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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#640780#7996. 报数 IVucup-team3519#WA 118ms4000kbC++173.5kb2024-10-14 15:59:462024-10-14 15:59:49

Judging History

你现在查看的是最新测评结果

  • [2024-10-14 15:59:49]
  • 评测
  • 测评结果:WA
  • 用时:118ms
  • 内存:4000kb
  • [2024-10-14 15:59:46]
  • 提交

answer

#include <bits/stdc++.h>

template <int m>
class ModInt {
    int raw;
    using mint = ModInt;
    using i64 = int64_t;

public:
    ModInt() : raw(0) {}
    ModInt(const auto &v) {
        raw = v % m;
        if (raw < 0) {
            raw += m;
        }
    }
    int operator()() const {
        return raw;
    }

    mint &operator+=(const mint &rhs) {
        raw += rhs.raw;
        if (raw >= m) {
            raw -= m;
        }
        return *this;
    }
    mint &operator-=(const mint &rhs) {
        raw -= rhs.raw;
        if (raw < 0) {
            raw += m;
        }
        return *this;
    }
    mint &operator*=(const mint &rhs) {
        raw = (i64)raw * rhs.raw % m;
        return *this;
    }
    mint &operator/=(const mint &rhs) {
        return *this *= qpow(rhs, m - 2);
    }

    friend mint operator+(const mint &lhs, const mint &rhs) {
        return mint{lhs} += rhs;
    }
    friend mint operator-(const mint &lhs, const mint &rhs) {
        return mint{lhs} -= rhs;
    }
    friend mint operator*(const mint &lhs, const mint &rhs) {
        return mint{lhs} *= rhs;
    }
    friend mint operator/(const mint &lhs, const mint &rhs) {
        return mint{lhs} /= rhs;
    }

    static mint qpow(mint a, i64 b) {
        mint res = 1;
        while (b) {
            if (b & 1) {
                res *= a;
            }
            a *= a, b >>= 1;
        }
        return res;
    }
};

using mint = ModInt<static_cast<int>(1e9 + 7)>;

int mod(std::string s) {
    int res = 0;
    for (char c : s) {
        res += (c - '0');
    }
    return res % 9;
}
mint val(std::string s) {
    mint res = 0;
    for (char c : s) {
        res = res * 10 + (c - '0');
    }
    return res;
}

void solve() {
    std::string s;
    std::cin >> s;

    int k, m;
    std::cin >> k >> m;

    if (k >= 10) {
        if (m > 9) {
            std::cout << "0\n";
        } else {
            m %= 9;
            mint ans = val(s);
            int p = mod(s);
            std::cout << ((ans - p) / 9 + (p >= m))() << '\n';
        }
        return;
    }

    int sum = 0;
    std::vector<mint> g;
    for (char c : s) {
        int d = c - '0';
        
        std::vector<mint> ng(std::max<int>(sum + d, g.size() + 10));
        for (int i = 0; i < d; ++i) {
            ng[sum + i] += 1;
        }
        for (int i = 0; i < 10; ++i) {
            for (int x = 0; x < g.size(); ++x) {
                ng[x + i] += g[x];
            }
        }
        sum += d;

        g.swap(ng);
        while (!g.empty() && g.back()() == 0) {
            g.pop_back();
        }
    }

    if (g.size() < sum + 1) {
        g.resize(sum + 1);
    }
    g[sum] += 1;
    g[0] -= 1;

    auto f = [](int x) {
        int res = 0;
        while (x) {
            res += x % 10;
            x /= 10;
        }
        return res;
    };
    for (int i = 1; i <= k - 1; ++i) {
        std::vector<mint> ng(g.size());

        for (int x = 0; x < g.size(); ++x) {
            ng[f(x)] += g[x];
        }

        g.swap(ng);
        while (!g.empty() && g.back()() == 0) {
            g.pop_back();
        }
    }

    if (g.size() < m + 1) {
        std::cout << "0\n";
    } else {
        std::cout << g[m]() << '\n';
    }
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int t;
    std::cin >> t;

    while (t--) {
        solve();
    }
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3784kb

input:

2
114 1 5
514 2 10

output:

8
10

result:

ok 2 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 3652kb

input:

5
114 1 5
514 2 10
114514 3 7
1919810 2 13
1145141919810114514191981011451419198101145141919810114514191981011451419198101145141919810114514191981011451419198101145141919810 1 79

output:

8
10
12724
504
481046284

result:

ok 5 lines

Test #3:

score: 0
Accepted
time: 118ms
memory: 3760kb

input:

5
3134666912140933323880320519044791121794814671711104987304374190280064994554822259889216567113228716903875026053927191961850586115167336109747673868148288830282192461669674173201533887392623483710043038941036243583011049049915834937139438028987629569618561762595613799223807979488245056374812076511...

output:

0
613343513
0
500149787
932367667

result:

ok 5 lines

Test #4:

score: 0
Accepted
time: 118ms
memory: 4000kb

input:

5
1139519997005658838804233882542131329603951012645222504700958241682545257324091070752720569220022637054777343187779232016568942045167801853025395316038491270541841827939668031807503056209394655628349207403327386083909984082879989255237547274110143051980886947606735206241362546384481120301780245959...

output:

0
0
983106233
842410978
351127737

result:

ok 5 lines

Test #5:

score: 0
Accepted
time: 117ms
memory: 3804kb

input:

5
8638076091316635855641492966551052879887835736093039980247820372626975300011595185556660107638347885877620156412525017113706895612406460047827904025826640853053762221239009476530804397983925491363476392003741370633988524528072186299564325622601218035310613510134479162974878452692502169127286160440...

output:

0
151494485
491996396
951216080
735591005

result:

ok 5 lines

Test #6:

score: 0
Accepted
time: 118ms
memory: 3772kb

input:

5
4594403190887655851098979323885347301970260472182981436563110607463337770897498592230279433635011809482497666151819612860549852933087582131069399973150048275594755688227873941703801791577493672811179138154635173296855021815570777969295164438906410283251071005981539590431740858876880832337309525533...

output:

452162993
993032288
529250142
0
0

result:

ok 5 lines

Test #7:

score: 0
Accepted
time: 117ms
memory: 3932kb

input:

5
7106329661074460076851813089444392472728206874451143771638786962963099120130351553150316525985245033972323999641553983578568333846746709032264525531367915930983812069660457027974526824268427908058438462283103774963889147187903776098321357665707620452891363086885353145154955480116362167820560099473...

output:

0
42143665
0
0
266635325

result:

ok 5 lines

Test #8:

score: 0
Accepted
time: 117ms
memory: 3772kb

input:

5
3197096843267069616758413776891049764649182364659681310636123435063129351340319661216252795154685419993835505771367978692486745621757064307866143997529010856187698866761085397967488612326286182291301655780420802213700700872824442868225191222911023750488609973480926167606063152176688092948837104972...

output:

447917122
738150576
134709012
571675718
0

result:

ok 5 lines

Test #9:

score: 0
Accepted
time: 117ms
memory: 3936kb

input:

5
7612942550467855237767978070830743429305395120370014044416141696259440200835613011108477499855450341979327882148431400498007877975643997499046007388707405687392636406520850657394581417406913024784851871291661719356877660941151602720564069428677800545614776632869404791295787921432277016643912651129...

output:

0
264129072
541216127
357954287
0

result:

ok 5 lines

Test #10:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

5
9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...

output:

0
0
0
0
0

result:

ok 5 lines

Test #11:

score: -100
Wrong Answer
time: 118ms
memory: 3948kb

input:

5
9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...

output:

910755804
259808709
937821856
357970005
357970005

result:

wrong answer 5th lines differ - expected: '357970004', found: '357970005'