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 |
|---|---|---|---|---|---|---|---|---|---|
| #427721 | #8770. Comparator | ucup-team987# | AC ✓ | 49ms | 22072kb | C++20 | 4.5kb | 2024-06-01 15:14:22 | 2024-06-01 15:14:22 |
Judging History
answer
#include<iostream>
#include<bitset>
#include<cassert>
using namespace std;
void disp(int v,int k)
{
for(int i=0;i<k;i++)cout<<(v>>i&1);
cout<<endl;
}
string S;
int eval(int&);
int atom(int&idx)
{
assert(idx<S.size());
char c=S[idx++];
bool NOT=false;
while(c=='!')
{
NOT=!NOT;
c=S[idx++];
}
int ret;
if(c=='(')
{
ret=eval(idx);
assert(S[idx]==')');
idx++;
}
else if(c=='0')ret=0b0000;
else if(c=='1')ret=0b1111;
else if(c=='x')ret=0b1100;
else if(c=='y')ret=0b1010;
else assert(false);
if(NOT)ret^=0b1111;
return ret;
}
int EQ(int&idx)
{
int ret=atom(idx);
while(S[idx]=='=')
{
idx++;
int nxt=atom(idx);
ret=(ret^nxt)^0b1111;
}
return ret;
}
int AND(int&idx)
{
int ret=EQ(idx);
while(S[idx]=='&')
{
idx++;
int nxt=EQ(idx);
ret=ret&nxt;
}
return ret;
}
int OR(int&idx)
{
int ret=AND(idx);
while(S[idx]=='|')
{
idx++;
int nxt=AND(idx);
ret=ret|nxt;
}
return ret;
}
int eval(int&idx)
{//xor
int ret=OR(idx);
while(S[idx]=='^')
{
idx++;
int nxt=OR(idx);
ret^=nxt;
}
return ret;
}
int N,K;
int a[2<<17],b[2<<17],r[2<<17],F[2<<17];
int R;
int tb[1<<10][1<<10];
void Fill(int r,int X,int rX,int Y,int rY)
{
for(int x=rX;x>=0;x--)
{
x&=rX;
for(int y=rY;y>=0;y--)
{
y&=rY;
tb[X|x][Y|y]=r;
}
}
}
void dfs(int id,int X,int rX,int Y,int rY)
{
if(id==N)
{
Fill(R,X,rX,Y,rY);
return;
}
if(rX>>a[id]&1)
{
if(rY>>b[id]&1)
{
int ok=0;
for(int x=0;x<2;x++)for(int y=0;y<2;y++)
{
if(F[id]>>x*2+y&1)Fill(r[id],X|x<<a[id],rX^1<<a[id],Y|y<<b[id],rY^1<<b[id]);
else ok|=1<<x*2+y;
}
assert(0b0000<=ok&&ok<=0b1111);
if(ok==0b1111)dfs(id+1,X,rX,Y,rY);
else if(ok==0b0110)
{
dfs(id+1,X|1<<a[id],rX^1<<a[id],Y,rY^1<<b[id]);
dfs(id+1,X,rX^1<<a[id],Y|1<<b[id],rY^1<<b[id]);
}
else if(ok==0b1001)
{
dfs(id+1,X,rX^1<<a[id],Y,rY^1<<b[id]);
dfs(id+1,X|1<<a[id],rX^1<<a[id],Y|1<<b[id],rY^1<<b[id]);
}
else
{
if((ok&0b0011)==0b0011)
{//x=0,y=01
dfs(id+1,X,rX^1<<a[id],Y,rY);
ok^=0b0011;
}
if((ok&0b1100)==0b1100)
{//x=1,y=01
dfs(id+1,X|1<<a[id],rX^1<<a[id],Y,rY);
ok^=0b1100;
}
if((ok&0b0101)==0b0101)
{//x=01,y=0
dfs(id+1,X,rX,Y,rY^1<<b[id]);
ok^=0b0101;
}
if((ok&0b1010)==0b1010)
{//x=01,y=1
dfs(id+1,X,rX,Y|1<<b[id],rY^1<<b[id]);
ok^=0b1010;
}
if(ok==0b0001)
{//x=0,y=0
dfs(id+1,X,rX^1<<a[id],Y,rY^1<<b[id]);
}
else if(ok==0b0010)
{//x=0,y=1
dfs(id+1,X,rX^1<<a[id],Y|1<<b[id],rY^1<<b[id]);
}
else if(ok==0b0100)
{//x=1,y=0
dfs(id+1,X|1<<a[id],rX^1<<a[id],Y,rY^1<<b[id]);
}
else if(ok==0b1000)
{//x=1,y=1
dfs(id+1,X|1<<a[id],rX^1<<a[id],Y|1<<b[id],rY^1<<b[id]);
}
else assert(ok==0b0000);
}
}
else
{
int y=Y>>b[id]&1;
int ok=0;
for(int x=0;x<2;x++)
{
if(F[id]>>x*2+y&1)Fill(r[id],X|x<<a[id],rX^1<<a[id],Y,rY);
else ok|=1<<x;
}
assert(0b00<=ok&&ok<=0b11);
if(ok==0b11)dfs(id+1,X,rX,Y,rY);
else if(ok==0b01)dfs(id+1,X,rX^1<<a[id],Y,rY);
else if(ok==0b10)dfs(id+1,X|1<<a[id],rX^1<<a[id],Y,rY);
}
}
else
{
if(rY>>b[id]&1)
{
int x=X>>a[id]&1;
int ok=0;
for(int y=0;y<2;y++)
{
if(F[id]>>x*2+y&1)Fill(r[id],X,rX,Y|y<<b[id],rY^1<<b[id]);
else ok|=1<<y;
}
assert(0b00<=ok&&ok<=0b11);
if(ok==0b11)dfs(id+1,X,rX,Y,rY);
else if(ok==0b01)dfs(id+1,X,rX,Y,rY^1<<b[id]);
else if(ok==0b10)dfs(id+1,X,rX,Y|1<<b[id],rY^1<<b[id]);
}
else
{
int x=X>>a[id]&1,y=Y>>b[id]&1;
if(F[id]>>x*2+y&1)Fill(r[id],X,rX,Y,rY);
else dfs(id+1,X,rX,Y,rY);
}
}
}
bitset<1<<10>H[1<<10],W[1<<10];
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
cin>>N>>K;
for(int i=0;i<N;i++)
{
cin>>a[i]>>b[i]>>S>>r[i];
a[i]--,b[i]--;
int idx=0;
F[i]=eval(idx);
assert(idx==S.size());
}
cin>>R;
for(int i=0;i<1<<K;i++)for(int j=0;j<1<<K;j++)tb[i][j]=-1;
dfs(0,0,(1<<K)-1,0,(1<<K)-1);
for(int i=0;i<1<<K;i++)for(int j=0;j<1<<K;j++)
{
assert(tb[i][j]!=-1);
if(tb[i][j]==1)
{
H[i].set(j);
W[j].set(i);
}
}
int ans[3]={};
for(int i=0;i<1<<K;i++)
{
if(tb[i][i]==1)ans[0]++;
for(int j=0;j<1<<K;j++)
{
if(tb[i][j]==1&&tb[j][i]==1)ans[1]++;
if(tb[i][j]==0)ans[2]+=(H[i]&W[j]).count();
}
}
cout<<ans[0]<<" "<<ans[1]<<" "<<ans[2]<<endl;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 9768kb
input:
3 2 1 1 (x=0)&(y=1) 1 1 1 (x=1)&(y=(x^x)) 0 2 2 (x=1)|(y=0) 0 1
output:
0 0 0
result:
ok single line: '0 0 0'
Test #2:
score: 0
Accepted
time: 0ms
memory: 9704kb
input:
4 3 2 1 x=0&(y=1) 1 1 2 !x^!!y 0 2 3 ((x|1)=y)&1&1 1 3 1 !x&!x&!x 0 1
output:
3 25 52
result:
ok single line: '3 25 52'
Test #3:
score: 0
Accepted
time: 11ms
memory: 7700kb
input:
1413 3 1 3 0 0 3 3 !x 0 2 2 x=0 1 1 2 !y^0 1 2 3 (x^1) 0 3 2 ((!0)) 1 1 1 !!1=(y) 0 2 2 !(1^x)&y 1 3 2 (y)&1|!!1 0 3 1 !x=(y&y=y) 0 2 1 (((!1)^!x)) 1 2 3 !0=(0&y)=1&y 0 1 2 ((((!0)))|!1) 0 3 1 !(y=!1=x|(!x)) 0 1 1 ((((y=!y)))&!0) 0 2 3 ((y=1)^!1^!!1|0) 1 2 3 1|(!x)&!x|1|(x=1) 1 2 3 !0^!!!!y&0=(!1&!0...
output:
4 16 0
result:
ok single line: '4 16 0'
Test #4:
score: 0
Accepted
time: 42ms
memory: 11756kb
input:
181737 10 5 2 1 1 1 10 !1=!x 0 10 1 (1^x) 0 2 4 !1 1 10 8 y=(!1)^1 1 6 2 !((x&!x)) 1 1 10 !!((!x)|x) 1 7 10 (((0))) 0 7 3 !(1)^!x 0 10 4 (!1)&x 0 7 7 !y&!0 1 8 8 !1=(x)|1^1 1 2 6 ((!!!x)) 0 7 2 1 1 2 2 y=1=0 0 6 3 (!0) 0 6 4 0 0 1 1 (!1) 1 1 8 y 1 3 5 !x|!x^!1 0 4 7 (!0) 0 3 4 !1&1&!1|!0 1 2 7 ((0|1...
output:
1024 1048576 0
result:
ok single line: '1024 1048576 0'
Test #5:
score: 0
Accepted
time: 3ms
memory: 8232kb
input:
1 3 1 1 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
output:
4 16 0
result:
ok single line: '4 16 0'
Test #6:
score: 0
Accepted
time: 1ms
memory: 9700kb
input:
1 1 1 1 x^y|1 0 1
output:
1 1 0
result:
ok single line: '1 1 0'
Test #7:
score: 0
Accepted
time: 1ms
memory: 7952kb
input:
1 1 1 1 x&y|1 0 1
output:
0 0 0
result:
ok single line: '0 0 0'
Test #8:
score: 0
Accepted
time: 1ms
memory: 7660kb
input:
1 1 1 1 x=y|1 0 1
output:
0 0 0
result:
ok single line: '0 0 0'
Test #9:
score: 0
Accepted
time: 0ms
memory: 7736kb
input:
2 2 1 2 !x&!y 1 1 1 !x&y 0 1
output:
4 12 2
result:
ok single line: '4 12 2'
Test #10:
score: 0
Accepted
time: 49ms
memory: 10912kb
input:
2 10 9 8 ((((!((!x=1))^(!1&(x|x|!y))&((!y&!x=(x=y)))&!((((x=1))&(0=(y))^(!!(!!x^1=x)&(x)^y&1=!x&1=(((!0^(1)^1))^!(((((y))|x|!y))))^!!0=!y&(0)|(y=x&!y&y=x)))=((((!!y&!!0|!0^!0)=!x))))^0&(((!1=!(!x)))|(((((x=1|!y|y)=(!1^1^0^(0)))=!0^1)))=(!(!1^(((((!1)^!x^0))))=(1)^((((y=((x))|(0)|(!1^1)))|(!!!y))=((!...
output:
0 0 0
result:
ok single line: '0 0 0'
Test #11:
score: 0
Accepted
time: 1ms
memory: 7760kb
input:
4 3 1 1 !!!!!!x 0 2 1 !!y 1 1 2 !!!!!x 1 2 2 !!!x 0 1
output:
4 16 0
result:
ok single line: '4 16 0'
Test #12:
score: 0
Accepted
time: 5ms
memory: 22072kb
input:
1 1 1 1 ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((...
output:
1 1 0
result:
ok single line: '1 1 0'
Test #13:
score: 0
Accepted
time: 46ms
memory: 11828kb
input:
200000 10 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10 !x^!y 1 3 10...
output:
512 262144 134217728
result:
ok single line: '512 262144 134217728'
Test #14:
score: 0
Accepted
time: 1ms
memory: 7636kb
input:
10 3 3 1 (!x) 1 3 2 !1&x&1&!y 1 2 1 ((x)&y) 1 1 3 0 0 2 2 !1&0=y&0 1 3 3 (!y)^y 1 2 1 0|((!y)) 0 3 2 x 0 2 2 (y|1^x) 0 2 1 ((!0)|y) 0 1
output:
8 64 0
result:
ok single line: '8 64 0'
Test #15:
score: 0
Accepted
time: 0ms
memory: 5688kb
input:
0 3 1
output:
8 64 0
result:
ok single line: '8 64 0'