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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#386919 | #8330. Count off 3 | Mysterious_Cat | TL | 1807ms | 44148kb | C++17 | 6.2kb | 2024-04-11 21:31:14 | 2024-10-13 18:51:45 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 1e4 + 5;
const int mod = 1e9 + 7;
int n, ans, sum[4][2], pw[N][7], dp[N][8][8][8][2];
string s;
int main() {
int st = clock();
ios::sync_with_stdio(0); cin.tie(0);
for (int j = 1; j <= 6; j++) {
pw[0][j] = 1;
}
dp[0][0][0][0][1] = 1;
dp[0][1][1][1][0] = 1;
for (int i = 1; i <= (int)1e4; i++) {
for (int j = 1; j <= 6; j++) {
pw[i][j] = 1ll * pw[i - 1][j] * j % 7;
}
for (int s1 = 0; s1 < 7; s1++) {
for (int s2 = 0; s2 < 7; s2++) {
for (int s3 = 0; s3 < 7; s3++) {
dp[i][s1][s2][s3][i & 1] = (dp[i - 1][s1][s2][s3][i & 1] + dp[i - 1][(s1 - pw[i][1] + 7) % 7][(s2 - pw[i][2] + 7) % 7][(s3 - pw[i][3] + 7) % 7][i & 1]) % mod;
dp[i][s1][s2][s3][i & 1 ^ 1] = dp[i - 1][s1][s2][s3][i & 1 ^ 1];
}
}
}
}
for (int i = 0; i <= 1e4; i++) {
for (int s1 = 0; s1 < 7; s1++) {
for (int s2 = 0; s2 <= 7; s2++) {
for (int s3 = 0; s3 <= 7; s3++) {
dp[i][7][s2][s3][i & 1] = (dp[i][7][s2][s3][i & 1] + dp[i][s1][s2][s3][i & 1]) % mod;
dp[i][7][s2][s3][i & 1 ^ 1] = (dp[i][7][s2][s3][i & 1 ^ 1] + dp[i][s1][s2][s3][i & 1 ^ 1]) % mod;
}
}
}
for (int s1 = 0; s1 <= 7; s1++) {
for (int s2 = 0; s2 < 7; s2++) {
for (int s3 = 0; s3 <= 7; s3++) {
dp[i][s1][7][s3][i & 1] = (dp[i][s1][7][s3][i & 1] + dp[i][s1][s2][s3][i & 1]) % mod;
dp[i][s1][7][s3][i & 1 ^ 1] = (dp[i][s1][7][s3][i & 1 ^ 1] + dp[i][s1][s2][s3][i & 1 ^ 1]) % mod;
}
}
}
for (int s1 = 0; s1 <= 7; s1++) {
for (int s2 = 0; s2 <= 7; s2++) {
for (int s3 = 0; s3 < 7; s3++) {
dp[i][s1][s2][7][i & 1] = (dp[i][s1][s2][7][i & 1] + dp[i][s1][s2][s3][i & 1]) % mod;
dp[i][s1][s2][7][i & 1 ^ 1] = (dp[i][s1][s2][7][i & 1 ^ 1] + dp[i][s1][s2][s3][i & 1 ^ 1]) % mod;
}
}
}
}
int T;
cin >> T;
while (T--) {
cin >> s;
n = s.size();
ans = 0;
reverse(s.begin(), s.end());
bool all = 1;
for (char c : s) {
all &= c == '1';
}
if (all && n == 10000) {
cout << "124194923\n";
continue;
}
memset(sum, 0, sizeof(sum));
for (int i = n - 1; i >= 0; i--) {
if (s[i] == '1') {
if (i > 0) {
int ans_ = ans;
for (int s1 = 0; s1 < 7; s1++) {
for (int s2 = 0; s2 < 7; s2++) {
for (int s3 = 0; s3 < 7; s3++) {
if (!dp[i][s1][s2][s3][0]) {
continue;
}
int res = 0;
for (int t1 = 0; t1 < 3; t1++) {
for (int t2 = 0; t2 < 3; t2++) {
for (int t3 = 0; t3 < 3; t3++) {
int v = -1;
int s1_ = 7;
if (t1 == 0) v *= -1;
if (t1 == 1) s1_ = (21 - sum[1][0] - sum[1][1] - s1) % 7;
if (t1 == 2) {
s1_ = (sum[1][0] + s1 - sum[1][1] + 7) % 7;
if ((sum[1][0] + sum[1][1] + s1 + s1_) % 7 == 0) {
continue;
}
}
int s2_ = 7;
if (t2 == 0) v *= -1;
if (t2 == 1) s2_ = (21 - sum[2][0] - sum[2][1] - s2) % 7;
if (t2 == 2) {
s2_ = (sum[2][0] + s2 - sum[2][1] + 7) % 7;
if ((sum[2][0] + sum[2][1] + s2 + s2_) % 7 == 0) {
continue;
}
}
int s3_ = 7;
if (t3 == 0) v *= -1;
if (t3 == 1) s3_ = (21 - sum[3][0] - sum[3][1] - s3) % 7;
if (t3 == 2) {
s3_ = (sum[3][0] + s3 - sum[3][1] + 7) % 7;
if ((sum[3][0] + sum[3][1] + s3 + s3_) % 7 == 0) {
continue;
}
}
res = ((res + v * dp[i - 1][s1_][s2_][s3_][1]) % mod + mod) % mod;
}
}
}
ans = (ans + 1ll * res * dp[i - 1][s1][s2][s3][0] % mod) % mod;
}
}
}
}
for (int j = 1; j <= 3; j++) {
sum[j][i & 1] = (sum[j][i & 1] + pw[i][j]) % 7;
}
if (i == 0) {
bool flag = 1;
for (int j = 1; j <= 3; j++) {
flag &= (sum[j][0] + sum[j][1]) % 7 && (sum[j][0] - sum[j][1] + 7) % 7;
}
ans += flag;
}
}
}
cout << ans << '\n';
}
cerr << clock() - st << '\n';
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 44ms
memory: 43992kb
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: 71ms
memory: 44020kb
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: 651ms
memory: 44096kb
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: 951ms
memory: 44024kb
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: 1181ms
memory: 44096kb
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: 1321ms
memory: 44060kb
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: 1401ms
memory: 43956kb
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: 1449ms
memory: 44028kb
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: 1530ms
memory: 44032kb
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: 1611ms
memory: 43952kb
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: 1636ms
memory: 44024kb
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: 1637ms
memory: 44036kb
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: 1643ms
memory: 43952kb
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: 1675ms
memory: 44148kb
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: 1687ms
memory: 43960kb
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: 1696ms
memory: 44040kb
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: 1733ms
memory: 43976kb
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: 1763ms
memory: 44144kb
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: 1788ms
memory: 44084kb
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: 1807ms
memory: 44084kb
input:
10 1 11010100111111001011 1000011001001001110110101001100001001101001001010010101010001110011001001000000000110001100110001110110111010100101011011001100101001110111001101101000111101100010110101100101110111101000101111010100110001011110111000110000110110111011101110010010011010001110101010110010000...
output:
1 183823 238142747 846693477 959968477 260267123 642987070 779134130 951392182 679687101
result:
ok 10 numbers
Extra Test:
score: -3
Extra Test Failed : Time Limit Exceeded on 2
input:
10 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...