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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#139474#6522. Digit ModeUrgantTeam#AC ✓574ms3604kbC++232.7kb2023-08-13 17:17:232023-08-13 17:17:25

Judging History

你现在查看的是最新测评结果

  • [2023-08-13 17:17:25]
  • 评测
  • 测评结果:AC
  • 用时:574ms
  • 内存:3604kb
  • [2023-08-13 17:17:23]
  • 提交

answer

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
int const maxn = 55;
int mod = 1e9 + 7;
int C[maxn][maxn], cnt[10];
ll dp[maxn][maxn];

ll solve(int n, int c, int mx) {
    for (int i = 0; i <= 10; i++) {
        if (i < 10 && cnt[i] > mx) return 0;
        for (int j = 0; j < maxn; j++) dp[i][j] = 0;
    }
    dp[0][n] = 1;
    for (int i = 0; i <= 9; i++) {
        for (int lst = 0; lst <= n; lst++) {
            if (!dp[i][lst]) continue;
            int l = 0, r = min(mx - cnt[i], lst);
            if (i == c) l = mx - cnt[i];
            else if (i > c) r = min(r, mx - cnt[i] - 1);
            for (int now = l; now <= r; now++) {
                dp[i + 1][lst - now] = (dp[i + 1][lst - now] + dp[i][lst] * C[lst][now]) % mod;
            }
        }
    }
    return dp[10][0];
}

int get(int n) {
    ll answer = 0;
    for (int c = 0; c <= 9; c++) {
        for (int cur = cnt[c]; cur <= cnt[c] + n; cur++) {
            answer = (answer + (ll)c * solve(n, c, cur)) % mod;
        }
    }
    return answer;
}

main() {
#ifdef HOME
    freopen("input.txt", "r", stdin);
#endif // HOME
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t;
    cin >> t;
    for (int i = 0; i < maxn; i++) C[i][0] = 1;
    for (int i = 1; i < maxn; i++) {
        for (int j = 1; j <= i; j++) C[i][j] = (C[i - 1][j] + C[i - 1][j - 1]) % mod;
    }
    vector < ll > calc = {0, 45, 570, 5955, 57087, 533943, 5092230, 50327850, 508658835, 141577340, 346748073, 63605721, 691146974, 747499077, 538394750, 265137024, 856024632, 427621971, 516162438, 440472972, 712880662, 791425298, 982743029, 438780983, 383079911, 230599376, 905706960, 197714458, 341824438, 954125005, 98726828, 948875929, 829350644, 341637655, 685873588, 261300047, 133758564, 474399230, 421324133, 863646999, 790696542, 382317337, 207636000, 134734713, 4883420, 322312711, 935473927, 97027071, 538107255, 825526842, 189695037};
    while (t--) {
        string s;
        cin >> s;
        int ans = 0;
        for (int i = 0; i < 10; i++) cnt[i] = 0;
        for (int len = 1; len < s.size(); len++) {
            /*for (int c = 1; c <= 9; c++) {
                cnt[c]++;
                ans = (ans + get(len - 1)) % mod;
                cnt[c]--;
            }*/
            ans = (ans + calc[len]) % mod;
        }
        for (int i = 0; i < s.size(); i++) {
            for (int j = 0; j < s[i] - '0'; j++) {
                cnt[j]++;
                if (i || j) {
                    ans = (ans + get(s.size() - i - 1)) % mod;
                }
                cnt[j]--;
            }
            cnt[s[i] - '0']++;
        }
        ans = (ans + get(0)) % mod;
        cout << ans << '\n';
    }
    return 0;
}


Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3540kb

input:

5
9
99
999
99999
999999

output:

45
615
6570
597600
5689830

result:

ok 5 number(s): "45 615 6570 597600 5689830"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

34
7
48
8
76
1
97
7
5
7
7
2
89
9
4
84
46
6
73
86
78
5
3
8
9
31
24
78
7
11
45
2
65
88
6

output:

28
236
36
420
1
597
28
15
28
28
3
525
45
10
484
221
21
399
500
435
15
6
36
45
145
104
435
28
47
215
3
341
516
21

result:

ok 34 numbers

Test #3:

score: 0
Accepted
time: 2ms
memory: 3472kb

input:

16
935
888
429
370
499
881
285
162
178
948
205
858
573
249
773
615

output:

6009
5618
2456
2078
2905
5562
1603
887
993
6121
1174
5378
3333
1374
4724
3631

result:

ok 16 numbers

Test #4:

score: 0
Accepted
time: 2ms
memory: 3540kb

input:

12
1242
9985
6469
9310
4191
9497
3166
3495
9711
9698
4137
2257

output:

7292
63531
37910
58047
23987
59479
18076
19675
61184
61086
23672
12913

result:

ok 12 numbers

Test #5:

score: 0
Accepted
time: 1ms
memory: 3476kb

input:

10
61195
72739
10164
79164
57851
12326
29132
55992
67377
13873

output:

337575
408170
63792
450686
316513
70493
157773
305011
374163
77954

result:

ok 10 numbers

Test #6:

score: 0
Accepted
time: 1ms
memory: 3544kb

input:

8
529983
127270
421121
291729
461233
695056
365028
271160

output:

2744573
687141
2160067
1500426
2359204
3705475
1851172
1381981

result:

ok 8 numbers

Test #7:

score: 0
Accepted
time: 4ms
memory: 3480kb

input:

7
7934351
8474057
1287369
5845624
7796773
5805755
7349121

output:

42465725
45668947
6716401
30094426
41554096
29861098
38756757

result:

ok 7 numbers

Test #8:

score: 0
Accepted
time: 13ms
memory: 3488kb

input:

3
5014252832385738
8762796162648653
919997886706385

output:

892033338
297722019
462512414

result:

ok 3 number(s): "892033338 297722019 462512414"

Test #9:

score: 0
Accepted
time: 51ms
memory: 3484kb

input:

2
775701797726112292362823101
75927988177061355614

output:

371275551
566830847

result:

ok 2 number(s): "371275551 566830847"

Test #10:

score: 0
Accepted
time: 370ms
memory: 3544kb

input:

1
65760982925996012426370962570581226245366145016666

output:

661063035

result:

ok 1 number(s): "661063035"

Test #11:

score: 0
Accepted
time: 391ms
memory: 3604kb

input:

1
62597468169905757754175023836706426691470692832490

output:

9983261

result:

ok 1 number(s): "9983261"

Test #12:

score: 0
Accepted
time: 402ms
memory: 3592kb

input:

1
78912847369504885593964702297317051208901751786824

output:

817123221

result:

ok 1 number(s): "817123221"

Test #13:

score: 0
Accepted
time: 571ms
memory: 3604kb

input:

1
99999999999999999999999999999999999999999999999999

output:

25251932

result:

ok 1 number(s): "25251932"

Test #14:

score: 0
Accepted
time: 379ms
memory: 3488kb

input:

1
999999999999999999999999999999999999999999999

output:

439421821

result:

ok 1 number(s): "439421821"

Test #15:

score: 0
Accepted
time: 245ms
memory: 3492kb

input:

1
9999999999999999999999999999999999999999

output:

387537647

result:

ok 1 number(s): "387537647"

Test #16:

score: 0
Accepted
time: 569ms
memory: 3472kb

input:

1
99999999999999999999999998889999898988888889998888

output:

909431898

result:

ok 1 number(s): "909431898"

Test #17:

score: 0
Accepted
time: 574ms
memory: 3476kb

input:

1
99999999999999999999999998989899988889989889999888

output:

289727470

result:

ok 1 number(s): "289727470"

Test #18:

score: 0
Accepted
time: 573ms
memory: 3596kb

input:

1
99999999999999999999999998998988898888898889898999

output:

962896416

result:

ok 1 number(s): "962896416"

Test #19:

score: 0
Accepted
time: 245ms
memory: 3592kb

input:

1
9999999999999999999989988898888989888899

output:

995903330

result:

ok 1 number(s): "995903330"

Test #20:

score: 0
Accepted
time: 245ms
memory: 3544kb

input:

1
9999999999999999999989999889889998998898

output:

385460258

result:

ok 1 number(s): "385460258"

Test #21:

score: 0
Accepted
time: 574ms
memory: 3488kb

input:

1
99999999999999999999999999999999999999999999999999

output:

25251932

result:

ok 1 number(s): "25251932"