#323312 (C++17) No.797 Noelちゃんとピラミッド

提出ソース

結果

問題	No.797 Noelちゃんとピラミッド
ユーザー	ganariya
提出日時	2019-03-15 21:51:55
言語	C++17 (gcc 13.3.0 + boost 1.87.0)
結果	AC
実行時間	180 ms / 2,000 ms
コード長	7,377 bytes
コンパイル時間	1,367 ms
コンパイル使用メモリ	138,432 KB
最終ジャッジ日時	2025-01-06 22:22:02
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	131 ms 23,460 KB
testcase_01	AC	126 ms 22,680 KB
testcase_02	AC	143 ms 23,384 KB
testcase_03	AC	167 ms 22,532 KB
testcase_04	AC	172 ms 21,608 KB
testcase_05	AC	173 ms 22,800 KB
testcase_06	AC	171 ms 22,256 KB
testcase_07	AC	168 ms 23,020 KB
testcase_08	AC	172 ms 21,388 KB
testcase_09	AC	169 ms 22,188 KB
testcase_10	AC	169 ms 22,852 KB
testcase_11	AC	173 ms 22,860 KB
testcase_12	AC	168 ms 22,848 KB
testcase_13	AC	165 ms 21,356 KB
testcase_14	AC	175 ms 21,636 KB
testcase_15	AC	168 ms 22,276 KB
testcase_16	AC	165 ms 21,724 KB
testcase_17	AC	167 ms 23,440 KB
testcase_18	AC	166 ms 21,596 KB
testcase_19	AC	168 ms 22,964 KB
testcase_20	AC	165 ms 22,792 KB
testcase_21	AC	173 ms 23,232 KB
testcase_22	AC	170 ms 21,480 KB
testcase_23	AC	157 ms 22,808 KB
testcase_24	AC	138 ms 21,024 KB
testcase_25	AC	152 ms 22,516 KB
testcase_26	AC	149 ms 22,856 KB
testcase_27	AC	166 ms 22,984 KB
testcase_28	AC	163 ms 21,356 KB
testcase_29	AC	137 ms 22,180 KB
testcase_30	AC	145 ms 22,520 KB
testcase_31	AC	161 ms 21,224 KB
testcase_32	AC	141 ms 23,656 KB
testcase_33	AC	155 ms 22,132 KB
testcase_34	AC	144 ms 21,752 KB
testcase_35	AC	165 ms 23,272 KB
testcase_36	AC	134 ms 22,872 KB
testcase_37	AC	163 ms 22,124 KB
testcase_38	AC	180 ms 23,184 KB
testcase_39	AC	150 ms 22,788 KB
testcase_40	AC	128 ms 23,852 KB
testcase_41	AC	132 ms 22,104 KB
testcase_42	AC	147 ms 21,904 KB
testcase_43	AC	126 ms 22,776 KB
testcase_44	AC	124 ms 22,252 KB
testcase_45	AC	123 ms 22,088 KB
testcase_46	AC	124 ms 21,892 KB
testcase_47	AC	128 ms 23,568 KB
testcase_48	AC	124 ms 22,596 KB
testcase_49	AC	125 ms 21,724 KB
testcase_50	AC	123 ms 21,172 KB
testcase_51	AC	124 ms 22,592 KB
testcase_52	AC	124 ms 22,852 KB
testcase_53	AC	127 ms 21,792 KB
testcase_54	AC	125 ms 22,068 KB
testcase_55	AC	127 ms 21,624 KB
testcase_56	AC	128 ms 22,688 KB
testcase_57	AC	128 ms 22,324 KB
testcase_58	AC	125 ms 21,948 KB
testcase_59	AC	124 ms 23,308 KB
testcase_60	AC	131 ms 21,856 KB
testcase_61	AC	124 ms 21,240 KB
testcase_62	AC	124 ms 21,148 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
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//  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
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//  MMMMNMMMM#lltwDzttllOXyW0X:..(OXk<Rl=ll=lwOlllOld3<``.(Rd>~?CdklllltttttXdXttzOWktrwwWpfpkrtMMMMMMMM
//  MMMMMMMMM@ltldIzlttOXyW$w$```(OyD(Rl==llldZ=llIlw;~```-Xd:~~~~UkylltttAyHdgSrzObRtOXwpfppWrrMMMMMMMM
//  MMMMMMMMM@llldtlllldVyW+d>```.wZ$ wl==lI=wRl=ll=w<```` dd_..~~(RZXOQdggHH9ZwrzwHWrdXXppfppkrMMMMMMMM
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//  MMMMMMMMMMMMKyWzOzyyyk.`<!  hdWMH]``(S==t=l(kX2 ?_`    WMMHH#HH+.XwkwOttttrwrZ~(HfpfpppfpWwXMMMMMMMM
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//  MMMMMMMMMMMMMKzZZZZXkUXr~....```````....```````````` ...  ````..JXWWyyW83vXx~..WfffVfWVffffkdMMMMMMM
//  MMMMMMMMMMMMMRzZZZZZZZZb````````````<````````````./<~._<_.____`(WfdyW3<:~~(XWkVVVVVVVHVVVVV0dMMMMMMM
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//  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;

LL fac[2000010];
LL inv[2000010];

LL pow_mod(LL n, LL p) {
    LL ret = 1;
    while (p > 0) {
        if (p & 1) ret = (ret * n) % mod;
        n = (n * n) % mod;
        p >>= 1;
    }
    return ret;
}

void prepare() {
    fac[0] = fac[1] = 1LL;
    inv[0] = inv[1] = 1LL;
    for (LL i = 2; i <= 1000008; i++) {
        fac[i] = (fac[i - 1] * i) % mod;
        inv[i] = pow_mod(fac[i], mod - 2);
    }
}

LL ncr_mod(LL n, LL r) {
    LL d = fac[n] * inv[n - r] % mod * inv[r] % mod;
    return d;
}

int main() {

    int N;
    cin >> N;

    vector<LL> a(N);
    for (int i = 0; i < N; i++) cin >> a[i];

    prepare();

    LL ans = 0;

    for (int i = 0; i < N; i++) {
        ans += ncr_mod(N - 1, i) * a[i];
        ans %= mod;
    }


    cout << ans << endl;

    return 0;
}

yukicoder

結果

テストケース

ソースコード