QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#392157 | #8330. Count off 3 | 2745518585 | TL | 1918ms | 86160kb | C++20 | 2.7kb | 2024-04-17 10:23:25 | 2024-04-17 10:23:25 |
Judging History
answer
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<vector>
using namespace std;
typedef long long ll;
const int N=20001;
const ll P=1e9+7;
int n,pw[7][N],b[7];
ll f1[N][8][8][8],f2[N][8][8][8];
char a[N];
int main()
{
for(int i=1;i<=6;++i)
{
pw[i][0]=1;
for(int j=1;j<=10000;++j) pw[i][j]=pw[i][j-1]*i%7;
}
f1[0][0][0][0]=f2[0][1][1][1]=1;
for(int i=1;i<=10000;++i)
{
for(int j1=0;j1<=6;++j1) for(int j2=0;j2<=6;++j2) for(int j3=0;j3<=6;++j3)
{
(f1[i][j1][j2][j3]+=f1[i-1][j1][j2][j3])%=P;
(f2[i][j1][j2][j3]+=f2[i-1][j1][j2][j3])%=P;
if(i%2==1)
{
(f1[i][(j1+pw[1][i])%7][(j2+pw[2][i])%7][(j3+pw[3][i])%7]+=f1[i-1][j1][j2][j3])%=P;
}
else
{
(f2[i][(j1+pw[1][i])%7][(j2+pw[2][i])%7][(j3+pw[3][i])%7]+=f2[i-1][j1][j2][j3])%=P;
}
}
}
for(int i=0;i<=10000;++i)
{
for(int j1=0;j1<=6;++j1) for(int j2=0;j2<=6;++j2) for(int j3=0;j3<=6;++j3) (f2[i][j1][j2][7]+=f2[i][j1][j2][j3])%=P;
for(int j1=0;j1<=6;++j1) for(int j2=0;j2<=6;++j2) for(int j3=0;j3<=7;++j3) (f2[i][j1][7][j3]+=f2[i][j1][j2][j3])%=P;
for(int j1=0;j1<=6;++j1) for(int j2=0;j2<=7;++j2) for(int j3=0;j3<=7;++j3) (f2[i][7][j2][j3]+=f2[i][j1][j2][j3])%=P;
}
int T;
scanf("%d",&T);
while(T--)
{
scanf("%s",a+1);
n=strlen(a+1);
for(int i=1;i<=6;++i) b[i]=0;
ll s=0;
for(int i=n-1;i>=1;--i)
{
if(a[n-i]=='1')
{
for(int j1=0;j1<=6;++j1) for(int j2=0;j2<=6;++j2) for(int j3=0;j3<=6;++j3)
{
if(f1[i-1][j1][j2][j3]==0) continue;
vector<int> p1={7,((-b[1]-j1)%7+7)%7,((-b[6]+j1)%7+7)%7},p2={7,((-b[2]-j2)%7+7)%7,((-b[5]+j2)%7+7)%7},p3={7,((-b[3]-j3)%7+7)%7,((-b[4]+j3)%7+7)%7};
if(p1[1]==p1[2]) p1.pop_back();
if(p2[1]==p2[2]) p2.pop_back();
if(p3[1]==p3[2]) p3.pop_back();
for(auto k1:p1) for(auto k2:p2) for(auto k3:p3)
{
int z=((k1<7)^(k2<7)^(k3<7))?-1:1;
s=(s+z*f1[i-1][j1][j2][j3]*f2[i-1][k1][k2][k3]%P)%P;
}
}
for(int j=1;j<=6;++j) b[j]=(b[j]+pw[j][i])%7;
}
}
if(a[n]=='1')
{
for(int i=1;i<=6;++i) b[i]=(b[i]+1)%7;
if([&](){for(int i=1;i<=6;++i) if(b[i]==0) return false; return true;}()) ++s;
}
printf("%lld\n",(s%P+P)%P);
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 31ms
memory: 84432kb
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: 72ms
memory: 84296kb
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: 801ms
memory: 84784kb
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: 1202ms
memory: 84564kb
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: 1468ms
memory: 85504kb
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: 1662ms
memory: 85040kb
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: 1780ms
memory: 85668kb
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: 1829ms
memory: 86160kb
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: 1918ms
memory: 85216kb
input:
10 1 111110011 111101001101011110100011110000100110011101010111111110100001111001101000100101101 11011010000110101011111110110011101010100100110001001111111011010000101111110001001011000011010101001000101110000100011011100101010110010101000101010111101100101110111100011011011000101101001001001100111...
output:
1 99 286317277 694681686 723919544 789291149 680541846 694957099 453387561 757810824
result:
ok 10 numbers
Test #10:
score: -100
Time Limit Exceeded
input:
10 1 1001001110 10110010111110100100111100111101101010111110111011001110000111101011011010110011110000000001110100 11000101011111110110100101100100100000010110001011100010101111111000000111000101100110111110101010111110010110111111110010110010001100000000111000101100010001110010001011111110101011111...
output:
1 120 987933828 449323095 435643580 557750562 122442298 758115947 388795572 87146822