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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#612247#7780. Dark LaTeX vs. Light LaTeXTJUHuangTaoAC ✓400ms325188kbC++204.2kb2024-10-05 09:47:072024-11-25 21:15:47

Judging History

你现在查看的是最新测评结果

  • [2024-11-25 21:15:47]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:AC
  • 用时:400ms
  • 内存:325188kb
  • [2024-11-25 20:53:52]
  • hack成功,自动添加数据
  • (/hack/1258)
  • [2024-10-05 09:47:08]
  • 评测
  • 测评结果:100
  • 用时:380ms
  • 内存:325216kb
  • [2024-10-05 09:47:07]
  • 提交

answer

#include<bits/stdc++.h>
// #define int long long
#define ll long long
#define db double
#define i128 __int128_t
#define pii pair<int, int>
using namespace std;
const int maxn = 5e3 + 10;
const int maxm = 1e6 + 10;
struct exKMP {
    int z[100010];
    void get_z(string& c) {
        int len = c.length();
        int p = 0, k = 1, l;
        z[0] = len;
        while (p + 1 < len && c[p] == c[p + 1])
            p++;
        z[1] = p;
        for (int i = 2; i < len; i++) {
            p = k + z[k] - 1;
            l = z[i - k];
            if (i + l <= p)
                z[i] = l;
            else {
                int j = max(0, p - i + 1);
                while (i + j < len && c[i + j] == c[j])
                    j++;
                z[i] = j;
                k = i;
            }
        }
    }
} Z;
struct SAM {
    int tot, lst, len[maxm], fa[maxm], c[maxm][27];
    int cnt[maxm];
    SAM() { tot = lst = 1; }
    int id[maxm], tong[maxm];
    void clear() {
        memset(len, 0, sizeof len);
        memset(fa, 0, sizeof fa);
        memset(c, 0, sizeof c);
        memset(cnt, 0, sizeof cnt);
        memset(id, 0, sizeof id);
        memset(tong, 0, sizeof tong);
        tot = lst = 1;
    }
    void topo() { //基数排序后, 逆序枚举为拓扑序
        for (int i = 1; i <= tot; i++) tong[len[i]]++;
        for (int i = 1; i <= tot; i++) tong[i] += tong[i - 1];
        for (int i = tot; i; i--) id[tong[len[i]]--] = i;
    }
    void extend(char ch) {
        int x = ch - 'a', cur = ++tot, u;
        cnt[cur] = 1, len[cur] = len[lst] + 1;
        for (u = lst; u && !c[u][x]; u = fa[u]) c[u][x] = cur;
        if (!u) fa[cur] = 1;
        else {
            int v = c[u][x];
            if (len[v] == len[u] + 1) fa[cur] = v;
            else {
                int clone = ++tot;
                len[clone] = len[u] + 1, fa[clone] = fa[v];
                memcpy(c[clone], c[v], sizeof c[v]);  // 时间复杂度在这个地方
                for (; u && c[u][x] == v; u = fa[u])
                    c[u][x] = clone;
                fa[cur] = fa[v] = clone;
            }
        }
        lst = cur;
    }
} sam;
int sub[maxn][maxn];
int cnt[maxn][maxn];
void get_cnt(string s, string t) { // cnt[i][j] : S [i, j] 在 T 的出现次数
    for (auto ch : t) sam.extend(ch);
    sam.topo();
    for (int i = sam.tot; i > 1; i--) {
        int u = sam.id[i], v = sam.fa[u];
        sam.cnt[v] += sam.cnt[u];
    }
    int n = s.length();
    int p = 1, len = 0;
    for (int i = 1; i <= n; i++) {
        while (p > 1 && !sam.c[p][s[i - 1] - 'a']) p = sam.fa[p], len = sam.len[p];
        if (sam.c[p][s[i - 1] - 'a']) p = sam.c[p][s[i - 1] - 'a'], len++;
        int u = p;
        for (int j = len; j >= 1; j--) {
            if (j <= sam.len[sam.fa[u]]) u = sam.fa[u];
            cnt[i - j + 1][i] = sam.cnt[u];
        }
    }
}
ll cal(string s, string t, int id) {
    int n = s.length(), m = t.length();
    ll ans = 0;
    // cout << "same" << ans << endl;
    get_cnt(s, t);
    if (id == 0) {
        for (int i = 1; i <= n; i++)
            for (int j = i; j <= n; j++)
                ans += cnt[i][j];
    }
    for (int i = 1; i <= n; i++) {
        string str2 = s.substr(i - 1);
        Z.get_z(str2);
        for (int j = 3; j <= str2.length(); j++) {
            int mxlen = min(Z.z[j - 1], j - 1);
            if (!mxlen) continue;
            // 右端点在 j - 1, 左端点在 2 到 mxlen + 1
            sub[i - 1 + j - 1][i - 1 + 2]++;
            sub[i - 1 + j - 1][i - 1 + mxlen + 1 + 1]--;
        }
    }
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= i; j++) {
            sub[i][j] += sub[i][j - 1];
            if (sub[i][j] > 0) {
                ans += sub[i][j] * cnt[j][i];
                // cout << "l, r = " << j << " " << i << endl;
            }
        }
    return ans;
}
signed main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    string s, t;
    cin >> s >> t;
    ll res = cal(s, t, 0);
    memset(sub, 0, sizeof sub);
    memset(cnt, 0, sizeof cnt);
    sam.clear();
    res += cal(t, s, 1);
    cout << res << endl;
    return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 12ms
memory: 324660kb

input:

abab
ab

output:

8

result:

ok 1 number(s): "8"

Test #2:

score: 0
Accepted
time: 0ms
memory: 324948kb

input:

abab
abaaab

output:

29

result:

ok 1 number(s): "29"

Test #3:

score: 0
Accepted
time: 4ms
memory: 324924kb

input:

abcd
abcde

output:

10

result:

ok 1 number(s): "10"

Test #4:

score: 0
Accepted
time: 0ms
memory: 324660kb

input:

aaba
ba

output:

6

result:

ok 1 number(s): "6"

Test #5:

score: 0
Accepted
time: 19ms
memory: 324660kb

input:

babababaaabbaabababbbaabbbababbaaaaa
aaaabbaababbab

output:

1161

result:

ok 1 number(s): "1161"

Test #6:

score: 0
Accepted
time: 367ms
memory: 324776kb

input:

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

78156256250000

result:

ok 1 number(s): "78156256250000"

Test #7:

score: 0
Accepted
time: 24ms
memory: 325016kb

input:

gzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggz...

output:

60716448

result:

ok 1 number(s): "60716448"

Test #8:

score: 0
Accepted
time: 20ms
memory: 324732kb

input:

mlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllml...

output:

60679828

result:

ok 1 number(s): "60679828"

Test #9:

score: 0
Accepted
time: 300ms
memory: 324748kb

input:

vbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvb...

output:

2655796915

result:

ok 1 number(s): "2655796915"

Test #10:

score: 0
Accepted
time: 291ms
memory: 325188kb

input:

ttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdttdt...

output:

2652657341

result:

ok 1 number(s): "2652657341"

Test #11:

score: 0
Accepted
time: 276ms
memory: 325040kb

input:

uupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupuupupuupu...

output:

2619083676

result:

ok 1 number(s): "2619083676"

Test #12:

score: 0
Accepted
time: 15ms
memory: 325072kb

input:

ggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxg...

output:

61227979

result:

ok 1 number(s): "61227979"

Test #13:

score: 0
Accepted
time: 98ms
memory: 324784kb

input:

cwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcw...

output:

834307544

result:

ok 1 number(s): "834307544"

Test #14:

score: 0
Accepted
time: 285ms
memory: 324740kb

input:

trtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtr...

output:

2663862697

result:

ok 1 number(s): "2663862697"

Test #15:

score: 0
Accepted
time: 23ms
memory: 324700kb

input:

gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg...

output:

0

result:

ok 1 number(s): "0"

Test #16:

score: 0
Accepted
time: 325ms
memory: 325012kb

input:

igkkcgocckgoocioiiggcgkigoggkociciigokikkcogkoookkiioikockoigokigiiciikcokoockgiiiogicgkkgoiogcggcgckgikccgcckoocgggogiccgkgcoccckgiooiogckoioiioogiicogkckgiickooiockogkoikogkkociioigocoiioccggkigciigcckkggiccciiiggkcgggcokookogiokoccccgogkcigokkckccoccgkoogokogkcioockkikigokiikkkoikiigckkooioogioio...

output:

1707132

result:

ok 1 number(s): "1707132"

Test #17:

score: 0
Accepted
time: 27ms
memory: 324784kb

input:

jkkkjjjkjkkkjjjjkkkkkjjjjjjkjjjjkjjjkkkjkjkkkkjjkkjjjkjkjjjkkkkjkjjkkkkkkkjkkkjkkjkkjjkkjjkjjjkkkjkjjkjkjjjjkkjjjjjjkkjjjkkkjkjkkkkkjkjjkjjkkkkkkkkjkkkjjkjjkkkjkjjkjjkkjjkkkkkjjjjjjkjjjkkjkjjkjjjkjkkjkjkkkkjjkkjkkjkkkjkkkkkkkjkjjkkjkjjkjkkkkkkkjkkjkkkkjkjkkkkkkkjkkjjkjjjkjjkkkkjkjkkjjjjjkjkjjjjkjkkk...

output:

2954810

result:

ok 1 number(s): "2954810"

Test #18:

score: 0
Accepted
time: 31ms
memory: 324792kb

input:

juxqlncuflculraueufcupffalouceftcepluhuupphohougacfftcrouohhnxopoguocjlpqpgppuhllpsnllqnftprunnucfcucclcplxuatfxtnljnuxnhapanlrpuexuflusncrapcrqpoganppxlloougftptxutfcrgchspahqghstuuefntfuauohlxlenpujeupuucnljxuunanustpuppllelnjcupqppaorpexophphnaopsxajtonupocuuoffpuqagutpuntfloalhrffhlrltghulpuoqop...

output:

40401

result:

ok 1 number(s): "40401"

Test #19:

score: 0
Accepted
time: 221ms
memory: 325032kb

input:

lmvbtqzhgzztvlsvzdesvgefvzkqfbvszmqjsgthnmhtifhztvhihdvgeqmhvzzqmqjhdmmteshvjbgvsfzgkivmvggvzbvzlemnmqhvqfmkmvmqhfqeehqvkgsedzmgbheeielzqzqtfzzvvjfievbzhdkfivhksmzbegkzsilnzgnzbqeqtghdzljvvfedmkeivmnzznhfhekvzeqvvfvqzehdhvsmklbzhhfzdtzqlmhehqqvkbqmvlzvmlzmzdzdbvmmmzimmqvleggmzigqmivqzqhvkezgmjvvivvg...

output:

1421341

result:

ok 1 number(s): "1421341"

Test #20:

score: 0
Accepted
time: 23ms
memory: 324692kb

input:

cccfcccffcffffffcfffffccffffffcccffffcffccfcffcfcfffcfcffcfcfcccccccfcffcfccccccffcccfcccfcccccccffcffffffcfccffcccfcfccfcffcfffccffccfffffccfcffcffffffffccfffffffccffcfccfcfcfffccfffffccccfcfccfccfcfcfccccfcccffccccfcccfccccfcfcffcccffcfffcfcccccffccfcccccccfffcffcccccccccccccfcfcffcffcffcffcffcfcf...

output:

3118221

result:

ok 1 number(s): "3118221"

Test #21:

score: 0
Accepted
time: 400ms
memory: 324740kb

input:

srrsrssrrsssrsrsrsrrrrrssrrssrsrsssrrrrsssrrsrrrsrrrrssrsssrssrrrsrrsrsssssrrrrrrrrrrsrrssrsrrrrrsssrrrrsssrsrrsrsssrrrrrsrrssrrssrrrrsrrsrsrsrrrsrrrrssrrssssrsrrrrsrssrsrsssssssrsrrsrrrrrsrssssrrsssrsssrrrrsssssrsrrrsssrssrrrssrsrsssssrrrssrrrrrsssrrsrrsrrrssrrssrsrsrssssrssssrsrrrsrrssrsrsrsrsrsrr...

output:

75529025

result:

ok 1 number(s): "75529025"

Test #22:

score: 0
Accepted
time: 230ms
memory: 324736kb

input:

onpboooppuaeabbabzpoopnqpopnyrabrrpbyorlebzprboypaprrpabebdobozuborppyualtbzauprrobnrqbzuzrrbebotqulratlrobaoyztyrpqqroorbyledaropnnploroabtelydozdopabapqubynynubpybptpoopnyrolparqpaoooobbperyuezponoboyuaopbpqpporplbdrooozbybueyrpnpzodrroyarzbpzyprpdpzboaaobpppalllranutyaobbdptrpprzubdbryapbudylbqab...

output:

3326939

result:

ok 1 number(s): "3326939"

Test #23:

score: 0
Accepted
time: 28ms
memory: 324924kb

input:

etweelwwwwwtttweetleettetlwwlltwwettwtwwlttletlwtltwtwelltetteleelelwwttelwleweltewtwllltwweeelwtweweeweetltttwtelteltwtewteetwwtltwetlteettelwtewtlletlltllwtweewletwtwtleewttlellwwteettlwtttwteetwwltwttelltweetttwtelleleetwewlewewewtewtetttweteeweltltelwwlwltlletwlweelelwlwelelettwllwlewleteeteellw...

output:

547040

result:

ok 1 number(s): "547040"

Test #24:

score: 0
Accepted
time: 16ms
memory: 324760kb

input:

wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww...

output:

38791844792

result:

ok 1 number(s): "38791844792"

Test #25:

score: 0
Accepted
time: 107ms
memory: 324980kb

input:

pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp...

output:

4804791846049

result:

ok 1 number(s): "4804791846049"

Test #26:

score: 0
Accepted
time: 252ms
memory: 325028kb

input:

jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj...

output:

10043476749324

result:

ok 1 number(s): "10043476749324"

Test #27:

score: 0
Accepted
time: 213ms
memory: 325052kb

input:

yhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyh...

output:

269398620

result:

ok 1 number(s): "269398620"

Test #28:

score: 0
Accepted
time: 214ms
memory: 324756kb

input:

yhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyh...

output:

269769773

result:

ok 1 number(s): "269769773"

Test #29:

score: 0
Accepted
time: 211ms
memory: 324796kb

input:

baababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabba...

output:

287077563

result:

ok 1 number(s): "287077563"

Extra Test:

score: 0
Extra Test Passed