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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
#674892#7780. Dark LaTeX vs. Light LaTeXKotomiAC ✓556ms395996kbC++202.4kb2024-10-25 17:38:512024-10-25 17:38:51

Judging History

你现在查看的是测评时间为 2024-10-25 17:38:51 的历史记录

  • [2024-11-25 21:18:49]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:AC
  • 用时:597ms
  • 内存:396148kb
  • [2024-11-25 20:53:52]
  • hack成功,自动添加数据
  • (/hack/1258)
  • [2024-10-25 17:38:51]
  • 评测
  • 测评结果:100
  • 用时:556ms
  • 内存:395996kb
  • [2024-10-25 17:38:51]
  • 提交

answer

#include <bits/stdc++.h>

#define multi_test 0
#define DEBUG 0

using LL = long long;
using PII = std::pair<int, int>;
using constStrRef = const std::string &;

template <bool added = false> LL solve(constStrRef s, constStrRef t) {
  int n = s.size(), m = t.size();
  int N = n + 10, M = m + 10;
  // f[i, j]表示后缀s[i]和s[j]可以匹配的最长前缀
  auto f = std::vector(N, std::vector(N, 0));
  // g[i, j]表示前缀s[i]和s[j]可以匹配的最长后缀
  auto g = std::vector(N, std::vector(M, 0));
  // h[j, i]表示s[i, j]在t中出现的次数的前缀和
  auto h = std::vector(N, std::vector(N, 0ll));

  for (int i = n; i; --i) {
    for (int j = n; j >= i; --j) {
      if (s[i - 1] == s[j - 1]) {
        f[i][j] = f[i + 1][j + 1] + 1;
      }
    }
  }

  LL ans = 0;
  for (int i = 1; i <= n; ++i) {
    for (int j = 1; j <= m; ++j) {
      if (s[i - 1] == t[j - 1]) {
        g[i][j] = g[i - 1][j - 1] + 1;
      }

      if constexpr (not added) {
        // s[i-g[i][j]+1, i] ... s[i][i] 在t中都多出现一次
        ans += g[i][j];
      }

      // [i, i-g[i][j]+1] ... [i, i] 区间加一
      // 由于 [j, i] j>i 没有意义 所以我们可以不需要减一
      h[i][i - g[i][j] + 1] += 1;
    }
  }

  // 求前缀和
  for (int i = 1; i <= n; ++i) {
    for (int j = 1; j <= n; ++j) {
      h[i][j] += h[i][j - 1];
    }
  }

  // 此时 h[j,i] 表示的是 s[i,j] 在t中出现的次数
  // 再求一次前缀和
  // 于是乎 h[j,r]-h[j,l-1] 表示的是 s[l,r] 的所有后缀在t中出现的次数
  for (int i = 1; i <= n; ++i) {
    for (int j = 1; j <= n; ++j) {
      h[i][j] += h[i][j - 1];
    }
  }

  for (int i = 1; i <= n; ++i) {
    for (int j = i + 2; j <= n; ++j) {
      if (not f[i][j])
        continue;
      int pos = i + f[i][j];
      ans += h[j - 1][std::min(j - 1, pos)] - h[j - 1][i];
    }
  }

  return ans;
}

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

  auto res =
      solve(s, t) + solve<true>({t.rbegin(), t.rend()}, {s.rbegin(), s.rend()});

  std::cout << res << '\n';
}

int main() {
  std::cin.tie(nullptr)->sync_with_stdio(false);
  if constexpr (DEBUG) {
    std::cerr.tie(nullptr);
    freopen("data.in", "r", stdin);
  }

  int T = 1;
  if constexpr (multi_test) {
    std::cin >> T;
  }

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

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: 3592kb

input:

abab
ab

output:

8

result:

ok 1 number(s): "8"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

abab
abaaab

output:

29

result:

ok 1 number(s): "29"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

abcd
abcde

output:

10

result:

ok 1 number(s): "10"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

aaba
ba

output:

6

result:

ok 1 number(s): "6"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3764kb

input:

babababaaabbaabababbbaabbbababbaaaaa
aaaabbaababbab

output:

1161

result:

ok 1 number(s): "1161"

Test #6:

score: 0
Accepted
time: 556ms
memory: 395996kb

input:

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

78156256250000

result:

ok 1 number(s): "78156256250000"

Test #7:

score: 0
Accepted
time: 7ms
memory: 19096kb

input:

gzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggz...

output:

60716448

result:

ok 1 number(s): "60716448"

Test #8:

score: 0
Accepted
time: 7ms
memory: 19092kb

input:

mlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllml...

output:

60679828

result:

ok 1 number(s): "60679828"

Test #9:

score: 0
Accepted
time: 326ms
memory: 395956kb

input:

vbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvb...

output:

2655796915

result:

ok 1 number(s): "2655796915"

Test #10:

score: 0
Accepted
time: 348ms
memory: 395960kb

input:

ttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdtdttdttdtdttdttdtdttdtdttdttdtdttdttdt...

output:

2652657341

result:

ok 1 number(s): "2652657341"

Test #11:

score: 0
Accepted
time: 347ms
memory: 395984kb

input:

uupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupupuupuupupuupuupupuupupuupuupupuupuupupuupu...

output:

2619083676

result:

ok 1 number(s): "2619083676"

Test #12:

score: 0
Accepted
time: 3ms
memory: 19216kb

input:

ggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxgxggxgxggxggxgxggxggxgxggxgxggxggxg...

output:

61227979

result:

ok 1 number(s): "61227979"

Test #13:

score: 0
Accepted
time: 129ms
memory: 145148kb

input:

cwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwcwwcwwcwcwwcwwcwcw...

output:

834307544

result:

ok 1 number(s): "834307544"

Test #14:

score: 0
Accepted
time: 349ms
memory: 395916kb

input:

trtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtrttrttrtrttrtrttrttrtr...

output:

2663862697

result:

ok 1 number(s): "2663862697"

Test #15:

score: 0
Accepted
time: 14ms
memory: 19216kb

input:

gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg...

output:

0

result:

ok 1 number(s): "0"

Test #16:

score: 0
Accepted
time: 325ms
memory: 395964kb

input:

igkkcgocckgoocioiiggcgkigoggkociciigokikkcogkoookkiioikockoigokigiiciikcokoockgiiiogicgkkgoiogcggcgckgikccgcckoocgggogiccgkgcoccckgiooiogckoioiioogiicogkckgiickooiockogkoikogkkociioigocoiioccggkigciigcckkggiccciiiggkcgggcokookogiokoccccgogkcigokkckccoccgkoogokogkcioockkikigokiikkkoikiigckkooioogioio...

output:

1707132

result:

ok 1 number(s): "1707132"

Test #17:

score: 0
Accepted
time: 11ms
memory: 19244kb

input:

jkkkjjjkjkkkjjjjkkkkkjjjjjjkjjjjkjjjkkkjkjkkkkjjkkjjjkjkjjjkkkkjkjjkkkkkkkjkkkjkkjkkjjkkjjkjjjkkkjkjjkjkjjjjkkjjjjjjkkjjjkkkjkjkkkkkjkjjkjjkkkkkkkkjkkkjjkjjkkkjkjjkjjkkjjkkkkkjjjjjjkjjjkkjkjjkjjjkjkkjkjkkkkjjkkjkkjkkkjkkkkkkkjkjjkkjkjjkjkkkkkkkjkkjkkkkjkjkkkkkkkjkkjjkjjjkjjkkkkjkjkkjjjjjkjkjjjjkjkkk...

output:

2954810

result:

ok 1 number(s): "2954810"

Test #18:

score: 0
Accepted
time: 9ms
memory: 19180kb

input:

juxqlncuflculraueufcupffalouceftcepluhuupphohougacfftcrouohhnxopoguocjlpqpgppuhllpsnllqnftprunnucfcucclcplxuatfxtnljnuxnhapanlrpuexuflusncrapcrqpoganppxlloougftptxutfcrgchspahqghstuuefntfuauohlxlenpujeupuucnljxuunanustpuppllelnjcupqppaorpexophphnaopsxajtonupocuuoffpuqagutpuntfloalhrffhlrltghulpuoqop...

output:

40401

result:

ok 1 number(s): "40401"

Test #19:

score: 0
Accepted
time: 287ms
memory: 395920kb

input:

lmvbtqzhgzztvlsvzdesvgefvzkqfbvszmqjsgthnmhtifhztvhihdvgeqmhvzzqmqjhdmmteshvjbgvsfzgkivmvggvzbvzlemnmqhvqfmkmvmqhfqeehqvkgsedzmgbheeielzqzqtfzzvvjfievbzhdkfivhksmzbegkzsilnzgnzbqeqtghdzljvvfedmkeivmnzznhfhekvzeqvvfvqzehdhvsmklbzhhfzdtzqlmhehqqvkbqmvlzvmlzmzdzdbvmmmzimmqvleggmzigqmivqzqhvkezgmjvvivvg...

output:

1421341

result:

ok 1 number(s): "1421341"

Test #20:

score: 0
Accepted
time: 14ms
memory: 19092kb

input:

cccfcccffcffffffcfffffccffffffcccffffcffccfcffcfcfffcfcffcfcfcccccccfcffcfccccccffcccfcccfcccccccffcffffffcfccffcccfcfccfcffcfffccffccfffffccfcffcffffffffccfffffffccffcfccfcfcfffccfffffccccfcfccfccfcfcfccccfcccffccccfcccfccccfcfcffcccffcfffcfcccccffccfcccccccfffcffcccccccccccccfcfcffcffcffcffcffcfcf...

output:

3118221

result:

ok 1 number(s): "3118221"

Test #21:

score: 0
Accepted
time: 354ms
memory: 395956kb

input:

srrsrssrrsssrsrsrsrrrrrssrrssrsrsssrrrrsssrrsrrrsrrrrssrsssrssrrrsrrsrsssssrrrrrrrrrrsrrssrsrrrrrsssrrrrsssrsrrsrsssrrrrrsrrssrrssrrrrsrrsrsrsrrrsrrrrssrrssssrsrrrrsrssrsrsssssssrsrrsrrrrrsrssssrrsssrsssrrrrsssssrsrrrsssrssrrrssrsrsssssrrrssrrrrrsssrrsrrsrrrssrrssrsrsrssssrssssrsrrrsrrssrsrsrsrsrsrr...

output:

75529025

result:

ok 1 number(s): "75529025"

Test #22:

score: 0
Accepted
time: 323ms
memory: 395960kb

input:

onpboooppuaeabbabzpoopnqpopnyrabrrpbyorlebzprboypaprrpabebdobozuborppyualtbzauprrobnrqbzuzrrbebotqulratlrobaoyztyrpqqroorbyledaropnnploroabtelydozdopabapqubynynubpybptpoopnyrolparqpaoooobbperyuezponoboyuaopbpqpporplbdrooozbybueyrpnpzodrroyarzbpzyprpdpzboaaobpppalllranutyaobbdptrpprzubdbryapbudylbqab...

output:

3326939

result:

ok 1 number(s): "3326939"

Test #23:

score: 0
Accepted
time: 7ms
memory: 19220kb

input:

etweelwwwwwtttweetleettetlwwlltwwettwtwwlttletlwtltwtwelltetteleelelwwttelwleweltewtwllltwweeelwtweweeweetltttwtelteltwtewteetwwtltwetlteettelwtewtlletlltllwtweewletwtwtleewttlellwwteettlwtttwteetwwltwttelltweetttwtelleleetwewlewewewtewtetttweteeweltltelwwlwltlletwlweelelwlwelelettwllwlewleteeteellw...

output:

547040

result:

ok 1 number(s): "547040"

Test #24:

score: 0
Accepted
time: 6ms
memory: 19160kb

input:

wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww...

output:

38791844792

result:

ok 1 number(s): "38791844792"

Test #25:

score: 0
Accepted
time: 143ms
memory: 145112kb

input:

pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp...

output:

4804791846049

result:

ok 1 number(s): "4804791846049"

Test #26:

score: 0
Accepted
time: 388ms
memory: 395928kb

input:

jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj...

output:

10043476749324

result:

ok 1 number(s): "10043476749324"

Test #27:

score: 0
Accepted
time: 243ms
memory: 275280kb

input:

yhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyh...

output:

269398620

result:

ok 1 number(s): "269398620"

Test #28:

score: 0
Accepted
time: 232ms
memory: 281864kb

input:

yhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyhyyhyhhyyhhyhyyhyhhyhyyhhyyhyhhyyhhyhyyhhyyh...

output:

269769773

result:

ok 1 number(s): "269769773"

Test #29:

score: 0
Accepted
time: 222ms
memory: 281952kb

input:

baababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabba...

output:

287077563

result:

ok 1 number(s): "287077563"

Extra Test:

score: 0
Extra Test Passed