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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 |
---|---|---|---|---|---|---|---|---|---|
#743865 | #8770. Comparator | ydzr00000 | AC ✓ | 611ms | 11800kb | C++17 | 6.9kb | 2024-11-13 20:12:02 | 2024-11-13 20:12:09 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
template<typename T>
class Stack{
private:
T stk[1000001];
int stktop=0;
public:
inline bool empty(){return !stktop;}
inline int size(){return stktop;}
inline T top(){if(!stktop) assert(false);return stk[stktop];}
inline void push(const T &x){stk[++stktop]=x;}
inline void pop(){if(stktop<0) assert(false);stktop--;}
};
class Expression{
private:
inline bool check_operator(char c)
{
return c=='&'||c=='|'||c=='!'||c=='='||c=='^';
}
inline int operator_num(char c)
{
if(c=='^')
return 1;
if(c=='|')
return 2;
if(c=='&')
return 3;
if(c=='=')
return 4;
if(c=='!')
return 6;
return 5;
}
Stack<char>fix;
Stack<char>formula;
Stack<char>num;
Stack<char>st;
inline void postfix(string s)
{
s=s+'@';
for(int i=0;i<s.length();i++)
{
if(s[i]=='(')
st.push(s[i]);
else if(s[i]==')')
{
while(st.top()!='(')
{
fix.push(st.top());
st.pop();
}
st.pop();
}
else if(check_operator(s[i]))
{
if(s[i]=='!')
{
int j=i,cnt=0;
while(j<s.length()&&s[j]=='!')
cnt++,j++;
if(cnt>1)
{
if(cnt&1)
i=j-2;
else
i=j-1;
continue;
}
}
while(!st.empty()&&st.top()!='('&&operator_num(st.top())>=operator_num(s[i]))
{
fix.push(st.top());
st.pop();
}
st.push(s[i]);
}
else if(s[i]=='0'||s[i]=='1')
fix.push(s[i]);
else
{
while(!st.empty())
{
fix.push(st.top());
st.pop();
}
}
}
}
inline void reverse_stack()
{
while(!fix.empty())
{
formula.push(fix.top());
fix.pop();
}
}
inline bool GetVal(const char &c)
{
return c=='1';
}
inline char GetChar(const bool &f)
{
return f?'1':'0';
}
inline char calculate()
{
while(!formula.empty())
{
char now=formula.top();
formula.pop();
if(!check_operator(now))
num.push(now);
else
{
if(now=='&')
{
bool a=GetVal(num.top());
num.pop();
bool b=GetVal(num.top());
num.pop();
num.push(GetChar(a&b));
}
else if(now=='|')
{
bool a=GetVal(num.top());
num.pop();
bool b=GetVal(num.top());
num.pop();
num.push(GetChar(a|b));
}
else if(now=='!')
{
bool a=GetVal(num.top());
num.pop();
num.push(GetChar(!a));
}
else if(now=='^')
{
bool a=GetVal(num.top());
num.pop();
bool b=GetVal(num.top());
num.pop();
num.push(GetChar(a^b));
}
else
{
bool a=GetVal(num.top());
num.pop();
bool b=GetVal(num.top());
num.pop();
num.push(GetChar(a==b));
}
}
}
char ans=num.top();
num.pop();
return ans;
}
public:
inline bool work(const string &expr)
{
postfix(expr);
reverse_stack();
return calculate()=='1';
}
};
Expression E;
struct Lim{
int a,x,b,y,r;
};
vector<Lim>L;
bool vis[11][2][11][2];
int res[1<<10][1<<10];
bitset<1024>f[1<<10],g[1<<10];
int main(){
int n,k;
cin>>n>>k;
for(int i=1;i<=n;i++)
{
int a,b,r;
string expr;
cin>>a>>b>>expr>>r;
for(int x: {0,1})
for(int y: {0,1})
{
string upd=expr;
for(auto &ch: upd)
{
if(ch=='x')
ch=(char)(x+'0');
if(ch=='y')
ch=(char)(y+'0');
}
if(E.work(upd))
{
if(!vis[a][x][b][y])
L.push_back({a,x,b,y,r});
vis[a][x][b][y]=true;
}
}
}
memset(res,-1,sizeof(res));
for(auto [a,x,b,y,r]: L)
{
for(int s=0;s<(1<<k);s++)
for(int t=0;t<(1<<k);t++)
{
int g=((s>>(a-1))&1);
int h=((t>>(b-1))&1);
if(g==x&&h==y&&res[s][t]==-1)
res[s][t]=r;
}
}
int z;
cin>>z;
for(int i=0;i<(1<<k);i++)
for(int j=0;j<(1<<k);j++)
if(res[i][j]==-1)
res[i][j]=z;
int vRefl=0,vSym=0,vTrans=0;
for(int i=0;i<(1<<k);i++)
if(res[i][i])
vRefl++;
for(int i=0;i<(1<<k);i++)
for(int j=0;j<(1<<k);j++)
if(res[i][j]&&res[j][i])
vSym++;
for(int i=0;i<(1<<k);i++)
for(int j=0;j<(1<<k);j++)
if(res[i][j])
{
f[i][j]=1;
g[j][i]=1;
}
for(int i=0;i<(1<<k);i++)
for(int j=0;j<(1<<k);j++)
if(!res[i][j])
vTrans+=(f[i]&g[j]).count();
cout<<vRefl<<" "<<vSym<<" "<<vTrans<<endl;
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 11264kb
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: 2ms
memory: 10528kb
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: 49ms
memory: 10708kb
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: 611ms
memory: 11700kb
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: 20ms
memory: 11592kb
input:
1 3 1 1 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
output:
4 16 0
result:
ok single line: '4 16 0'
Test #6:
score: 0
Accepted
time: 0ms
memory: 10160kb
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: 2ms
memory: 10844kb
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: 10060kb
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: 2ms
memory: 11264kb
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: 63ms
memory: 10392kb
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: 2ms
memory: 11800kb
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: 3ms
memory: 11532kb
input:
1 1 1 1 ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((...
output:
1 1 0
result:
ok single line: '1 1 0'
Test #13:
score: 0
Accepted
time: 165ms
memory: 11588kb
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: 0ms
memory: 11352kb
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: 1ms
memory: 9692kb
input:
0 3 1
output:
8 64 0
result:
ok single line: '8 64 0'