QOJ.ac

QOJ

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
#358821#8337. Counter Reset ProblemKirill22#AC ✓48ms4416kbC++234.3kb2024-03-20 01:23:162024-03-20 01:23:16

Judging History

你现在查看的是最新测评结果

  • [2024-03-20 01:23:16]
  • 评测
  • 测评结果:AC
  • 用时:48ms
  • 内存:4416kb
  • [2024-03-20 01:23:16]
  • 提交

answer

#include "bits/stdc++.h"

using namespace std;

const int mod = (int) 1e9 + 9;

int add(int x, int y) {
    return x + y >= mod ? x + y - mod : x + y;
}

int sub(int x, int y) {
    return x - y < 0 ? x - y + mod : x - y;
}

int mul(int x, int y) {
    return x * 1ll * y % mod;
}

int binpow(int x, int n) {
    int res = 1;
    while (n) {
        if (n & 1) {
            res = mul(res, x);
        }
        x = mul(x, x);
        n >>= 1;
    }
    return res;
}

const int N = (int) 1e5;
int pw[N];

int check(int msk, int x) {
    return msk % (1 << x) != 0;
}

vector<int> upd(vector<int> dp, char c) {
    if (c == '0') {
        return dp;
    }
    int uk = 0;
    while (uk < dp.size() && dp[uk] > c - '0') uk++;
    if (uk == dp.size()) dp.push_back(c - '0');
    else dp[uk] = max(dp[uk], c - '0');
    return dp;
}

int get(string s) {
    vector<int> f = {10};
    vector<vector<int>> qu = {f};
    map<vector<int>, int> used;
    used[f] = 0;
    for (int i = 0; i < (int) qu.size(); i++) {
        for (int x = 0; x < 10; x++) {
            auto z = upd(qu[i], (char) '0' + x);
            if (used.find(z) == used.end()) {
                used[z] = (int) qu.size();
                qu.push_back(z);
            }
        }
    }
    const int k = (int) qu.size(), m = (int) s.size();
    vector<vector<int>> go(k, vector<int> (10));
    for (int i = 0; i < k; i++) {
        for (int x = 0; x < 10; x++) {
            go[i][x] = used[upd(qu[i], (char) '0' + x)];
        }
    }
    int ans = 0;
    for (int x = 0; x <= s[0] - '0'; x++) {
        if (x < s[0] - '0') {
            ans = add(ans, mul(10 - x, pw[m - 1]));
        } else {
            ans = add(ans, 10 - x);
            for (int j = 1; j < m; j++) {
                ans = add(ans, mul(10 - x, mul(s[j] - '0', pw[m - j - 1])));
            }
        }
    }
    vector<int> dp(k), dp2(k);
    int stk = 0;
    for (int i = 0; i < m; i++) {
        std::fill(dp2.begin(), dp2.end(), 0);
        for (int x = 0; x < 10; x++) {
            for (int msk = 0; msk < k; msk++) {
                dp2[go[msk][x]] = add(dp2[go[msk][x]], dp[msk]);
            }
            if (x < s[i] - '0') {
                dp2[go[stk][x]] = add(dp2[go[stk][x]], 1);
            } else if (x == s[i] - '0') {
                stk = go[stk][x];
            }
        }
        dp = dp2;
    }
    dp[stk]++;
    for (int i = 0; i < k; i++) {
        if ((int) qu[i].size() <= 2 || !dp[i]) {
            continue;
        }
        ans = add(ans, mul(10, mul((int) qu[i].size() - 2, dp[i])));
    }
    ans = sub(ans, 10);
    return ans;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    pw[0] = 1;
    for (int i = 1; i < N; i++) {
        pw[i] = mul(pw[i - 1], 10);
    }
//    get("10");
//    return 0;
//    cout << get("9") << " " << get("10") << " " << get("11") << endl;
//    return 0;
//    for (int n = 1; n < 25; n++) {
//        cout << n << " " << get(to_string(n)) - get(to_string(n - 1)) << endl;
//    }
//    return 0;
    int n;
    string L, R;
    cin >> n >> L >> R;
//    {
//        int ans = 0;
//        for (int x = stoi(L); x <= stoi(R); x++) {
//            string s = to_string(x);
//            if (s[0] != '0') ans += 10 - (s[0] - '0');
//            vector<int> dp = {(int) 1e9};
//            for (auto c : s) {
//                if (c == '0') continue;
//                int uk = 0;
//                while (uk < dp.size() && dp[uk] > c - '0') uk++;
//                if (uk == dp.size()) dp.push_back(c - '0');
//                else dp[uk] = max(dp[uk], c - '0');
//            }
//            ans += ((int) dp.size() - 2) * 10;
//        }
//        cout << ans;
//        return 0;
//    }
//    while (!L.empty() && L[0] == '0') {
//        L.erase(L.begin());
//    }
//    while (!R.empty() && R[0] == '0') {
//        R.erase(R.begin());
//    }
    int ans = get(R);
    if (count(L.begin(), L.end(), '0') != n) {
        for (int i = (int) L.size() - 1; i >= 0; i--) {
            if (L[i] == '0') {
                L[i] = '9';
            } else {
                L[i]--;
                break;
            }
        }
        ans = sub(ans, get(L));
    }
    cout << ans;
}

詳細信息

Test #1:

score: 100
Accepted
time: 3ms
memory: 4192kb

input:

2
19 23

output:

51

result:

ok 1 number(s): "51"

Test #2:

score: 0
Accepted
time: 3ms
memory: 4384kb

input:

6
100084 518118

output:

9159739

result:

ok 1 number(s): "9159739"

Test #3:

score: 0
Accepted
time: 3ms
memory: 4096kb

input:

12
040139021316 234700825190

output:

771011551

result:

ok 1 number(s): "771011551"

Test #4:

score: 0
Accepted
time: 3ms
memory: 4096kb

input:

1
5 6

output:

9

result:

ok 1 number(s): "9"

Test #5:

score: 0
Accepted
time: 3ms
memory: 4384kb

input:

2
06 72

output:

609

result:

ok 1 number(s): "609"

Test #6:

score: 0
Accepted
time: 3ms
memory: 4152kb

input:

3
418 639

output:

2912

result:

ok 1 number(s): "2912"

Test #7:

score: 0
Accepted
time: 42ms
memory: 4340kb

input:

5000
0517031462295902016787205636287842713710486158285091634061538907131690102542613263904109051429895599547551249682345434244517372300211330243052548402051817254239088411128320032011447373157210750522722463984933692575118884942425236057310901139962840332684448050855646476051878413350560455871387882...

output:

107583434

result:

ok 1 number(s): "107583434"

Test #8:

score: 0
Accepted
time: 48ms
memory: 4368kb

input:

5000
2839631722409885676641854449409094340492285620998199901290315528351589154393629439187822315178094894928108915180727622985054953310653613329475433266861767377091508110388139487587162480394472451041742086595826537286229012805321959193382957731290351060584443229684181235109638118508206073343246746...

output:

675394398

result:

ok 1 number(s): "675394398"

Test #9:

score: 0
Accepted
time: 42ms
memory: 4056kb

input:

5000
0121086815228520611727091239718315691985426539178955693257347642954702438161323478758508490896602335048895013843711247876462745921412007803120100676220049634783076688779134708737789972863426435630047856085762842025741483042162463573248808646044510524282002015852558702184741741663627502716091539...

output:

578074633

result:

ok 1 number(s): "578074633"

Test #10:

score: 0
Accepted
time: 45ms
memory: 4128kb

input:

5000
4009315923866078525437170431271052539467314353326632440452295409898108927334934001515186676883568587509019024813648111170281871732854866326020722523420074725860024843129825137935119924032162976610499681775742229100481059217175250566980703955103400572138763397380102014106688956905053311588400020...

output:

819323161

result:

ok 1 number(s): "819323161"

Test #11:

score: 0
Accepted
time: 22ms
memory: 4340kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

603082563

result:

ok 1 number(s): "603082563"

Test #12:

score: 0
Accepted
time: 43ms
memory: 4212kb

input:

5000
0000000000633885819366504765094216298281960115914830941309836432136467240201372806102560453534308348622092992247290436462357300397071633074308793521958159789664211849487860185596546426031984309106487856333298764102131430876495841906089018423483214628974388565112953850655936525351241150423557902...

output:

932985830

result:

ok 1 number(s): "932985830"

Test #13:

score: 0
Accepted
time: 43ms
memory: 4172kb

input:

5000
0000000000650071814576152799371217256711135670967833166238159122753757108206475870392502604983652311016561019624401935292136522985447486826468820130245419622704571928465636054879957833368768017917014412258366637135806195430779375102341403097313114652657311053858679927415807978179707936045164697...

output:

272575829

result:

ok 1 number(s): "272575829"

Test #14:

score: 0
Accepted
time: 42ms
memory: 4212kb

input:

5000
0000000000657328094229913746099323221146491408592219130181502886161406660277702363829799840322984053200487383170118175993742015582187072728949691015559424378545103435137870775283813213496909942045139231518000704584636857968337740896332218427286839853901635635205631771246231118877718651555449476...

output:

794251626

result:

ok 1 number(s): "794251626"

Test #15:

score: 0
Accepted
time: 42ms
memory: 4112kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

249826051

result:

ok 1 number(s): "249826051"

Test #16:

score: 0
Accepted
time: 44ms
memory: 4116kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

877173017

result:

ok 1 number(s): "877173017"

Test #17:

score: 0
Accepted
time: 48ms
memory: 4212kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

151485979

result:

ok 1 number(s): "151485979"

Test #18:

score: 0
Accepted
time: 43ms
memory: 4416kb

input:

5000
0159014801946206696258203734914898037641394210297261730549338421564727821732889635369991666567782236274462438080517568850617352494745082823560909208313152733628396054053172422625874823061159544738915513215515633519036492102915591743629184750409504215140627903979481678277623315334259446755105828...

output:

721368738

result:

ok 1 number(s): "721368738"

Test #19:

score: 0
Accepted
time: 46ms
memory: 4212kb

input:

5000
1593096611929089320399735515670839445317319641521540547482273258869976707444342997517499850977225584459583734048472878376916290891193430156881347098295345589049871574695262843296709640049484336491756355117553445542978365925369583583406406734326950373574468989639441003537832172772375589737899071...

output:

938487418

result:

ok 1 number(s): "938487418"

Test #20:

score: 0
Accepted
time: 42ms
memory: 4412kb

input:

5000
1942754790423610065924881906928119381391132828624720869957031069051460107457618922368312221824960963868132141390226651557497490792608519699575355021753486816233381998899114193162905677398416103685843594379329937984889028183716216739319144146889113025558315492727143533792499692123674201374872204...

output:

723492844

result:

ok 1 number(s): "723492844"

Test #21:

score: 0
Accepted
time: 43ms
memory: 4180kb

input:

5000
4062002096644487673020263989686288898129263292181828632789920013217757414472684149988936679623592326524449425327527672207934691459025745820923996124060064518639311904886395009369861933306193619424323629802988069193226260879633708828283152348279888974862721493316338548452978605219663779103239012...

output:

238281829

result:

ok 1 number(s): "238281829"

Test #22:

score: 0
Accepted
time: 45ms
memory: 4168kb

input:

5000
6316405933251299737337372498948127698855361795106851122342961878511099460284477800021689398773624710796531710111934536692264758409336968822534138067510480682327132829787521086380502223411574189720853737018253702539000736954530096098855210480774721647243160303878286632142888618049567476390480811...

output:

438115612

result:

ok 1 number(s): "438115612"

Test #23:

score: 0
Accepted
time: 42ms
memory: 4336kb

input:

5000
4312995075485686062543180629030314065218422802018901116305311949720089333627550862972827086943311274559763137206551659057830635552994046725440486537460417228963181395186626882241528751346159385275967489215558848690842325538312571185487608780842174973345018125820224444022865526286898846914681241...

output:

414266160

result:

ok 1 number(s): "414266160"

Test #24:

score: 0
Accepted
time: 42ms
memory: 4416kb

input:

5000
0258086533802944384387156598490812537122764239806464778492912263251810255189880663895709905649979907456754907239502806015536719760934923039556119131886838490466915234652947639266720467416389230731315037158937990393477937813832384167299260206768010113827843370432177823204051802021354476856735105...

output:

64847676

result:

ok 1 number(s): "64847676"

Test #25:

score: 0
Accepted
time: 39ms
memory: 4184kb

input:

5000
1060908140283541013245888192600010631685552708456164292614908505986842197764899377183662618610397275316175988006855369063828738809624059980852978342235894957407016210764697356445323759567892038560642666695593294909378068235791186540212051512547793737326942353251922108593809646186717444069399194...

output:

46089973

result:

ok 1 number(s): "46089973"

Test #26:

score: 0
Accepted
time: 39ms
memory: 4340kb

input:

5000
4167413337383512335342446844301295061283297832828337586399036812965628809584309280240335156549007875265018403232860390865650403559828858521226576098324688739416592074500021123122165578438715383733724065265859724840752630774162037584065233385787338015652858265386847420952773768786522984341856441...

output:

289963358

result:

ok 1 number(s): "289963358"

Test #27:

score: 0
Accepted
time: 45ms
memory: 4412kb

input:

5000
0016333155368124738088870770938980478519511839121409548927061239607054420424955716374905253395433974120004555646757520979538059659364833035441642423982778149708821441373452828856302141786564332166685062999047362082796733736904461408000518679191248454746816423311171496595881384512371985551985957...

output:

831498184

result:

ok 1 number(s): "831498184"

Test #28:

score: 0
Accepted
time: 42ms
memory: 4176kb

input:

5000
5092536296551794251043181638143747695055047667638655983429584258891712588224325674545229512946356577078967350285969472283180319383912962093190696463627527554628698850690973966211757510848419627816389188773320206947068778989020619318534488026535209398188789706361479060680484488911824233166170381...

output:

232548867

result:

ok 1 number(s): "232548867"

Test #29:

score: 0
Accepted
time: 45ms
memory: 4340kb

input:

5000
4250650491835895211380154911374118880219475610640757916147240362500104880620808530762344123980888292339437259581375290967595195746830677913147601662442399330928582487119875486342332667822985842301686413861142987548286348240942361774457164440066458920375413112071161055538460779044102959044496383...

output:

600488208

result:

ok 1 number(s): "600488208"

Test #30:

score: 0
Accepted
time: 43ms
memory: 4172kb

input:

5000
0000000000689078792067237718947428136594821842520489332698476953096081050443004774491088068653978931122890246667731895978262338006130108971352213349525758787905783267776002539885854055677272999660672296183028350453530189660455899343828445282255728924058584245940525190415132437297972695822279109...

output:

887505503

result:

ok 1 number(s): "887505503"

Test #31:

score: 0
Accepted
time: 46ms
memory: 4404kb

input:

5000
0000000000022121271882232360313107852566602611539514301356520582779830156937109065371076190844344608965131323524013303620896649114825312828542093066291828737963114945513196080146852787896344285823817341460491358653892467153045088134419113464433102015939811049514570760600972457269976090211961884...

output:

805027211

result:

ok 1 number(s): "805027211"

Test #32:

score: 0
Accepted
time: 43ms
memory: 4368kb

input:

5000
0000000000655258143985523409468362333040390212372889201638954055429475496420475344646752673292169310979974004259018721019774943143436225056989315666021154606929955509691052479829612484143399029185137961961904224760687081073181164608976833701710469728964824198019477823573078500411122321352408143...

output:

817305775

result:

ok 1 number(s): "817305775"

Test #33:

score: 0
Accepted
time: 39ms
memory: 4172kb

input:

5000
0000000000977853043576694047225399227210086922493669342733496307897953500774477296874716114502271719675269139177397229134428651178783123755665865371468690966481661122800434360623721854165798451817486468010819158274648686004500174373687929590147693675019891633373560050286228396315148221630242509...

output:

121593917

result:

ok 1 number(s): "121593917"

Test #34:

score: 0
Accepted
time: 43ms
memory: 4180kb

input:

5000
0000000000626847933851084471445813197397273635421637799221686455948052808565622535398102619895781412131685881963406264318131334291574165160956974488702833999982128858907022551925464777356511604362143099588141349054262136650241983023241186850500635027127232298038791110103217925320540465429578079...

output:

859770412

result:

ok 1 number(s): "859770412"

Test #35:

score: 0
Accepted
time: 43ms
memory: 4180kb

input:

5000
0000000000304243401410637355744802808733143685926175829233812528213453479871131108446674596961561046013094838367098551485599110034561978793633844518410906928604462778756766355621615924883101772853369939655287209121141140220603092065096713814992898390786602561069584785944502973388918962251742088...

output:

434661827

result:

ok 1 number(s): "434661827"

Test #36:

score: 0
Accepted
time: 42ms
memory: 4336kb

input:

5000
0000000000610523727147227044245934257508656780055358425742794275244952517850507397695762053339751873109506189007606141604459542156822164518307407582575075315832629466662597041565531419208169767059612454647764252183783064923890418860535482770645486496991346322389178352880274131087767972303098836...

output:

644040569

result:

ok 1 number(s): "644040569"

Test #37:

score: 0
Accepted
time: 42ms
memory: 4368kb

input:

5000
0000000000610091852181247077023000832216456399222387763619927598717508681275035226167283412004673572980957980402717453893826112768338773616062330558592109431953330116618467278798291497747305121371714461244238254762216799625177097143463130298124123226787267816764724839697760759349912767621877855...

output:

83534609

result:

ok 1 number(s): "83534609"

Test #38:

score: 0
Accepted
time: 43ms
memory: 4060kb

input:

5000
0000000000242616738203875233236973861419518431941561736955375287532653293772072421845606880661287146368249482401443956018202758259320445109639150994010196038940287579570474599000817155017574393956188924602724346439261731907670111733479014027966309087906395335929715951402141727143437701610426871...

output:

160784993

result:

ok 1 number(s): "160784993"

Test #39:

score: 0
Accepted
time: 2ms
memory: 4092kb

input:

1
0 0

output:

0

result:

ok 1 number(s): "0"

Test #40:

score: 0
Accepted
time: 2ms
memory: 4020kb

input:

2
00 00

output:

0

result:

ok 1 number(s): "0"

Test #41:

score: 0
Accepted
time: 2ms
memory: 4128kb

input:

3
000 000

output:

0

result:

ok 1 number(s): "0"

Test #42:

score: 0
Accepted
time: 2ms
memory: 4188kb

input:

4
0000 0000

output:

0

result:

ok 1 number(s): "0"

Test #43:

score: 0
Accepted
time: 22ms
memory: 4176kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

0

result:

ok 1 number(s): "0"

Test #44:

score: 0
Accepted
time: 42ms
memory: 4168kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

520894423

result:

ok 1 number(s): "520894423"

Test #45:

score: 0
Accepted
time: 43ms
memory: 4372kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

53974188

result:

ok 1 number(s): "53974188"

Test #46:

score: 0
Accepted
time: 45ms
memory: 4112kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

961014394

result:

ok 1 number(s): "961014394"

Test #47:

score: 0
Accepted
time: 39ms
memory: 4116kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

388131615

result:

ok 1 number(s): "388131615"

Test #48:

score: 0
Accepted
time: 43ms
memory: 4108kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

710918164

result:

ok 1 number(s): "710918164"

Test #49:

score: 0
Accepted
time: 39ms
memory: 4372kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

828554030

result:

ok 1 number(s): "828554030"

Test #50:

score: 0
Accepted
time: 43ms
memory: 4412kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

547595944

result:

ok 1 number(s): "547595944"

Test #51:

score: 0
Accepted
time: 45ms
memory: 4368kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

515152604

result:

ok 1 number(s): "515152604"

Test #52:

score: 0
Accepted
time: 45ms
memory: 4184kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

601070920

result:

ok 1 number(s): "601070920"

Extra Test:

score: 0
Extra Test Passed