#325224 (C++17) No.801 エレベーター

提出ソース

結果

問題	No.801 エレベーター
ユーザー	ganariya
提出日時	2019-03-17 23:13:00
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	192 ms / 2,000 ms
コード長	9,131 bytes
コンパイル時間	1,237 ms
コンパイル使用メモリ	149,160 KB
実行使用メモリ	73,856 KB
最終ジャッジ日時	2024-07-08 02:07:11
合計ジャッジ時間	4,953 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
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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	2 ms 6,816 KB
testcase_01	AC	1 ms 6,944 KB
testcase_02	AC	2 ms 6,944 KB
testcase_03	AC	4 ms 6,944 KB
testcase_04	AC	3 ms 6,944 KB
testcase_05	AC	3 ms 6,940 KB
testcase_06	AC	4 ms 6,940 KB
testcase_07	AC	4 ms 6,940 KB
testcase_08	AC	3 ms 6,940 KB
testcase_09	AC	3 ms 6,940 KB
testcase_10	AC	4 ms 6,940 KB
testcase_11	AC	3 ms 6,944 KB
testcase_12	AC	3 ms 6,940 KB
testcase_13	AC	189 ms 73,600 KB
testcase_14	AC	187 ms 73,856 KB
testcase_15	AC	184 ms 73,472 KB
testcase_16	AC	192 ms 73,728 KB
testcase_17	AC	186 ms 73,472 KB
testcase_18	AC	188 ms 73,600 KB
testcase_19	AC	191 ms 73,472 KB
testcase_20	AC	191 ms 73,472 KB
testcase_21	AC	185 ms 73,728 KB
testcase_22	AC	189 ms 73,600 KB
testcase_23	AC	170 ms 73,600 KB
testcase_24	AC	169 ms 73,600 KB
testcase_25	AC	170 ms 73,600 KB
testcase_26	AC	179 ms 73,600 KB
testcase_27	AC	174 ms 73,472 KB
testcase_28	AC	173 ms 73,728 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

//
//
//  Codeforces: ganariya
//  AtCoder: ganariya2525
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMHBYYYWMMMM#BYYTTTYWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMB9O1==?????zzCC111>>;;;;;;;;;;;<?TMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMM9Olll=l======??????????>>>>>>;;;;;;;;;:;?TMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMM9ttlllllllll=l=======?????????>>>>>>;;;;;;;;;;?TMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMBOttOtttttltlllllllll=======??????????>>>>>>>;;;;;;?TMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMBttwOtttttttttttttlllllllll========?????????>>>>>>;;;;;<TMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMBrwZrttttttttttttttttttlllllllllll======???????????>>>>>>;;?HMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMSw0trtrrtrtrttrtttttttttttttlllOllllll========????<<zz??>>>>>>ZMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMX0ttrtrOOttrttrttOOttttttttttttltwllllllllll========??wy?????>>>vZMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMM0ttrI+wV1rtttttttwZtttttttltttOwylOXOllllllllllll=l====1dkz???????vZdMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMSrrwrtwZCjttttttttwSttOlllltllllwtXOlZkOlllllllllllllll==z+dk===?????X2JMMMMMMMMMMMMM
//  MMMMMMMMMMMMMBrtwwtrw0<jttttttttOXllOttltllttllOZwHOtXkyltlllllllllllllll<+XZ======?dk?JMMMMMMMMMMMM
//  MMMMMMMMMMMMStwdZtwXC<+ttttttOOOd6ltZlltllllttllStWWOOHWytttttltltOllltllz:zHllll===zX=?dMMMMMMMMMMM
//  MMMMMMMMMMBrwdKOtwW3;;zrttttwZwXRlldOllltltlltttwlXvktdXWytltttttttOttlttl<<dklllllllZ===dMMMMMMMMMM
//  MMMMMMMMM8tQM#ttwW3;;;1trttwSwfUOlORltllltlllllldtX>dktDOWOtlttltttOOttltO<;+WOllllllXlllzMMMMMMMMMM
//  MMMMMMMM9OdM#Ottd$;;;;;<?1z0OKjRltd0llltOllllllldZX>?WOw_WWOtttttttttOttI<;;<dkttttllllllldMMMMMMMMM
//  MMMMMMM9wMMMSttwS<;;;;>;;;J<j>(I<?U111zltllllllld0X>~dkwl(WkttlttlOOwWk<;;:;;zHttttttwOllllMMMMMMMMM
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//  MMMMM#dMMM#tttw0+tttttttdKdf((RsdfRllllldZllltlldWK~~_W0w_~OWOlOdgg9ZtOWOtttz+wktttttdpktttwMMMMMMMM
//  MMMMMWMMMMSlttdIttttttOdWHH>~(IzWDRll=llzRlllzlldk$>++dkd<~_XkdgH9tttttdktttt+OkrttrtdfpkttOMMMMMMMM
//  MMMMNWMMM#Zttlk=tttttOXWWd$_.(IdW1R=llll=SlllzOldK<_._(kd6+-(MM9lltttttrWktttztWZttrwXppWttrMMMMMMMM
//  MMMMNMMMM#lltwDzttllOXyW0X:..(OXk<Rl=ll=lwOlllOld3<``.(Rd>~?CdklllltttttXdXttzOWktrwwWpfpkrtMMMMMMMM
//  MMMMMMMMM@ltldIzlttOXyW$w$```(OyD(Rl==llldZ=llIlw;~```-Xd:~~~~UkylltttAyHdgSrzObRtOXwpfppWrrMMMMMMMM
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//  MMMMMMMMMMMMMRzZZZZZZZZb````````````<````````````./<~._<_.____`(WfdyW3<:~~(XWkVVVVVVVHVVVVV0dMMMMMMM
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//  MMMMMMMMMMMMMM#rrrwRrMMbOrrOZNkrvvvXwvvvvvwX;.~._W_:::::(?!~~~~~~~~(HpppppppHWdvwM#XwdMMMMMMMMMMNMMM
//  MMMMMMMMMMMMMMNyrrrRrWMMmzOrzdNyrrrZNvrwQWWfb....(r~~_J>_.....~.~~-dpfpffpfpppWHHMNdMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMNrtrStdMMMNxzrzMNmrrrdNWfVfffP._-.(~_J!............JpfpffpfpfffpppWNppppHMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMNOtXtdMMMMMNxzZMMNmgHyVVVVVW%..?/(.,(x-..........(HfffpffpffpffWHHffpffppfVyyWMMMMMM


//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <unordered_map>
#include <climits>
#include <set>
#include <unordered_set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <complex>
#include <regex>
#include <locale>
#include <random>
#include <type_traits>

using namespace std;

#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v){std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}

using LL = long long;

//~~~~~~~~~~~~~~~~~~~~~_(＾～＾ ｣ ∠)_~~~~~~~~~~~~~~~~~~~~~

constexpr LL mod = 1e9 + 7;

struct LazySegmentTree {
private:
    LL n;
    vector<LL> node, lazy;

public:
    LazySegmentTree(vector<LL> v) {
        LL sz = (LL) v.size();
        n = 1;
        while (n < sz) n *= 2;
        node.resize(2 * n - 1);
        lazy.resize(2 * n - 1, 0);

        for (LL i = 0; i < sz; i++) node[i + n - 1] = v[i];
        for (LL i = n - 2; i >= 0; i--) node[i] = (node[i * 2 + 1] + node[i * 2 + 2]) % mod;
    }

    void eval(LL k, LL l, LL r) {
        if (lazy[k] != 0) {
            node[k] += lazy[k];
            node[k] %= mod;
            if (r - l > 1) {
                lazy[2 * k + 1] += lazy[k] / 2;
                lazy[2 * k + 2] += lazy[k] / 2;
            }
            lazy[k] = 0;
        }
    }

    void add(LL a, LL b, LL x, LL k = 0, LL l = 0, LL r = -1) {
        if (r < 0) r = n;
        eval(k, l, r);
        if (b <= l || r <= a) return;
        if (a <= l && r <= b) {
            lazy[k] += (r - l) * x;
            eval(k, l, r);
        } else {
            add(a, b, x, 2 * k + 1, l, (l + r) / 2);
            add(a, b, x, 2 * k + 2, (l + r) / 2, r);
            node[k] = node[2 * k + 1] + node[2 * k + 2];
            node[k] %= mod;
        }
    }

    LL getsum(LL a, LL b, LL k = 0, LL l = 0, LL r = -1) {
        if (r < 0) r = n;
        eval(k, l, r);
        if (b <= l || r <= a) return 0;
        if (a <= l && r <= b) return node[k] % mod;
        LL vl = getsum(a, b, 2 * k + 1, l, (l + r) / 2);
        LL vr = getsum(a, b, 2 * k + 2, (l + r) / 2, r);
        return (vl + vr) % mod;
    }

    void reset() {
        int sz = node.size();
        for (int i = 0; i < sz; i++) {
            node[i] = lazy[i] = 0;
        }
    }
};

int main() {

    int N, M, K;
    cin >> N >> M >> K;

    vector<int> L(M), R(M);
    for (int i = 0; i < M; i++) {
        cin >> L[i] >> R[i];
        L[i]--, R[i]--;
    }

    vector<vector<LL>> dp(K + 1, vector<LL>(N + 2, 0));
    dp[0][0] = 1;

    for (int i = 0; i < K; i++) {
        vector<LL> pSum(N + 3, 0);
        for (int j = 0; j < N + 1; j++) pSum[j + 1] = (pSum[j] + dp[i][j]) % mod;
        for (int j = 0; j < M; j++) {
            int l = L[j];
            int r = R[j];
            r++;
            LL d = (pSum[r] - pSum[l] + mod) % mod;
            dp[i + 1][l] += d;
            dp[i + 1][l] %= mod;
            dp[i + 1][r] = (dp[i + 1][r] - d + mod) % mod;
        }
        for (int j = 0; j < N + 1; j++) dp[i + 1][j + 1] = (dp[i + 1][j + 1] + dp[i + 1][j]) % mod;
    }

    cout << dp[K][N - 1] << endl;

    return 0;
}

yukicoder

結果

テストケース

ソースコード