcase_24	AC	30 ms 6,940 KB
testcase_25	AC	67 ms 6,944 KB
testcase_26	AC	22 ms 6,940 KB
testcase_27	AC	44 ms 6,940 KB
testcase_28	AC	37 ms 6,940 KB
testcase_29	AC	40 ms 6,944 KB
testcase_30	AC	27 ms 6,940 KB
testcase_31	AC	90 ms 6,940 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

raw source code

// includes
#include <bits/stdc++.h>

// macros
#define ll long long int
#define pb emplace_back
#define mk make_pair
#define pq priority_queue
#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 vrep(v, i) for(int i = 0; i < (v).size(); i++)
#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 FI first
#define SE second
#define dump(a, n) for(int i = 0; i < n; i++)cout << a[i] << "\n "[i + 1 != n];
#define dump2(a, n, m) for(int i = 0; i < n; i++)for(int j = 0; j < m; j++)cout << a[i][j] << "\n "[j + 1 != m];
#define bit(n) (1LL<<(n))
#define INT(n) int n; cin >> n;
#define LL(n) ll n; cin >> n;
#define DOUBLE(n) double n; cin >> n;
using namespace std;

//  types
typedef pair<int, int> P;
typedef pair<ll, int> Pl;
typedef pair<ll, ll> Pll;
typedef pair<double, double> Pd;
typedef complex<double> cd;
 
// constants
const int inf = 1e9;
const ll linf = 1LL << 50;
const double EPS = 1e-10;
const int mod = 1e9 + 7;
const int dx[4] = {-1, 0, 1, 0};
const int dy[4] = {0, -1, 0, 1};

// solve
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;}

template<typename T>
struct BIT_{
  int n;
  vector<T> bit;
  BIT_(){}
  BIT_(int n_){
    n = n_;
    bit = vector<T>(n+1, 0);
  }
  void add(int a, T w){
    for(int x = a; x < n; x |= (x + 1)){
      bit[x] += w;
    }
  }
  T sum(int a){
    T res = 0;
    for(int x = a; x >= 0; x = (x & (x + 1)) - 1){
      res += bit[x];
    }
    return res;
  }
  int lower_bound(T w){
    int x = 0;
    int m = 1;
    while(m <= n)m *= 2;
    for(int k = m; k > 0; k /= 2){
      if(x + k <= n && bit[x+k-1] < w){
        w -= bit[x+k-1];
        x += k;
      }
    }
    return x;
  }
};

typedef struct BIT_<int> BITI;
typedef struct BIT_<long long> BITL;

int main(int argc, char const* argv[])
{
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  INT(n);
  INT(q);
  BITL bt(n), bti(n);
  rep(i, n){
    LL(a);
    bt.add(i, a);
    bti.add(i, 1);
  }
  rep(i, q){
    INT(c);
    INT(x);
    x--;
    if(c == 1){
      if(bti.sum(x+1)-bti.sum(x) == 1)bti.add(x+1, -1);
    }else if(c == 2){
      if(bti.sum(x+1)-bti.sum(x) == 0)bti.add(x+1, 1);
    }else if(c == 3){
      bt.add(x, 1);
    }else{
      int s = bti.sum(x);
      int e = bti.lower_bound(s + 1);
      s = bti.lower_bound(s);
      cout << bt.sum(e-1) - bt.sum(s-1) << endl;;
    }
  }
  return 0;
}

yukicoder

結果

テストケース

ソースコード