QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#18303 | #992. Number of Colorful Matchings | Wu_Ren# | AC ✓ | 57ms | 6508kb | C++11 | 2.3kb | 2022-01-17 16:23:48 | 2022-05-04 17:47:49 |
Judging History
answer
#include<bits/stdc++.h>
const int mod=2;
using namespace std;
int n,m,K,mul,ty;
int a[510][510],b[510][510],p[510][510];
char s[1000010];
void qmo(int &x){
x+=(x>>31)&mod;
}
int ksm(int a,int k){
int res=1;
for(;k;k>>=1,a=1ll*a*a%mod) if(k&1) res=1ll*res*a%mod;
return res;
}
void swapr(int a[][510],int x,int y){
for(int k=1;k<=n;k++) swap(a[x][k],a[y][k]);
}
void addr(int a[][510],int x,int y,int z){
for(int k=1;k<=n;k++) a[y][k]=(a[y][k]+1ll*a[x][k]*z)%mod;
}
void swapc(int a[][510],int x,int y){
for(int k=1;k<=n;k++) swap(a[k][x],a[k][y]);
}
void addc(int a[][510],int x,int y,int z){
for(int k=1;k<=n;k++) a[k][y]=(a[k][y]+1ll*a[k][x]*z)%mod;
}
void gauss(){
mul=1,ty=0;
for(int i=1;i<=n;i++){
while(!b[i][i]){
int j=i;
while(!b[i][j]&&j<=n) j++;
if(j<=n){
swapc(a,i,j),swapc(b,i,j),qmo(mul=-mul);
break;
}
ty++;
if(ty>n) break;
for(int j=1;j<=n;j++) b[i][j]=a[i][j],a[i][j]=0;
for(int j=1;j<i;j++) if(b[i][j]) addr(a,j,i,mod-b[i][j]),addr(b,j,i,mod-b[i][j]);
}
if(ty>n) break;
int inv=ksm(b[i][i],mod-2);mul=1ll*mul*b[i][i]%mod;
for(int j=1;j<=n;j++) a[i][j]=1ll*a[i][j]*inv%mod,b[i][j]=1ll*b[i][j]*inv%mod;
for(int j=1;j<=n;j++) if((i^j)&&b[j][i]) addr(a,i,j,mod-b[j][i]),addr(b,i,j,mod-b[j][i]);
}
for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) qmo(a[i][j]=-a[i][j]);
}
int main(){
scanf("%d",&n);
for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) scanf("%1d",&b[i][j]);
for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) scanf("%1d",&a[i][j]);
gauss();
for(int i=1;i<n;i++){
int j=i+1;
while(!a[j][i]&&j<=n) j++;
if(j>n) continue;
for(int k=1;k<=n;k++) swap(a[i+1][k],a[j][k]);
for(int k=1;k<=n;k++) swap(a[k][i+1],a[k][j]);
int inv=ksm(a[i+1][i],mod-2);
for(int j=i+2;j<=n;j++) if(a[j][i]){
int t=1ll*inv*a[j][i]%mod;
for(int k=i;k<=n;k++) qmo(a[j][k]-=1ll*t*a[i+1][k]%mod);
for(int k=1;k<=n;k++) a[k][i+1]=(a[k][i+1]+1ll*t*a[k][j])%mod;
}
}
p[0][0]=1;
for(int k=1;k<=n;k++){
for(int i=1;i<=k;i++) p[k][i]=p[k-1][i-1];
for(int i=0;i<=k;i++) qmo(p[k][i]-=1ll*a[k][k]*p[k-1][i]%mod);
int nw=1,tp;
for(int i=k-1;i;i--){
nw=1ll*nw*a[i+1][i]%mod;
tp=1ll*(mod-nw)*a[i][k]%mod;
for(int j=0;j<=i;j++) p[k][j]=(p[k][j]+1ll*tp*p[i-1][j])%mod;
}
}
for(int i=0;i<=n;i++) printf("%d\n",1ll*mul*p[n][min(n+1,i+ty)]%mod);
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 5844kb
input:
2 11 10 00 11
output:
0 0 1
result:
ok 3 tokens
Test #2:
score: 0
Accepted
time: 3ms
memory: 5800kb
input:
10 0100110000 0000010111 0111000111 1000101100 1101000001 1111110000 1001001110 0000000011 0001000010 0100100110 1100010101 0001000001 0001001010 0011100111 0010101111 1001011011 1001100111 0111101001 0010100010 0001111011
output:
0 0 0 1 1 1 1 1 0 0 1
result:
ok 11 tokens
Test #3:
score: 0
Accepted
time: 0ms
memory: 5808kb
input:
18 001100000000010111 011100011110001011 001101000001111111 000010010011100000 000011000100001001 001001101100010101 000100000100010010 100011100111001010 111110010110111001 100111011110100100 101000100001111011 110000100101011111 101011001000000111 110001011110010101 110010011111001110 001001011100...
output:
0 0 0 1 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0
result:
ok 19 tokens
Test #4:
score: 0
Accepted
time: 0ms
memory: 5908kb
input:
18 110000000001011101 110001111000101100 110100000111111100 001001001110000000 001100010000100100 100110110001010100 010000010001001010 001110011100101011 111001011011100110 011101111010010010 100010000111101111 000010010101111110 101100100000011111 000101111001010111 001001111100111000 100101110010...
output:
0 0 0 0 1 0 1 1 1 0 1 1 0 0 1 0 1 1 0
result:
ok 19 tokens
Test #5:
score: 0
Accepted
time: 57ms
memory: 6508kb
input:
300 00000000010111011100011110001011001101000001111111000010010011100000000011000100001001001001101100010101000100000100010010100011100111001010111110010110111001100111011110100100101000100001111011110000100101011111101011001000000111110001011110010101110010011111001110001001011100100010010000000000...
output:
0 0 0 0 0 1 1 1 0 1 1 1 0 0 0 1 1 0 1 0 0 1 1 0 0 0 0 1 0 0 0 1 1 0 1 0 1 0 1 0 1 1 1 0 0 1 0 0 1 1 1 1 0 0 0 1 1 0 1 1 1 0 0 1 1 1 1 0 1 1 0 0 1 0 1 1 0 0 1 1 1 1 1 0 0 1 0 0 1 1 0 1 0 1 0 0 1 0 0 1 1 1 1 1 0 1 1 0 0 1 1 0 0 1 1 0 1 1 1 1 0 1 0 0 0 0 1 1 0 0 0 0 1 0 0 1 1 0 1 1 1 0 1 1 0 0 1 0 1 1 ...
result:
ok 301 tokens
Test #6:
score: 0
Accepted
time: 57ms
memory: 6420kb
input:
300 00000001011101110001111000101100110100000111111100001001001110000000001100010000100100100110110001010100010000010001001010001110011100101011111001011011100110011101111010010010100010000111101111000010010101111110101100100000011111000101111001010111001001111100111000100101110010001001000000000001...
output:
0 0 0 1 0 1 1 0 0 0 0 1 1 1 0 0 1 0 0 0 0 1 0 1 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 0 1 1 1 1 1 1 0 0 1 1 0 1 0 1 0 0 1 0 0 1 0 0 0 1 0 1 1 0 1 1 0 1 1 1 0 0 0 1 0 1 0 1 1 0 1 1 0 1 1 1 1 1 1 0 1 0 0 1 0 0 1 0 1 0 0 0 0 1 1 0 1 1 0 0 0 1 1 1 0 1 1 0 1 0 1 0 0 1 1 1 0 0 1 0 1 0 0 1 0 1 1 1 1 0 1 1 0 1 0 1 ...
result:
ok 301 tokens
Test #7:
score: 0
Accepted
time: 57ms
memory: 6348kb
input:
300 00000101110111000111100010110011010000011111110000100100111000000000110001000010010010011011000101010001000001000100101000111001110010101111100101101110011001110111101001001010001000011110111100001001010111111010110010000001111100010111100101011100100111110011100010010111001000100100000000000111...
output:
0 0 0 0 0 1 1 1 1 0 0 0 1 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 0 1 1 0 0 0 0 0 1 1 0 0 0 0 1 0 1 1 1 1 1 1 1 0 1 0 0 1 0 0 1 1 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 1 1 1 1 0 0 0 0 1 0 1 1 0 1 0 1 0 1 0 0 0 0 1 0 1 1 1 0 0 0 0 1 1 0 1 1 1 0 1 1 0 0 1 1 1 0 0 0 1 0 0 1 0 1 1 1 ...
result:
ok 301 tokens
Test #8:
score: 0
Accepted
time: 10ms
memory: 6252kb
input:
200 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
output:
0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
ok 201 tokens
Test #9:
score: 0
Accepted
time: 15ms
memory: 6304kb
input:
230 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000...
output:
0 0 1 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
ok 231 tokens
Test #10:
score: 0
Accepted
time: 33ms
memory: 6288kb
input:
270 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000...
output:
0 0 0 1 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
ok 271 tokens
Test #11:
score: 0
Accepted
time: 38ms
memory: 6420kb
input:
300 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
output:
0 1 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
ok 301 tokens
Test #12:
score: 0
Accepted
time: 4ms
memory: 5920kb
input:
50 11000111100010110011010000011111110000100100111000 00000011000100001001001001101100010101000100000100 01001010001110011100101011111001011011100110011101 11101001001010001000011110111100001001010111111010 11001000000111110001011110010101110010011111001110 001001011100100010010000000000011101110101...
output:
0 1 1 1 0 0 0 0 0 0 1 0 0 1 1 1 0 1 0 0 0 1 0 0 0 1 1 1 0 0 1 1 0 0 1 0 1 0 0 1 0 1 0 1 1 1 1 0 0 1 1
result:
ok 51 tokens
Test #13:
score: 0
Accepted
time: 5ms
memory: 5912kb
input:
80 00011110001011001101000001111111000010010011100000000011000100001001001001101100 01010100010000010001001010001110011100101011111001011011100110011101111010010010 10001000011110111100001001010111111010110010000001111100010111100101011100100111 110011100010010111001000100100000000000111011101011011...
output:
0 1 0 0 1 0 1 0 1 0 0 1 1 0 0 0 0 1 1 0 0 0 1 1 1 0 1 1 1 0 0 0 1 1 1 0 0 0 0 1 1 0 0 1 0 1 0 1 0 0 1 0 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 0 0 0 1 0 0 1 0 1 1 0 0
result:
ok 81 tokens
Test #14:
score: 0
Accepted
time: 9ms
memory: 6020kb
input:
120 011110001011001101000001111111000010010011100000000011000100001001001001101100010101000100000100010010100011100111001010 111110010110111001100111011110100100101000100001111011110000100101011111101011001000000111110001011110010101110010011111 001110001001011100100010010000000000011101110101101110...
output:
0 1 0 0 1 0 1 0 0 1 1 0 0 0 1 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 1 1 0 1 1 0 0 1 1 1 0 1 1 1 0 0 0 1 0 1 0 1 1 1 1 1 0 1 0 0 1 0 1 1 0 1 0 1 1 0 1 1 1 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 0 1 1 1 0 1 0 1 0 1 0 0 0 1 0 1 0 0 1 0 0 0 0
result:
ok 121 tokens
Test #15:
score: 0
Accepted
time: 17ms
memory: 6096kb
input:
180 111000101100110100000111111100001001001110000000001100010000100100100110110001010100010000010001001010001110011100101011111001011011100110011101111010010010100010000111101111000010 0101011111101011001000000111110001011110010101110010011111001110001001011100100010010000000000011101110101101110100...
output:
0 1 0 0 1 1 1 1 0 1 1 0 1 0 0 0 1 1 0 0 0 0 0 1 1 1 0 0 1 1 0 0 0 1 1 1 1 0 1 1 1 0 0 1 1 0 1 1 1 0 0 0 1 0 0 1 0 1 0 1 1 1 0 0 0 1 0 1 1 1 1 0 0 0 0 0 1 1 1 0 0 1 1 1 1 1 0 0 0 0 0 0 1 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 1 1 0 1 1 1 1 0 0 1 0 1 1 1 0 1 1 0 1 1 1 1 1 0 0 0 1 1 ...
result:
ok 181 tokens
Test #16:
score: 0
Accepted
time: 20ms
memory: 6284kb
input:
220 1000101100110100000111111100001001001110000000001100010000100100100110110001010100010000010001001010001110011100101011111001011011100110011101111010010010100010000111101111000010010101111110101100100000011111000101111001 010111001001111100111000100101110010001001000000000001110111010110111010011...
output:
1 0 0 0 0 0 1 1 0 1 0 0 0 1 1 1 1 1 1 0 1 1 0 0 1 1 1 0 0 0 0 0 0 1 1 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 1 0 1 1 1 0 1 1 0 1 1 1 1 0 0 0 1 0 1 1 1 1 0 0 0 1 0 1 1 0 1 1 1 1 1 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 1 1 1 1 0 0 1 1 0 0 0 0 0 1 1 1 0 0 0 1 1 0 1 1 1 1 1 1 1 0 1 0 1 0 0 1 1 0 1 0 ...
result:
ok 221 tokens
Test #17:
score: 0
Accepted
time: 34ms
memory: 6344kb
input:
250 0010110011010000011111110000100100111000000000110001000010010010011011000101010001000001000100101000111001110010101111100101101110011001110111101001001010001000011110111100001001010111111010110010000001111100010111100101011100100111110011100010010111 001000100100000000000111011101011011101001111...
output:
0 1 1 1 0 1 1 0 0 1 1 0 1 0 0 0 1 0 0 1 1 0 0 1 1 1 0 1 0 0 0 0 1 0 0 0 0 1 1 1 1 0 0 1 0 1 1 1 1 1 0 1 1 0 1 0 0 0 1 0 0 0 0 0 1 0 1 1 0 1 1 0 0 1 1 1 0 1 0 0 1 0 0 1 0 1 0 0 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 1 0 1 0 1 1 1 0 0 1 0 0 0 1 1 0 1 1 1 1 0 1 1 0 0 1 1 0 1 1 1 1 0 0 0 0 1 1 1 0 1 1 0 1 0 ...
result:
ok 251 tokens
Test #18:
score: 0
Accepted
time: 43ms
memory: 6288kb
input:
270 101100110100000111111100001001001110000000001100010000100100100110110001010100010000010001001010001110011100101011111001011011100110011101111010010010100010000111101111000010010101111110101100100000011111000101111001010111001001111100111000100101110010001001000000000001 1101110101101110100111111...
output:
0 1 0 0 1 1 1 0 0 1 0 1 0 1 1 0 1 1 0 0 1 0 0 1 1 1 0 1 1 0 0 0 1 0 0 1 1 1 0 0 0 0 1 0 0 0 0 0 1 1 1 0 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 0 0 1 0 0 0 1 1 0 0 1 1 1 1 0 1 0 0 1 0 1 0 0 1 1 1 1 0 0 0 1 0 1 0 0 1 0 0 0 1 1 0 0 1 1 0 1 1 1 1 0 1 1 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 1 0 0 1 0 1 1 0 0 0 0 1 0 0 ...
result:
ok 271 tokens
Test #19:
score: 0
Accepted
time: 57ms
memory: 6392kb
input:
300 11001101000001111111000010010011100000000011000100001001001001101100010101000100000100010010100011100111001010111110010110111001100111011110100100101000100001111011110000100101011111101011001000000111110001011110010101110010011111001110001001011100100010010000000000011101110101101110100111111110...
output:
0 0 0 0 1 0 1 0 0 1 1 1 1 0 0 1 1 0 1 1 0 0 0 1 1 0 0 1 0 0 1 1 0 1 0 0 1 0 0 1 1 1 0 0 0 1 1 1 1 1 1 1 0 0 1 0 0 1 0 1 0 0 1 0 1 1 0 1 0 1 1 0 0 0 0 1 1 1 0 0 1 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 0 1 0 0 1 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 0 1 1 1 0 1 0 1 1 1 1 0 1 1 1 1 1 0 1 1 0 1 ...
result:
ok 301 tokens
Test #20:
score: 0
Accepted
time: 56ms
memory: 6392kb
input:
300 00110100000111111100001001001110000000001100010000100100100110110001010100010000010001001010001110011100101011111001011011100110011101111010010010100010000111101111000010010101111110101100100000011111000101111001010111001001111100111000100101110010001001000000000001110111010110111010011111111010...
output:
1 1 0 1 1 0 1 1 1 1 1 1 1 0 0 1 0 1 0 1 0 0 1 1 0 0 1 0 0 0 0 0 1 0 0 1 1 1 0 0 0 1 1 0 0 1 0 1 0 1 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 1 0 0 1 0 0 1 0 0 1 1 1 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 1 0 0 1 1 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 0 1 1 0 1 1 0 0 0 0 1 0 1 0 1 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 ...
result:
ok 301 tokens
Test #21:
score: 0
Accepted
time: 57ms
memory: 6424kb
input:
300 11010000011111110000100100111000000000110001000010010010011011000101010001000001000100101000111001110010101111100101101110011001110111101001001010001000011110111100001001010111111010110010000001111100010111100101011100100111110011100010010111001000100100000000000111011101011011101001111111101001...
output:
0 1 0 1 0 1 1 0 1 1 0 0 0 0 1 1 1 0 1 1 0 0 1 1 0 0 0 1 0 0 0 1 1 0 1 1 1 0 1 1 1 1 1 0 0 0 1 1 0 0 0 0 0 0 1 1 0 1 0 1 1 0 0 0 1 1 1 0 0 1 0 0 1 0 0 1 1 0 0 1 0 0 0 1 0 1 1 0 0 1 0 1 0 0 0 1 1 0 1 0 1 0 0 1 0 1 1 1 1 1 0 0 0 0 0 0 0 1 0 1 0 1 0 1 1 0 0 1 0 0 1 0 0 1 0 1 1 0 0 1 0 0 1 0 1 0 0 1 0 0 ...
result:
ok 301 tokens