QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#409353 | #8330. Count off 3 | zdczdc | AC ✓ | 237ms | 22156kb | C++20 | 7.0kb | 2024-05-11 22:29:54 | 2024-10-13 18:53:18 |
Judging History
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?
详细
Test #1:
score: 100
Accepted
time: 11ms
memory: 18800kb
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: 11ms
memory: 18812kb
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: 15ms
memory: 21716kb
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: 83ms
memory: 20176kb
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: 126ms
memory: 20044kb
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: 141ms
memory: 21968kb
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: 19972kb
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: 167ms
memory: 18808kb
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: 187ms
memory: 20212kb
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: 204ms
memory: 21488kb
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: 206ms
memory: 21004kb
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: 209ms
memory: 19144kb
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: 205ms
memory: 21548kb
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: 213ms
memory: 20020kb
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: 214ms
memory: 22156kb
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: 216ms
memory: 20116kb
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: 19348kb
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: 226ms
memory: 19428kb
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: 229ms
memory: 18872kb
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: 237ms
memory: 19060kb
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