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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
#346473#8340. 3 Sumucup-team055#AC ✓260ms3892kbC++231.7kb2024-03-08 16:02:592024-10-13 18:47:37

Judging History

你现在查看的是最新测评结果

  • [2024-10-13 18:47:37]
  • 管理员手动重测本题所有得分≥97分的提交记录
  • 测评结果:AC
  • 用时:260ms
  • 内存:3892kb
  • [2024-09-20 10:20:30]
  • hack成功,自动添加数据
  • (/hack/848)
  • [2024-03-18 21:48:05]
  • hack成功,自动添加数据
  • (/hack/579)
  • [2024-03-18 21:45:33]
  • hack成功,自动添加数据
  • (/hack/578)
  • [2024-03-08 16:03:00]
  • 评测
  • 测评结果:100
  • 用时:239ms
  • 内存:3956kb
  • [2024-03-08 16:02:59]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll INF = LLONG_MAX / 4;
#define rep(i, a, b) for(ll i = a; i < b; i++)
#define all(a) begin(a), end(a)
ll sz(auto& a) { return size(a); }
template<class T> bool chmin(T& a, T b) { if(a <= b) return 0; a = b; return 1; }
template<class T> bool chmax(T& a, T b) { if(a >= b) return 0; a = b; return 1; }

using u128 = __uint128_t;
random_device rnd;
const u128 m = (u128)INF << 64 | (u128)rnd() << 32 | rnd();
struct mm {
    u128 x;
    mm(u128 x = 0): x(x) {}
    mm &operator+=(mm b){if((x+=b.x) >= m) x-=m; return *this;}
    friend mm operator+(mm a, mm b){ return a+=b;}
    mm d() const { return *this + *this; }
    friend bool operator==(mm a, mm b) { return a.x == b.x; }
};

int main() {
    cin.tie(0)->sync_with_stdio(0);
    ll N, K;
    cin >> N >> K;
    mm M = 0;
    rep(_, 0, K) {
        M += M;
        M += M.d().d();
        M += 9;
    }

    auto get = [&] {
        string S;
        cin >> S;
        ranges::reverse(S);
        vector<ll> A(K);
        rep(i, 0, sz(S)) {
            ll j = i % K;
            A[j] += S[i] - '0';
            while(A[j] >= 10) {
                A[j] -= 10;
                j++;
                if(j == K) j = 0;
                A[j]++;
            }
        }
        mm x = 0;
        for(ll d : A | views::reverse) {
            x += x;
            x += x.d().d();
            x += d;
        }
        return x;
    };
    vector<mm> A(N);
    for(mm& a : A) a = get();

    ll ans = 0;
    rep(i, 0, N) rep(j, i, N) rep(k, j, N) {
        const mm s = A[i] + A[j] + A[k];
        ans += s == 0 || s == M || s == M + M || s == M + M + M;
    }

    cout << ans << endl;
}

这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3552kb

input:

4 1
0
1
10
17

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 94ms
memory: 3660kb

input:

500 859
7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 260ms
memory: 3840kb

input:

500 17336
11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...

output:

0

result:

ok 1 number(s): "0"

Test #4:

score: 0
Accepted
time: 159ms
memory: 3724kb

input:

500 1
751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...

output:

2327631

result:

ok 1 number(s): "2327631"

Test #5:

score: 0
Accepted
time: 154ms
memory: 3760kb

input:

500 2
408542968136435277974575411503179002415404345446801430469044749372949272333801248935236224652806667129749035002588943020176263162139056819871274824302889304493205266143688886696157147111754418731401856424401766968832165255416237731963027205324149660112574729610391396555581935236134531799950318...

output:

212002

result:

ok 1 number(s): "212002"

Test #6:

score: 0
Accepted
time: 229ms
memory: 3760kb

input:

500 11500
75411775796562109942642493394321873284995260953010112281856775261847503626737348402159485133662757032091519863427156582689971229143089317472838196453888261138079171290535429921921548971897026706656838415620603757605079012541561774699628665865662183868374645956694140356716037674688084770628...

output:

7675

result:

ok 1 number(s): "7675"

Test #7:

score: 0
Accepted
time: 225ms
memory: 3716kb

input:

500 11500
85355036663164764459816544518601485185320972076300982726542821424439713703229669576802138231401047471351087455159512255765325323540671792953715169122669767368905391325060775725733157611188832204902997772518104188947349204726490597030311894441123834099315122116302203972018409854605418988681...

output:

1070

result:

ok 1 number(s): "1070"

Test #8:

score: 0
Accepted
time: 1ms
memory: 3892kb

input:

1 11500
9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...

output:

1

result:

ok 1 number(s): "1"

Extra Test:

score: 0
Extra Test Passed