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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
#793631#2018. 字符串匹配ucup-team3282100 ✓391ms48884kbC++141.9kb2024-11-29 21:51:552024-11-29 21:51:56

Judging History

你现在查看的是最新测评结果

  • [2024-11-29 21:51:56]
  • 评测
  • 测评结果:100
  • 用时:391ms
  • 内存:48884kb
  • [2024-11-29 21:51:55]
  • 提交

answer

#include <bits/stdc++.h>
#define lowbit(x) (x&-x)
using namespace std;
const unsigned long long P = 37, N = (1 << 21);
unsigned long long power[N], Hash[N];
int len, Count[29], pre[N], suf[N];
char ch[N];

struct BIT {
  int tree[P];
  void init() {
    for (int i = 1; i < P; ++i) tree[i] = 0;
  }

  void upt(int id, int val) {
    while (id < P) tree[id] += val, id += lowbit(id);
  }

  int sum(int id) {
    int res = 0;
    while (id > 0) res += tree[id], id -= lowbit(id);
    return res;
  }
} tr;//check point: 树状数组的下标绝对不能为0!!!

void initHash() {
  for (int i = 1; i < len + 1; ++i) {
    Hash[i] = Hash[i - 1] * P + (ch[i] - 'a');
  }
}

inline unsigned long long H(int l, int r) {
  return Hash[r] - Hash[l - 1] * power[r - l + 1];
}

void solve() {
  long long res = 0;
  scanf("%s", ch + 1);
  len = strlen(ch + 1);
  initHash(); tr.init();
  memset(Count, 0, sizeof(Count));
  memset(pre, 0, sizeof(pre));
  memset(suf, 0, sizeof(suf));

  int cc = 0;
  for (int i = 1; i < len + 1; ++i) {
    Count[ch[i] - 'a']++;
    if (Count[ch[i] - 'a'] % 2 == 0) {
      cc--;
    } else {
      cc++;
    }

    pre[i] = cc;
  }
  
  cc = 0; memset(Count, 0, sizeof(Count));
  for (int i = len; i > 0; --i) {
    Count[ch[i] - 'a']++;
    if (Count[ch[i] - 'a'] % 2 == 0) {
      cc--;
    } else {
      cc++;
    }

    suf[i] = cc;
  }
  
  for (int i = 1; i < len + 1; ++i) {
    for (int m = 1; m <= len / i; ++m) {
      int l = (m - 1) * i + 1, r = m * i;
      if (H(l, r) != H(1, i) || r >= len) {
        break;
      }

      res += tr.sum(suf[r + 1] + 1);
    }
    
    tr.upt(pre[i] + 1, 1);
  }

  printf("%lld\n", res);
}

signed main() {
	//freopen("T2.in", "r", stdin);
  int T; scanf("%d", &T); power[0] = 1;
  for (int i = 1; i < N; ++i) power[i] = power[i - 1] * P;

  while (T--) solve();

  return 0;
}

詳細信息


Pretests


Final Tests

Test #1:

score: 4
Accepted
time: 3ms
memory: 39452kb

input:

5
jjjjjjjjjj
lllllllcyg
mgmgmgmgmg
nycqtnycqt
tdutduwyga

output:

30
39
30
20
33

result:

ok 5 tokens

Test #2:

score: 4
Accepted
time: 3ms
memory: 40768kb

input:

5
hhhhhhhhhh
iiiiiiibkw
dgdgdgdgdg
ffffffffyf
ffzffzwsnw

output:

30
39
30
44
36

result:

ok 5 tokens

Test #3:

score: 4
Accepted
time: 3ms
memory: 40572kb

input:

5
rrrrrrrrrr
iiiiiiiwzr
dididididi
wwwwzqcjvv
mbymbyhgpc

output:

30
39
30
28
33

result:

ok 5 tokens

Test #4:

score: 4
Accepted
time: 0ms
memory: 39360kb

input:

5
cccccccccc
lllllllket
tututututu
ccbuxccbux
pnppnpnlwl

output:

30
39
30
26
32

result:

ok 5 tokens

Test #5:

score: 4
Accepted
time: 0ms
memory: 38736kb

input:

5
uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuubgmwdgmgwvqvkbcvihsk
qdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaaqdaa
csqblzrdlnifzdoijirxfuuojcsqblzrdlnifzdoijirxfuuojcsqblzrdlnifzdoijirxfuuojcsqblzrdlnifzdoijirxf...

output:

6590
3585
2313
4359
4486

result:

ok 5 tokens

Test #6:

score: 4
Accepted
time: 0ms
memory: 38680kb

input:

5
llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllsuqtxhunfvotmxfqebwj
rpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpiarpia
yyexplkvmxjuqzgrsmdaztszfyyexplkvmxjuqzgrsmdaztszfyyexplkvmxjuqzgrsmdaztszfyyexplkvmxjuqzgrsmdaz...

output:

6564
3560
2607
4517
4554

result:

ok 5 tokens

Test #7:

score: 4
Accepted
time: 3ms
memory: 38624kb

input:

5
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnkvpnzxdkdhjucliujhhl
quegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegquegqueg
aicsiooegbozaohagssdehvjzaicsiooegbozaohagssdehvjzaicsiooegbozaohagssdehvjzaicsiooegbozaohagssde...

output:

6517
3560
2888
4965
4105

result:

ok 5 tokens

Test #8:

score: 4
Accepted
time: 3ms
memory: 40236kb

input:

5
ppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppphytnmeyelaxegcuzqkv
joksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoksjoks
yqmqquzipayftwvwjnbqptuhwyqmqquzipayftwvwjnbqptuhwyqmqquzipayftwvwjnbqptuhwyqmqquzipayftwvwjnbqp...

output:

6604
3560
2738
4804
4832

result:

ok 5 tokens

Test #9:

score: 4
Accepted
time: 3ms
memory: 39260kb

input:

5
ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

690923
325466
274377
538726
519032

result:

ok 5 tokens

Test #10:

score: 4
Accepted
time: 7ms
memory: 39784kb

input:

5
ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

688611
325466
278014
483768
516890

result:

ok 5 tokens

Test #11:

score: 4
Accepted
time: 3ms
memory: 38728kb

input:

5
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr...

output:

690572
325466
282653
400319
517082

result:

ok 5 tokens

Test #12:

score: 4
Accepted
time: 3ms
memory: 38768kb

input:

5
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj...

output:

689440
325466
278624
464740
501911

result:

ok 5 tokens

Test #13:

score: 4
Accepted
time: 8ms
memory: 40168kb

input:

5
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee...

output:

714173984
606072908
715934994
603558188
714547382

result:

ok 5 tokens

Test #14:

score: 4
Accepted
time: 7ms
memory: 39988kb

input:

5
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv...

output:

713410981
603184777
713761452
714012718
603184777

result:

ok 5 tokens

Test #15:

score: 4
Accepted
time: 13ms
memory: 39460kb

input:

5
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee...

output:

3502305645
3504362490
3495279874
3496151003
2412446034

result:

ok 5 tokens

Test #16:

score: 4
Accepted
time: 14ms
memory: 40060kb

input:

5
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...

output:

2419023179
3481792643
2416893029
3498851133
2414888013

result:

ok 5 tokens

Test #17:

score: 4
Accepted
time: 12ms
memory: 38972kb

input:

5
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd...

output:

2414715183
2414053265
3498760311
2415418741
2412193453

result:

ok 5 tokens

Test #18:

score: 4
Accepted
time: 18ms
memory: 39580kb

input:

5
uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu...

output:

14044909130
13758605640
8021703699
4927122703
9489413350

result:

ok 5 tokens

Test #19:

score: 4
Accepted
time: 25ms
memory: 39416kb

input:

5
ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

14044820948
13781146461
7453935828
4673360128
9488558416

result:

ok 5 tokens

Test #20:

score: 4
Accepted
time: 27ms
memory: 39280kb

input:

5
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr...

output:

14044830602
13805450160
7984918891
4873659736
9491430029

result:

ok 5 tokens

Test #21:

score: 4
Accepted
time: 21ms
memory: 39568kb

input:

5
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

14044823925
13789617860
7597752918
4978465106
9490927685

result:

ok 5 tokens

Test #22:

score: 4
Accepted
time: 236ms
memory: 48120kb

input:

5
ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

903628883069
902178522904
467114641327
305284235317
620652587747

result:

ok 5 tokens

Test #23:

score: 4
Accepted
time: 226ms
memory: 48884kb

input:

5
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq...

output:

903629704237
901055755987
504315438243
304698187610
620653531389

result:

ok 5 tokens

Test #24:

score: 4
Accepted
time: 391ms
memory: 48456kb

input:

5
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...

output:

904243010503
904253960505
904235088477
667900329073
904248230739

result:

ok 5 tokens

Test #25:

score: 4
Accepted
time: 374ms
memory: 48816kb

input:

5
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...

output:

904261912252
904260123920
904263261760
667900331468
904241569561

result:

ok 5 tokens

Extra Test:

score: 0
Extra Test Passed