QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#409353#8330. Count off 3zdczdcAC ✓234ms22616kbC++207.0kb2024-05-11 22:29:542024-05-11 22:29:54

Judging History

你现在查看的是测评时间为 2024-05-11 22:29:54 的历史记录

  • [2024-10-13 18:53:18]
  • 管理员手动重测本题所有得分≥97分的提交记录
  • 测评结果:AC
  • 用时:237ms
  • 内存:22156kb
  • [2024-05-11 22:29:54]
  • 评测
  • 测评结果:100
  • 用时:234ms
  • 内存:22616kb
  • [2024-05-11 22:29:54]
  • 提交

answer

#include <bits/stdc++.h>
// #define int int64_t
#define ALL(x) begin(x), end(x)
#define All(x, l, r) &x[l], &x[(r) + 1]
using namespace std;
void file() {
  freopen("1.in", "r", stdin);
  freopen("1.out", "w", stdout);
}
using ui = unsigned int;
using ll = long long;
using ull = unsigned long long;
using db = long double;
using Li = __int128_t;
template <typename T> using vec = vector<T>;

const int mod = 1e9 + 7;
void Add(int &x, int y) { if((x += y) >= mod) x -= mod; }
void Sub(int &x, int y) { if((x -= y) < 0) x += mod; }
int Sum(int x, int y) { return Add(x, y), x; } 
int Dif(int x, int y) { return Sub(x, y), x; }
int qpow(int x, int y) {
  int b = x, r = 1;
  for(; y; b = (ll)b * b % mod, y /= 2) if(y & 1) r = (ll)r * b % mod;
  return r;
}
int Inv(int x) { return qpow(x, mod - 2); }

const int nLim = 1e4 + 5;
array<array<int, nLim>, 7> pw;
array<array<array<array<int, 7>, 7>, 7>, nLim> odd, even;

void Init(int N) {
  for(int i = 1; i < 7; i++) {
    pw[i][0] = 1;
    for(int j = 1; j <= N; j++) {
      pw[i][j] = i * pw[i][j - 1] % 7;
    }
  }
  odd[0][0][0][0] = even[0][0][0][0] = 1;
  odd[1][0][0][0] = odd[1][1][2][3] = 1;
  for(int i = 2; i <= N / 2; i++) {
    odd[i] = odd[i - 1];
    int id = 2 * i - 1;
    for(int j = 0; j < 7; j++) {
      for(int k = 0; k < 7; k++) {
        for(int p = 0; p < 7; p++) {
          int nj = (j + pw[1][id]) % 7;
          int nk = (k + pw[2][id]) % 7;
          int np = (p + pw[3][id]) % 7;
          Add(odd[i][nj][nk][np], odd[i - 1][j][k][p]);
        }
      }
    }
  }
  even[1][1][1][1] = 1;
  for(int i = 2; i <= N / 2; i++) {
    even[i] = even[i - 1];
    int id = 2 * (i - 1);
    for(int j = 0; j < 7; j++) {
      for(int k = 0; k < 7; k++) {
        for(int p = 0; p < 7; p++) {
          int nj = (j + pw[1][id]) % 7;
          int nk = (k + pw[2][id]) % 7;
          int np = (p + pw[3][id]) % 7;
          Add(even[i][nj][nk][np], even[i - 1][j][k][p]);
        }
      }
    }
  }
}

void solve(int TT) {
  string str;
  cin >> str;
  int n = str.size(), res = 0, w = 1;
  for(int i = n - 1; ~i; i--) {
    if(!w) break;
    if(str[i] == '0') { w = 0; str[i]++; break; }
    str[i] = '0';
  }
  if(w) { str = " 1" + str; n++; }
  else str = " " + str;
  
  vec<int> so(4, 0), se(4, 0);
  for(int i = 1; i < n; i++) {
    int vl = str[i] - '0', p = n - i - 1;
    int le = p / 2 + 1, lo = (p + 1) / 2;
    if(!vl) continue;
    
    vec<vec<pair<int, int>>> vect(4);
    for(int j = 1; j < 4; j++) {
      for(int k = 0; k < 7; k++) {
        vect[j].emplace_back((k + 7 - so[j]) % 7, (k + 7 - se[j]) % 7);
      }
      for(int k = 1; k < 7; k++) { 
        vect[j].emplace_back((k + 7 - so[j]) % 7, (7 - k + 7 - se[j]) % 7);
      }
    }
    
    function <int()> solve0 = [&]() -> int {
      ll sum1 = 0, sum2 = 0;
      for(int j = 0; j < 7; j++) {
        for(int k = 0; k < 7; k++) {
          for(int p = 0; p < 7; p++) {
            sum1 += odd[lo][j][k][p];
            sum2 += even[le][j][k][p];
          }
        }
      }
      sum1 %= mod; sum2 %= mod;
      return sum1 * sum2 % mod;
    };
    
    function <int()> solve1 = [&]() -> int {
      Li res = 0;
      for(auto pr : vect[1]) {
        int x = pr.first, y = pr.second;
        ll sum1 = 0, sum2 = 0;
        for(int j = 0; j < 7; j++) {
          for(int k = 0; k < 7; k++) {
            sum1 += odd[lo][x][j][k];
            sum2 += even[le][y][j][k];
          }
        }
        sum1 %= mod; sum2 %= mod;
        res += sum1 * sum2;
      }
      return res % mod;
    };
    
    function <int()> solve2 = [&]() -> int {
      Li res = 0;
      for(auto pr : vect[2]) {
        int x = pr.first, y = pr.second;
        ll sum1 = 0, sum2 = 0;
        for(int j = 0; j < 7; j++) {
          for(int k = 0; k < 7; k++) {
            sum1 += odd[lo][j][x][k];
            sum2 += even[le][j][y][k];
          }
        }
        sum1 %= mod; sum2 %= mod;
        res += sum1 * sum2;
      }
      return res % mod;
    };
    
    function <int()> solve3 = [&]() -> int {
      Li res = 0;
      for(auto pr1 : vect[1]) {
        for(auto pr2 : vect[2]) {
          int x1 = pr1.first, y1 = pr1.second;
          int x2 = pr2.first, y2 = pr2.second;
          ll sum1 = 0, sum2 = 0;
          for(int j = 0; j < 7; j++) {
            sum1 += odd[lo][x1][x2][j];
            sum2 += even[le][y1][y2][j];
          }
          sum1 %= mod; sum2 %= mod;
          res += sum1 * sum2;
        }
      }
      return res % mod;
    };
    
    function <int()> solve4 = [&]() -> int {
      Li res = 0;
      for(auto pr : vect[3]) {
        int x = pr.first, y = pr.second;
        ll sum1 = 0, sum2 = 0;
        for(int j = 0; j < 7; j++) {
          for(int k = 0; k < 7; k++) {
            sum1 += odd[lo][j][k][x];
            sum2 += even[le][j][k][y];
          }
        }
        sum1 %= mod; sum2 %= mod;
        res += sum1 * sum2;
      }
      return res % mod;
    };
    
    function <int()> solve5 = [&]() -> int {
      Li res = 0;
      for(auto pr1 : vect[1]) {
        for(auto pr2 : vect[3]) {
          int x1 = pr1.first, y1 = pr1.second;
          int x2 = pr2.first, y2 = pr2.second;
          ll sum1 = 0, sum2 = 0;
          for(int j = 0; j < 7; j++) {
            sum1 += odd[lo][x1][j][x2];
            sum2 += even[le][y1][j][y2];
          }
          sum1 %= mod; sum2 %= mod;
          res += sum1 * sum2;
        }
      }
      return res % mod;
    };
    
    function <int()> solve6 = [&]() -> int {
      Li res = 0;
      for(auto pr1 : vect[2]) {
        for(auto pr2 : vect[3]) {
          int x1 = pr1.first, y1 = pr1.second;
          int x2 = pr2.first, y2 = pr2.second;
          ll sum1 = 0, sum2 = 0;
          for(int j = 0; j < 7; j++) {
            sum1 += odd[lo][j][x1][x2];
            sum2 += even[le][j][y1][y2];
          }
          sum1 %= mod; sum2 %= mod;
          res += sum1 * sum2;
        }
      }
      return res % mod;
    };
    
    function <int()> solve7 = [&]() -> int {
      Li res = 0;
      for(auto pr1 : vect[1]) {
        for(auto pr2 : vect[2]) {
          for(auto pr3 : vect[3]) {
            int x1 = pr1.first, y1 = pr1.second;
            int x2 = pr2.first, y2 = pr2.second;
            int x3 = pr3.first, y3 = pr3.second;
            res += (ll)odd[lo][x1][x2][x3] * even[le][y1][y2][y3];
          }
        }
      }
      return res % mod;
    };
    
    Add(res, solve0());
    Sub(res, solve1());
    Sub(res, solve2());
    Add(res, solve3());
    Sub(res, solve4());
    Add(res, solve5());
    Add(res, solve6());
    Sub(res, solve7());
    
    for(int j = 1; j < 4; j++) {
      if((n - i) & 1) (so[j] += pw[j][n - i]) %= 7;
      else (se[j] += pw[j][n - i]) %= 7;
    }
  }
  cout << res << "\n";
}

int32_t main() {
//  file();
  ios::sync_with_stdio(0); cin.tie(0);
  Init(1e4 + 3);
  int T = 1;
  cin >> T;
  for(int i = 1; i <= T; i++) solve(i);
  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: 11ms
memory: 22516kb

input:

5
1
1010
110101
1000111000
101101001000

output:

1
2
15
114
514

result:

ok 5 number(s): "1 2 15 114 514"

Test #2:

score: 0
Accepted
time: 8ms
memory: 22516kb

input:

10
1
11
1000
10111011
1000110100101001
11101110000001000011010011011000
110011000111110001101010101100100011010010101000011111001101011
11010111011101000010101111011111011011100001001101010011101011111111011011111101110110010011001101000001000111100010010111000010
10000000000000000000000000000000000...

output:

1
1
2
45
6591
814196699
193088128
849103726
497125329
363076920

result:

ok 10 numbers

Test #3:

score: 0
Accepted
time: 23ms
memory: 19148kb

input:

10
1
101
100101000
111111001111011001111100111
100001101010101000101110010111010010001101101110011111000001010001111100101010000
111001010100100100110011110111000111001001001001000100000011000110011000110101010010100000100101110101000011000011100010011001011000101110100111000110011011010111011111011...

output:

1
2
64
27062688
486363229
184013394
580592021
118930214
772664718
344619804

result:

ok 10 numbers

Test #4:

score: 0
Accepted
time: 80ms
memory: 21048kb

input:

10
1
1011
1101001010001110
1000010101110010000010010000000000001010111001001001110011001101
1001100101110111001000100100110111110001110010111011010101010111011101111101111100010000001100001001011100111100010110011010000010000000001100111011000001110011010000100000110101010011111100010111111100011011...

output:

1
3
10053
860833891
537931408
329471109
368911735
157523156
595487313
534701861

result:

ok 10 numbers

Test #5:

score: 0
Accepted
time: 120ms
memory: 22472kb

input:

10
1
11111
1010110010010000111001001
10011010100100001000110000111101101000111100001000000101010001100111111010001000101000000011100101000101100111100001001101100
11000100100010011101010101001011100010001100001010110011110101001101011000110001000111101010010000110111010001100100100111001000001000010...

output:

1
10
4692555
763463648
464152115
115362567
880780461
578723006
560068977
423846910

result:

ok 10 numbers

Test #6:

score: 0
Accepted
time: 146ms
memory: 22616kb

input:

10
1
101011
100100110100111100001101000101011100
1011011000011001101101010110000111011001001100110101111100110000100100101010000000110110010001110011101011000001011001000010001011101110110100110010111111000101101010110000101010101011001111100111011001101111011101
101000000111000010111000110000011000...

output:

1
13
955673880
266148454
368723690
496979115
190983211
772121423
932555320
843716403

result:

ok 10 numbers

Test #7:

score: 0
Accepted
time: 167ms
memory: 21796kb

input:

10
1
1101101
1100111111001000111100000010000111000000010101001
110111101101011000111101100110010011011100101110101111110011001111001101001000011001110011110101001110010110011110011001111010010101010011010011101101111010111000001110110111011011101000100001000001101110010111100110001110011101110111100...

output:

1
29
912933242
912560788
607401363
477602366
394403189
275067439
592568023
75193370

result:

ok 10 numbers

Test #8:

score: 0
Accepted
time: 169ms
memory: 22520kb

input:

10
1
10000010
100101110110100111100000100011111111010001100010100001100110001
111111000010011010111011111110000010101101011110100001101011110000001111001110001111110101000000010000001011000101101011010111011101111110101001000110011101010000111001011111100100010000010110110101010001110100111110110001...

output:

1
32
959140870
614330473
849221876
787816311
359958989
239371459
534701861
254356877

result:

ok 10 numbers

Test #9:

score: 0
Accepted
time: 179ms
memory: 21680kb

input:

10
1
111110011
111101001101011110100011110000100110011101010111111110100001111001101000100101101
11011010000110101011111110110011101010100100110001001111111011010000101111110001001011000011010101001000101110000100011011100101010110010101000101010111101100101110111100011011011000101101001001001100111...

output:

1
99
286317277
694681686
723919544
789291149
680541846
694957099
453387561
757810824

result:

ok 10 numbers

Test #10:

score: 0
Accepted
time: 202ms
memory: 22092kb

input:

10
1
1001001110
10110010111110100100111100111101101010111110111011001110000111101011011010110011110000000001110100
11000101011111110110100101100100100000010110001011100010101111111000000111000101100110111110101010111110010110111111110010110010001100000000111000101100010001110010001011111110101011111...

output:

1
120
987933828
449323095
435643580
557750562
122442298
758115947
388795572
87146822

result:

ok 10 numbers

Test #11:

score: 0
Accepted
time: 207ms
memory: 21812kb

input:

10
1
11010010100
100110110000100111011101001111000000000110111100011110111011110100001010101000000000100000101100100101110101011100111000
110111100000010010111000111011111100010100100111101001001101111010011011100100001010100010100011110111111100101011100111111011011000000111001111000101111010110111...

output:

1
325
391030697
323231960
401473132
822267612
841573845
283856764
804647498
76347459

result:

ok 10 numbers

Test #12:

score: 0
Accepted
time: 205ms
memory: 21452kb

input:

10
1
111111110011
100111010001010010111100011101110011110100101101010111001110101111000111010001111110000001000011010111010001001000011101100011100010010100010000
11001011101100010011111001010110110000110110011001011001000001001110010100100000000101100010001011010010001101000101110000111100100000001...

output:

1
704
677678115
593427859
667002509
574438492
664907465
979953874
8529137
613727900

result:

ok 10 numbers

Test #13:

score: 0
Accepted
time: 211ms
memory: 20088kb

input:

10
1
1100110101011
100111000010011100111101101100110010110000100011110101100100011001101011100011101101110111001101000001110010111001110011100101000111111000010101101100011000010100010101
1111010000010011010010011000010000000001000110111011101100111011100010110011100110011110011011110011110100011001...

output:

1
1146
832402516
402106502
689225542
416112434
991952024
938688647
880733772
630306115

result:

ok 10 numbers

Test #14:

score: 0
Accepted
time: 214ms
memory: 19928kb

input:

10
1
11000000000111
110010000100100011111101001100111010110111011101101011001001010110101111111101001000000100110011110101100111010110100100010100000100000011100010101011010001100001000111000101000011010110010100000
101001000110100011110100011001010101001010011111010111111001100111111100101111110111...

output:

1
2087
659256442
942088668
754989716
908871865
566839365
111034927
696022638
206335876

result:

ok 10 numbers

Test #15:

score: 0
Accepted
time: 218ms
memory: 22580kb

input:

10
1
111100001011110
101100010011110001000011110010011010011100110010111110100111111111100101100111010101001101111001111010111011011111000111000101101010001100111010100110110000111110100100101000001101111100000101101100010110101000011001110001101
11111110001100110111110110100010111010100010010010010...

output:

1
5612
120730460
903512843
440620378
736669452
35297346
414402862
87146822
461180872

result:

ok 10 numbers

Test #16:

score: 0
Accepted
time: 213ms
memory: 19928kb

input:

10
1
1011110111101110
11111011001101100000000011011111011000101001100010000000001010011110010000100000111100101011101111111111001000110011110000011001000111000010101100001001100111100100000010101101111100100100101110101100000000011101011100010111111010000101011000110010011000
11110011001110110000001...

output:

1
9074
47298040
806126372
607928251
829797230
861514498
6535505
135611721
148853296

result:

ok 10 numbers

Test #17:

score: 0
Accepted
time: 224ms
memory: 18860kb

input:

10
1
11101111010010001
1111011100010101011101000110010001011001010101000100111100010110101010010001100101001001011111101001101100110100100100101101011001100000101011000100001011101000101000110000110100100100001001000011000111000010100011001111111011010001110111101111010011100010110001010010000100001...

output:

1
25268
485539600
497476229
129697011
91489334
354698980
228961474
875061949
618786188

result:

ok 10 numbers

Test #18:

score: 0
Accepted
time: 229ms
memory: 19372kb

input:

10
1
101101011100110001
100111001100000111101000101110011011011011111101011110101111000010000101010001010110100101001001100010101100101001110110001101101100111111100001000100010010110101110010111101100110010000010001101011001110001001100111101100111010100100000000000010000100101001000110000111100100...

output:

1
38342
769759919
33866310
945890505
127750526
125262837
888967227
757810824
441419016

result:

ok 10 numbers

Test #19:

score: 0
Accepted
time: 228ms
memory: 20352kb

input:

10
1
1001100011010110111
11100110010001111111110100011111100100011011110000110100000111101100111110111010111010111001111111100111011000000101001111000010001100010001111001011000111111001111100100101101011001110011100000111011111110101000111011101101110101101101110101100000011000001001011011100001111...

output:

1
65218
438898572
348219276
776140964
704823526
170625715
198310775
477853700
897436999

result:

ok 10 numbers

Test #20:

score: 0
Accepted
time: 234ms
memory: 20780kb

input:

10
1
11010100111111001011
1000011001001001110110101001100001001101001001010010101010001110011001001000000000110001100110001110110111010100101011011001100101001110111001101101000111101100010110101100101110111101000101111010100110001011110111000110000110110111011101110010010011010001110101010110010000...

output:

1
183823
238142747
846693477
959968477
260267123
642987070
779134130
951392182
679687101

result:

ok 10 numbers

Extra Test:

score: 0
Extra Test Passed