結果

問題 No.1471 Sort Queries
ユーザー Ogtsn99Ogtsn99
提出日時 2021-04-09 21:58:51
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 56 ms / 2,000 ms
コード長 4,543 bytes
コンパイル時間 2,386 ms
コンパイル使用メモリ 207,372 KB
実行使用メモリ 10,360 KB
最終ジャッジ日時 2023-09-07 11:08:03
合計ジャッジ時間 4,774 ms
ジャッジサーバーID
(参考情報)
judge12 / judge15
このコードへのチャレンジ(β)

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 2 ms
4,380 KB
testcase_01 AC 1 ms
4,384 KB
testcase_02 AC 2 ms
4,380 KB
testcase_03 AC 1 ms
4,380 KB
testcase_04 AC 2 ms
4,384 KB
testcase_05 AC 2 ms
4,384 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 2 ms
4,380 KB
testcase_08 AC 2 ms
4,384 KB
testcase_09 AC 1 ms
4,384 KB
testcase_10 AC 1 ms
4,384 KB
testcase_11 AC 2 ms
4,384 KB
testcase_12 AC 2 ms
4,380 KB
testcase_13 AC 13 ms
6,692 KB
testcase_14 AC 12 ms
4,836 KB
testcase_15 AC 21 ms
6,688 KB
testcase_16 AC 11 ms
4,380 KB
testcase_17 AC 12 ms
6,724 KB
testcase_18 AC 8 ms
4,956 KB
testcase_19 AC 11 ms
4,380 KB
testcase_20 AC 21 ms
6,652 KB
testcase_21 AC 11 ms
4,808 KB
testcase_22 AC 9 ms
4,944 KB
testcase_23 AC 27 ms
6,972 KB
testcase_24 AC 27 ms
6,740 KB
testcase_25 AC 40 ms
10,244 KB
testcase_26 AC 30 ms
6,728 KB
testcase_27 AC 35 ms
10,156 KB
testcase_28 AC 37 ms
10,172 KB
testcase_29 AC 28 ms
6,684 KB
testcase_30 AC 28 ms
6,756 KB
testcase_31 AC 40 ms
6,812 KB
testcase_32 AC 41 ms
6,736 KB
testcase_33 AC 46 ms
10,120 KB
testcase_34 AC 56 ms
10,360 KB
testcase_35 AC 50 ms
10,084 KB
testcase_36 AC 33 ms
10,192 KB
testcase_37 AC 32 ms
10,180 KB
testcase_38 AC 25 ms
10,144 KB
testcase_39 AC 45 ms
10,236 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 #

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define rep(i, n) for(int (i)=0;(i)<(n);(i)++)
#define rrep(i, n) for(int (i)=((n)-1);(i)>=0;(i)--)
#define itn int
#define miele(v) min_element(v.begin(), v.end())
#define maele(v) max_element(v.begin(), v.end())
#define SUM(v) accumulate(v.begin(), v.end(), 0LL)
#define lb(a, key) lower_bound(a.begin(),a.end(),key)
#define ub(a, key) upper_bound(a.begin(),a.end(),key)
#define COUNT(a, key) count(a.begin(), a.end(), key)
#define BITCOUNT(x) __builtin_popcount(x)
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define F first
#define S second
using P = pair<int, int>;
using WeightedGraph = vector<vector<P>>;
using UnWeightedGraph = vector<vector<int>>;
using Real = long double;
using Point = complex<Real>; //Point and Vector2d is the same!
using Vector2d = complex<Real>;
const int MOD = 1000000007;
const long long INF = 1LL << 60;
const double EPS = 1e-15;
const double PI = 3.14159265358979323846;

template<typename T>
int getIndexOfLowerBound(vector<T> &v, T x) {
    return lower_bound(v.begin(), v.end(), x) - v.begin();
}

template<typename T>
int getIndexOfUpperBound(vector<T> &v, T x) {
    return upper_bound(v.begin(), v.end(), x) - v.begin();
}

template<class T>
inline bool chmin(T &a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
inline bool chmax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

#define repi(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++)

istream &operator>>(istream &is, Point &p) {
    Real a, b;
    is >> a >> b;
    p = Point(a, b);
    return is;
}

template<typename T, typename U>
istream &operator>>(istream &is, pair<T, U> &p_var) {
    is >> p_var.first >> p_var.second;
    return is;
}

template<typename T>
istream &operator>>(istream &is, vector<T> &vec) {
    for (T &x : vec) is >> x;
    return is;
}

template<typename T, typename U>
ostream &operator<<(ostream &os, pair<T, U> &pair_var) {
    os << pair_var.first << ' ' << pair_var.second;
    return os;
}

template<typename T>
ostream &operator<<(ostream &os, vector<T> &vec) {
    for (int i = 0; i < vec.size(); i++)
        os << vec[i] << ' ';
    return os;
}

template<typename T, typename U>
ostream &operator<<(ostream &os, vector<pair<T, U>> &vec) {
    for (int i = 0; i < vec.size(); i++)
        os << vec[i] << '\n';
    return os;
}

template<typename T>
ostream &operator<<(ostream &os, vector<vector<T>> &df) {
    for (auto &vec : df) os << vec;
    return os;
}

template<typename T, typename U>
ostream &operator<<(ostream &os, map<T, U> &map_var) {
    repi(itr, map_var) {
        os << *itr << ' ';
        itr++;
        itr--;
    }
    return os;
}

template<typename T>
ostream &operator<<(ostream &os, set<T> &set_var) {
    repi(itr, set_var) {
        os << *itr << ' ';
        itr++;
        itr--;
    }
    return os;
}

void print() { cout << endl; }

template<class Head, class... Tail>
void print(Head &&head, Tail &&... tail) {
    cout << head;
    if (sizeof...(tail) != 0) cout << " ";
    print(forward<Tail>(tail)...);
}

struct SegTree{
    int n;
    vector <int> node;
    SegTree(vector <int> v){
        int sz = v.size();
        n = 1;
        while(n<sz) n*=2;
        node.resize(2*n-1);
        for(int i=0; i<sz; i++) node[i+n-1] = v[i]; //一番下側
        for(int i=n-2;i>=0;i--) node[i] = node[2*i+1] + node[2*i+2];
    }
    void add(int number, int val){
        number += n-1;
        node[number] += val;
        while(number>0){
            number=(number-1)/2;
            node[number] = node[number*2+1] + node[number*2+2];
        }
    }
    int getsum(int a, int b, int k=0, int l = 0, int r = -1){
        if(r<0) r=n;
        if(r<=a||l>=b) return 0;
        if(a <= l&& r<=b) return node[k];
        int vl = getsum(a, b, 2*k+1, l, (l+r)/2);
        int vr = getsum(a, b, 2*k+2, (l+r)/2, r);
        return vl + vr;
    }
};

signed main(void) { cin.tie(0); ios::sync_with_stdio(false);
    int n, q; cin>>n>>q;
    vector<int> tmp(n);

    vector <SegTree> seg('z' - 'a' + 1, SegTree(tmp));

    string s; cin>>s;

    rep(i, n) {
        seg[s[i]-'a'].add(i, 1);
    }

    rep(i, q) {
        int l, r, x; cin>>l>>r>>x;

        l--, r--;
        for (int j = 0; j < 'z' - 'a' + 1; ++j) {
            x -= seg[j].getsum(l, r+1);

            if(x <= 0) {
                print((char)('a' + j));
                break;
            }
        }
    }
}
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