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 |
---|---|---|---|---|---|---|---|---|---|
#395692 | #8330. Count off 3 | xlwang | AC ✓ | 510ms | 6032kb | C++14 | 5.2kb | 2024-04-21 17:18:59 | 2024-10-13 18:52:32 |
Judging History
answer
#include<bits/stdc++.h>
#define fr(i,j,k) for(register int i=j;i<=k;++i)
#define rf(i,j,k) for(register int i=j;i>=k;--i)
#define foredge(i,j) for(register int i=head[j];i;i=e[i].nxt)
#define pb push_back
#define Times printf("Time:%.3lf\n",clock()/CLOCKS_PER_SEC)
using namespace std;
inline int read(){
int x=0;
bool f=0;
char c=getchar();
while(!isdigit(c)) f|=(c=='-'),c=getchar();
while(isdigit(c)) x=(x<<3)+(x<<1)+(c^48),c=getchar();
return f?-x:x;
}
inline void write(int x){
if(x<0){putchar('-');x=-x;}
if(x>9)write(x/10);
putchar(x%10+'0');
}
inline void writeln(int x){write(x); puts("");}
inline void writepl(int x){write(x); putchar(' ');}
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
inline int randfind(int l,int r){return rnd()%(r-l+1)+l;}
//inline void init(){
// int t=read();
// while(t--) work();
//}
const int Maxn=1e5+10,mod=1e9+7;
inline void add(int &x,int y){
x+=y;if(x>=mod) x-=mod;
}
int f1[7][7][7],f2[7][7][7];
int n;
char c[Maxn];
int ans;
inline void clear(){
memset(f1,0,sizeof(f1)),memset(f2,0,sizeof(f2));
ans=0;
}
int s1[Maxn][4],s2[Maxn][4];
inline int ksm(int x,int y,int mod){
int sum=1;
while(y){
if(y&1) sum=sum*x%mod;
y=y/2;x=x*x%mod;
}
return sum;
}
int g1[7][7][7],g2[7][7][7];
int a[Maxn];
int p1[8],p2[8],p3[8],p12[8][8],p23[8][8],p13[8][8],p123[8][8][8];
inline int query(int a1,int a2,int b1,int b2,int c1,int c2){
int ans=0;
fr(i,0,6) add(ans,p1[i]);
// cout<<ans<<endl;
add(ans,mod-p1[a1]);add(ans,mod-p1[a2]);add(ans,mod-p2[b1]);add(ans,mod-p2[b2]);add(ans,mod-p3[c1]);add(ans,mod-p3[c2]);
// cout<<ans<<endl;
add(ans,p12[a1][b1]);add(ans,p12[a1][b2]);add(ans,p12[a2][b1]);add(ans,p12[a2][b2]);
add(ans,p13[a1][c1]);add(ans,p13[a1][c2]);add(ans,p13[a2][c1]);add(ans,p13[a2][c2]);
add(ans,p23[b1][c1]);add(ans,p23[b1][c2]);add(ans,p23[b2][c1]);add(ans,p23[b2][c2]);
add(ans,mod-p123[a1][b1][c1]);add(ans,mod-p123[a1][b1][c2]);add(ans,mod-p123[a1][b2][c1]);add(ans,mod-p123[a1][b2][c2]);
add(ans,mod-p123[a2][b1][c1]);add(ans,mod-p123[a2][b1][c2]);add(ans,mod-p123[a2][b2][c1]);add(ans,mod-p123[a2][b2][c2]);
return ans;
}
inline void getans(int id){
memset(p1,0,sizeof(p1));memset(p2,0,sizeof(p2));memset(p3,0,sizeof(p3));
memset(p12,0,sizeof(p12));memset(p13,0,sizeof(p13));memset(p23,0,sizeof(p23));
memset(p123,0,sizeof(p123));
fr(i,0,6) fr(j,0,6) fr(k,0,6){
add(p1[i],f1[i][j][k]);add(p2[j],f1[i][j][k]);add(p3[k],f1[i][j][k]);
add(p12[i][j],f1[i][j][k]);add(p13[i][k],f1[i][j][k]);add(p23[j][k],f1[i][j][k]);
add(p123[i][j][k],f1[i][j][k]);
}
fr(i,0,6) fr(j,0,6) fr(k,0,6){
if(!f2[i][j][k]) continue;
int a1,a2,b1,b2,c1,c2;
a1=(i-s1[id-1][1]+s2[id-1][1]+7)%7,a2=(21-i-s1[id-1][1]-s2[id-1][1])%7;
b1=(j-s1[id-1][2]+s2[id-1][2]+7)%7,b2=(21-j-s1[id-1][2]-s2[id-1][2])%7;
c1=(k-s1[id-1][3]+s2[id-1][3]+7)%7,c2=(21-k-s1[id-1][3]-s2[id-1][3])%7;
// cout<<i<<' '<<j<<' '<<k<<endl;
// cout<<a1<<' '<<a2<<' '<<b1<<' '<<b2<<' '<<c1<<' '<<c2<<endl;
if(a2==a1) a2=7;
if(b2==b1) b2=7;
if(c2==c1) c2=7;
add(ans,1ll*f2[i][j][k]*query(a1,a2,b1,b2,c1,c2)%mod);
// cout<<ans<<endl;
}
}
inline void trans(int id){
if(id==n){
f2[1][1][1]=1,f1[0][0][0]=1;
return;
}
fr(i1,0,6) fr(i2,0,6) fr(i3,0,6) g1[i1][i2][i3]=f1[i1][i2][i3],g2[i1][i2][i3]=f2[i1][i2][i3];
int n1,n2,n3;n1=ksm(1,n-id,7),n2=ksm(2,n-id,7),n3=ksm(3,n-id,7);
if((n-id)&1) fr(i1,0,6) fr(i2,0,6) fr(i3,0,6) add(f1[(i1+n1)%7][(i2+n2)%7][(i3+n3)%7],g1[i1][i2][i3]);
else fr(i1,0,6) fr(i2,0,6) fr(i3,0,6) add(f2[(i1+n1)%7][(i2+n2)%7][(i3+n3)%7],g2[i1][i2][i3]);
// writeln(id);
// puts("F1:");
// fr(i,0,6) fr(j,0,6) fr(k,0,6){
// if(f1[i][j][k]) cout<<i<<' '<<j<<' '<<k<<' '<<f1[i][j][k]<<endl;
// }
// puts("F2:");
// fr(i,0,6) fr(j,0,6) fr(k,0,6){
// if(f2[i][j][k]) cout<<i<<' '<<j<<' '<<k<<' '<<f2[i][j][k]<<endl;
// }
}
inline void work(){
scanf("%s",c+1);n=strlen(c+1);
fr(i,1,n) a[i]=c[i]-'0';
// fr(i,1,n) cout<<i<<' '<<a[i]<<endl;
fr(i,1,n){
fr(j,1,3) s1[i][j]=s1[i-1][j],s2[i][j]=s2[i-1][j];
if((n-i)&1) fr(j,1,3) s1[i][j]=(s1[i][j]+ksm(j,n-i,7)*a[i])%7;
else{
fr(j,1,3){
// cout<<i<<' '<<j<<' '<<ksm(j,n-i,7)*a[i]<<endl;
s2[i][j]=(s2[i][j]+ksm(j,n-i,7)*a[i])%7;
}
}
}
if(s1[n][1]!=s2[n][1] && (s1[n][1]+s2[n][1])%7!=0 && s1[n][2]!=s2[n][2] && (s1[n][2]+s2[n][2])%7!=0 && s1[n][3]!=s2[n][3] && (s1[n][3]+s2[n][3])%7!=0 && a[n]>0) ++ans;
// cout<<ans<<endl;
// fr(i,1,n){
// writeln(i);
// fr(j,1,3) cout<<s1[i][j]<<' '<<s2[i][j]<<endl;
// }
rf(i,n,1){
if(a[i] && i!=n) getans(i);
// cout<<i<<' '<<ans<<endl;
trans(i);
}
writeln(ans);
clear();
}
inline void init(){
int t=read();
while(t--) work();
}
signed main(){
// freopen("input.in","r",stdin);
// freopen("output.out","w",stdout);
init();
// printf("\nTIME:%.3lf",(double)clock()/CLOCKS_PER_SEC);
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: 0ms
memory: 3784kb
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: 9ms
memory: 3936kb
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: 170ms
memory: 6032kb
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: 266ms
memory: 4280kb
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: 328ms
memory: 4152kb
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: 370ms
memory: 3960kb
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: 391ms
memory: 4296kb
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: 406ms
memory: 4016kb
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: 428ms
memory: 4276kb
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: 454ms
memory: 4144kb
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: 460ms
memory: 4276kb
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: 457ms
memory: 4148kb
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: 462ms
memory: 4152kb
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: 471ms
memory: 4152kb
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: 474ms
memory: 4292kb
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: 474ms
memory: 4272kb
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: 483ms
memory: 3964kb
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: 496ms
memory: 4164kb
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: 498ms
memory: 4224kb
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: 510ms
memory: 4216kb
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