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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
#367489#8512. Harmonic Operationshos_lyricTL 1ms4068kbC++143.3kb2024-03-26 02:07:282024-03-26 02:07:28

Judging History

你现在查看的是最新测评结果

  • [2024-03-26 02:07:28]
  • 评测
  • 测评结果:TL
  • 用时:1ms
  • 内存:4068kb
  • [2024-03-26 02:07:28]
  • 提交

answer

#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

using namespace std;

using Int = long long;

template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; };
template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; }
template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; }
template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; }
template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; }
#define COLOR(s) ("\x1b[" s "m")


/*
  s, t: Z/MZ -> char
  s ~~> t
  t[i] = s[f[i]]
  t = s o f  (pullback)
  
  0 <= d < M
    d  : x -> (+x + d) mod M
    M+d: x -> (-x + d) mod M
*/
int M;
int mod(int d) {
  for (; d < 0; d += M) {}
  for (; d >= M; d -= M) {}
  return d;
}
// f o g
int mul(int f, int g) {
  return (((f >= M) != (g >= M)) ? M : 0) + mod(f + ((f >= M) ? -g : g));
}


int SLen;
char S[200'010];
int K;
vector<int> F;

int readFunc() {
  char op;
  scanf(" %c", &op);
  if (op == 'I') {
    return M + (M - 1);
  } else if (op == 'R') {
    int d;
    scanf("%d", &d);
    return mod(-d);
  } else if (op == 'L') {
    int d;
    scanf("%d", &d);
    return mod(d);
  } else {
    assert(false);
  }
}

int main() {
  for (; ~scanf("%s", S); ) {
    SLen = strlen(S);
    
    vector<int> fail(SLen + 1);
    {
      int j = fail[0] = -1;
      for (int i = 0; i < SLen; ++i) {
        for (; ~j && S[j] != S[i]; j = fail[j]) {}
        fail[i + 1] = ++j;
      }
    }
    M = SLen - fail[SLen];
    if (SLen % M != 0) M = SLen;
cerr<<"M = "<<M<<endl;
    
    // S = S o tar
    int tar = -1;
    for (int i = 0, j = 0; i < 2 * M; ++i) {
      const char s = S[mod(-i)];
      for (; ~j && S[j] != s; j = fail[j]) {}
      if (++j == M) {
        // -i-1, -i-2, ..., -i+1, -i -> 0, 1, ..., M-2, M-1
cerr<<"tar = M + "<<mod(-i-1)<<endl;
        tar = M + mod(-i-1);
        break;
      }
    }
    
    scanf("%d", &K);
    F.resize(K);
    for (int k = 0; k < K; ++k) {
      F[k] = readFunc();
    }
    
    vector<int> FProd(K + 1);
    FProd[0] = 0;
    for (int k = 0; k < K; ++k) {
      FProd[k + 1] = mul(FProd[k], F[k]);
    }
// cerr<<"F = "<<F<<endl;
// cerr<<"FProd = "<<FProd<<endl;
    /*
      F[l] o ... o F[r-1] = (0 or tar)
      FProd[r] = FProd[l] o (0 or tar)
    */
    Int ans = 0;
    vector<int> freq(2 * M, 0);
    for (int k = K; k >= 0; --k) {
      const int f = FProd[k];
      ans += freq[f];
      if (~tar) {
        ans += freq[mul(f, tar)];
      }
      ++freq[f];
    }
    printf("%lld\n", ans);
  }
  return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3784kb

input:

pda
2
R 2
L 2

output:

1

result:

ok 1 number(s): "1"

Test #2:

score: 0
Accepted
time: 1ms
memory: 3784kb

input:

aaa
4
R 1
I
I
R 1

output:

10

result:

ok 1 number(s): "10"

Test #3:

score: 0
Accepted
time: 1ms
memory: 3780kb

input:

caso
6
L 1
I
I
R 1
I
I

output:

4

result:

ok 1 number(s): "4"

Test #4:

score: 0
Accepted
time: 1ms
memory: 3840kb

input:

qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
100
L 12
I
R 47
L 54
I
I
R 80
L 86
L 19
R 5
L 53
L 40
R 20
L 11
R 40
I
I
R 66
R 6
L 76
L 93
R 39
I
I
L 24
R 59
R 99
L 52
I
I
R 77
L 11
R 60
L 16
I
L 40
I
R 35
L 64
R 11
L 34
I
R 35
I
L 87
I
I
L 42
L ...

output:

5050

result:

ok 1 number(s): "5050"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

wewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewe
100
R 83
R 34
I
I
R 87
R 74
L 98
I
L 77
L 8
R 23
L 94
I
I
L 79
L 87
L 47
L 85
L 49
L 7
I
I
R 97
R 15
I
R 66
L 8
R 62
R 68
I
I
R 32
R 24
R 36
L 60
R 75
R 77
I
L 42
I
L 61
I
I
R 78
R 51
L 98
I
L 77
I
I...

output:

2556

result:

ok 1 number(s): "2556"

Test #6:

score: 0
Accepted
time: 0ms
memory: 4064kb

input:

rtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtrtr
100
R 27
R 68
I
L 29
L 51
L 19
L 12
L 10
L 52
L 38
L 17
R 30
L 29
L 51
L 17
R 29
I
R 96
R 50
R 56
I
I
I
L 73
L 15
I
R 1
R 81
L 94
R 27
R 52
R 57
R 44
I
I
L 53
I
R 87
L 39
L 25
I
I
R 25
I
I
I
L 88
L ...

output:

116

result:

ok 1 number(s): "116"

Test #7:

score: 0
Accepted
time: 1ms
memory: 3776kb

input:

tcldtcldtcldtcldtcldtcldtcldtcldtcld
100
L 20
I
I
I
L 20
R 13
L 16
L 19
R 10
I
I
I
L 11
R 30
R 30
I
L 35
I
L 28
R 23
R 24
L 20
R 15
I
I
L 13
I
R 1
I
R 6
I
I
L 22
I
L 22
R 22
L 30
L 30
I
I
I
R 35
I
R 3
L 1
R 4
I
R 11
R 2
R 21
R 15
I
R 5
L 2
L 4
L 7
L 19
L 29
R 8
I
L 24
I
I
I
L 29
I
R 35
R 32
I
R 14
L...

output:

703

result:

ok 1 number(s): "703"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

wflbkhwflbkhwflbkhwflbkhwflbkhwflbkh
100
I
R 28
R 13
R 7
R 29
I
I
I
R 25
R 10
R 23
I
R 26
I
I
L 18
I
R 18
L 6
I
I
R 8
R 8
I
R 6
L 16
I
R 2
R 17
L 31
R 31
L 22
R 26
L 21
L 20
R 10
L 13
R 33
R 13
R 35
R 22
L 2
L 4
R 19
L 32
L 25
I
L 31
R 10
R 17
R 15
L 6
L 9
R 31
R 20
I
I
R 4
I
L 30
L 30
L 2
R 18
R 35...

output:

442

result:

ok 1 number(s): "442"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

mzgaokjwpmzgaokjwpmzgaokjwpmzgaokjwp
100
R 10
I
L 24
L 8
I
L 19
L 25
I
I
R 27
R 24
I
I
L 16
I
I
L 35
R 14
I
L 23
R 17
R 16
R 4
R 4
L 29
I
R 11
R 9
R 15
I
L 18
I
I
L 25
R 13
L 24
I
I
L 8
I
I
I
I
L 24
I
I
L 19
L 23
I
L 20
R 35
L 31
I
I
R 27
I
I
I
L 35
R 16
L 10
R 28
R 14
I
I
R 30
R 18
L 16
L 6
L 12
R ...

output:

280

result:

ok 1 number(s): "280"

Test #10:

score: 0
Accepted
time: 0ms
memory: 4068kb

input:

gtvcymjngzntgtvcymjngzntgtvcymjngznt
100
L 33
L 5
R 31
R 18
I
R 14
R 9
L 1
I
R 1
R 15
L 15
I
I
I
L 13
R 7
I
I
L 2
I
L 3
I
L 19
L 22
L 2
R 32
I
L 1
R 24
R 23
I
R 25
L 11
R 34
R 25
I
L 25
R 22
R 34
I
I
L 2
R 13
L 3
I
L 30
I
R 7
R 20
I
R 24
L 34
R 23
I
L 26
R 22
I
I
I
R 17
I
I
L 14
R 27
R 35
I
L 34
L 3...

output:

206

result:

ok 1 number(s): "206"

Test #11:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

dvaauyemcqhrmduoumdvaauyemcqhrmduoum
100
L 21
R 12
R 30
L 13
I
I
L 1
L 31
R 4
L 20
I
L 6
I
L 29
R 19
L 12
R 25
R 25
I
R 21
I
L 12
L 25
R 35
L 8
R 7
R 29
I
R 4
L 24
R 29
I
I
I
L 12
L 24
R 19
L 33
L 4
I
R 35
I
R 16
I
R 10
I
R 18
R 7
L 33
I
I
R 22
L 16
L 7
L 20
R 32
I
I
R 27
I
L 9
R 16
I
I
R 32
I
R 1
L...

output:

180

result:

ok 1 number(s): "180"

Test #12:

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

input:

pkmsckbnjeeojagpdtfxlmlgofbrygcuqiahynrwooxgdruurdgxoowrnyhaiqucgyrbfoglmlxftdpgajoeejnbkcsmkplhxxhl
100
L 14
R 54
L 88
L 66
L 38
R 91
I
I
I
I
R 56
L 4
L 76
R 12
L 86
I
I
I
I
R 52
L 98
L 98
L 39
R 60
L 14
R 23
R 92
R 99
L 71
I
I
I
I
L 1
R 33
I
R 65
L 72
I
I
I
R 20
R 48
L 81
L 7
I
R 72
R 14
I
I
R 10
...

output:

75

result:

ok 1 number(s): "75"

Test #13:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

txgcggvgarkkflejgkaukutnsjogrglpdmocuhyiboientoffaaaffotneiobiyhucomdplgrgojsntukuakgjelfkkragvggcgxt
100
R 35
R 84
I
R 68
R 24
L 42
L 24
R 16
R 80
R 95
L 9
L 26
L 96
R 64
I
R 56
I
L 5
R 83
R 2
R 57
R 28
I
R 17
I
R 11
I
R 100
L 42
I
L 89
I
L 91
I
I
R 78
I
R 30
L 6
I
L 56
L 48
R 79
L 8
I
R 5
L 25
R 2...

output:

76

result:

ok 1 number(s): "76"

Test #14:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

qhygenaiejhluibjfyjbdoslylsodbjyfjbiulhjeianegyhqydgoxbmbcuslmfqgraeqkpuerbnbreupkqeargqfmlsucbmbxogdy
100
L 41
R 73
R 41
I
R 59
R 77
I
I
R 21
L 5
R 30
R 3
L 94
I
L 36
R 2
R 85
L 39
L 17
R 47
I
R 86
L 30
R 38
R 80
I
R 39
I
I
L 99
I
L 15
I
L 76
L 68
L 91
I
R 71
R 36
L 14
L 15
I
L 63
R 71
I
L 38
I
R 3...

output:

48

result:

ok 1 number(s): "48"

Test #15:

score: -100
Time Limit Exceeded

input:

yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...

output:


result: