QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#392181 | #8330. Count off 3 | marher | AC ✓ | 574ms | 35708kb | C++14 | 3.2kb | 2024-04-17 10:53:40 | 2024-04-17 10:53:40 |
Judging History
answer
#pragma GCC optimize("Ofast","inline")
#include<bits/stdc++.h>
using namespace std;
const int N=2e4,mod=1e9+7;
#define F(a,x) for(int a=0;a<x;a++)
int T,n=1e4,f[N][7][7][7],g[N][7][7][7],cm[N][8],h[3][7],ans,d[4][8][8];
char s[N];
void ad(int&x,int y)
{
x+=y;
x-=x>=mod?mod:0;
}
void init()
{
f[0][0][0][0]=g[0][0][0][0]=1;
for(int i=1;i<7;i++)cm[0][i]=1;
for(int i=1;i<=n;i++)
{
for(int j=1;j<7;j++)cm[i][j]=cm[i-1][j]*j%7;
memcpy(f[i],f[i-1],sizeof f[i-1]);
memcpy(g[i],g[i-1],sizeof g[i-1]);
F(a,7)F(b,7)F(c,7)
{
if(i&1)ad(f[i][(a+cm[i][1])%7][(b+cm[i][3])%7][(c+cm[i][5])%7],f[i-1][a][b][c]);
else ad(g[i][(a+cm[i][1])%7][(b+cm[i][3])%7][(c+cm[i][5])%7],g[i-1][a][b][c]);
}
}
}
int find(int x,int y,int wx,int wy,int k)
{
int a=-1,b=-1,c=-1;
if(0==x)a=wx;if(0==y)a=wy;
if(1==x)b=wx;if(1==y)b=wy;
if(2==x)c=wx;if(2==y)c=wy;
int s=0;
for(int i=0;i<7;i++)ad(s,g[k][a==-1?i:a][b==-1?i:b][c==-1?i:c]);
return s;
}
void fd(int a,int b,int c,int w)
{
ad(ans,mod-1ll*w*h[a][b]%mod);
if(b!=c)
ad(ans,mod-1ll*w*h[a][c]%mod);
}
void solve(int k,int*p,int w,int s)
{
ad(ans,1ll*w*s%mod);
for(int i=0;i<7;i++)p[i]=(7-p[i])%7;
int A[3]={p[1],p[6]},B[3]={p[3],p[4]},C[3]={p[5],p[2]};
fd(0,p[1],p[6],w);
F(j,2)if(j==0||B[1]!=B[0])
{
int val=h[1][B[j]];
ad(val,mod-d[0][A[0]][B[j]]);
if(A[1]!=A[0])ad(val,mod-d[0][A[1]][B[j]]);
ad(ans,mod-1ll*w*val%mod);
}
for(int t=0;t<2;t++)if(t==0||C[1]!=C[0])
{
int val=h[2][C[t]];
F(i,2)if(i==0||A[1]!=A[0])ad(val,mod-d[1][A[i]][C[t]]);
F(j,2)if(j==0||B[1]!=B[0])ad(val,mod-d[2][B[j]][C[t]]);
F(i,2)if(i==0||A[1]!=A[0])
F(j,2)if(j==0||B[1]!=B[0])ad(val,g[k][A[i]][B[j]][C[t]]);
ad(ans,mod-1ll*val*w%mod);
}
}
void sol()
{
cin>>s;n=strlen(s);
for(int i=0;i<n/2;i++)swap(s[i],s[n-i-1]);
int r[8];ans=0;
for(int i=1;i<7;i++)r[i]=1;
for(int i=n-1;i;i--)
{
if(s[i]=='1')
{
int s=0;
memset(h,0,sizeof h);
memset(d,0,sizeof d);
F(a,7)F(b,7)F(c,7)ad(s,g[i-1][a][b][c]),ad(h[0][a],g[i-1][a][b][c]),ad(h[1][b],g[i-1][a][b][c]),ad(h[2][c],g[i-1][a][b][c]);
F(a,7)F(b,7)
{
d[0][a][b]=find(0,1,a,b,i-1);
d[1][a][b]=find(0,2,a,b,i-1);
d[2][a][b]=find(1,2,a,b,i-1);
}
F(a,7)F(b,7)F(c,7)
{
int p[8];
for(int k=1;k<7;k++)p[k]=r[k];
p[1]=(p[1]+a)%7;p[6]=(p[6]+7-a)%7;
p[3]=(p[3]+b)%7;p[4]=(p[4]+7-b)%7;
p[5]=(p[5]+c)%7;p[2]=(p[2]+7-c)%7;
solve(i-1,p,f[i-1][a][b][c],s);
}
for(int j=1;j<7;j++)r[j]=(r[j]+cm[i][j])%7;
}
}
int f=0;
for(int i=1;i<7;i++)f|=(r[i]==0);
if(!f&&s[0]=='1')ans++;
cout<<ans%mod<<'\n';
for(int i=0;i<n;i++)s[i]=0;
}
int main()
{
init();
cin>>T;
while(T--)sol();
}
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: 7ms
memory: 32716kb
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: 35288kb
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: 200ms
memory: 32664kb
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: 304ms
memory: 33868kb
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: 368ms
memory: 33796kb
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: 432ms
memory: 32640kb
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: 444ms
memory: 32640kb
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: 475ms
memory: 32716kb
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: 487ms
memory: 32588kb
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: 522ms
memory: 32716kb
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: 521ms
memory: 32716kb
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: 515ms
memory: 34896kb
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: 528ms
memory: 35708kb
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: 538ms
memory: 35356kb
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: 534ms
memory: 33992kb
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: 541ms
memory: 35388kb
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: 549ms
memory: 32716kb
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: 564ms
memory: 32488kb
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: 565ms
memory: 35044kb
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: 574ms
memory: 32732kb
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