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 |
---|---|---|---|---|---|---|---|---|---|
#439371 | #8770. Comparator | PetroTarnavskyi | AC ✓ | 386ms | 46780kb | C++14 | 3.5kb | 2024-06-11 20:34:06 | 2024-06-11 20:34:07 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;
const int N = 200'447;
const int K = 10;
VI f[N];
string s[N];
int res[N];
int idxA[N];
int idxB[N];
int val[K][K][2][2];
int h[1 << K][1 << K];
bitset<(1 << K)> bts[1 << K];
bitset<(1 << K)> rbts[1 << K];
void upd(int& a, int b)
{
a = min(a, b);
}
bool g(bool x, bool y, char c)
{
if (c == '=')
return x == y;
if (c == '&')
return x && y;
if (c == '|')
return x || y;
return x ^ y;
}
bool eval(int i, int l, int r, bool x, bool y)
{
//cerr << s[i] << ' ' << l << ' ' << r << '\n';
bool nt = false;
VI v;
string op = "";
FOR (j, l, r)
{
if (s[i][j] == '!')
nt ^= 1;
else if (s[i][j] == '(')
{
v.PB(eval(i, j + 1, f[i][j], x, y) ^ nt);
nt = 0;
j = f[i][j];
}
else if (s[i][j] == 'x')
{
v.PB(x ^ nt);
nt = 0;
}
else if (s[i][j] == 'y')
{
v.PB(y ^ nt);
nt = 0;
}
else if (s[i][j] == '0' || s[i][j] == '1')
{
v.PB((s[i][j] - '0') ^ nt);
nt = 0;
}
else
{
//cerr << s[i][j] << '\n';
assert(s[i][j] == '=' || s[i][j] == '&' || s[i][j] == '|' || s[i][j] == '^');
op += s[i][j];
}
}
string all = "=&|^";
FOR (t, 0, 4)
{
int last = v[0];
VI v2;
string op2 = "";
FOR (j, 0, SZ(op))
{
if (op[j] == all[t])
{
last = g(last, v[j + 1], op[j]);
}
else
{
v2.PB(last);
op2 += op[j];
last = v[j + 1];
}
}
v2.PB(last);
v = v2;
op = op2;
}
//cerr << SZ(v) << ' ' << SZ(op) << '\n';
assert(SZ(v) == 1);
return v[0];
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int n, k;
cin >> n >> k;
FOR (i, 0, k) FOR (j, 0, k) FOR (vi, 0, 2) FOR (vj, 0, 2) val[i][j][vi][vj] = n;
FOR (i, 0, n)
{
cin >> idxA[i] >> idxB[i];
idxA[i] = k - idxA[i];
idxB[i] = k - idxB[i];
cin >> s[i];
f[i].resize(SZ(s[i]));
VI st;
FOR (j, 0, SZ(s[i]))
{
if (s[i][j] == '(')
st.PB(j);
else if (s[i][j] == ')')
{
f[i][st.back()] = j;
st.pop_back();
}
}
FOR (vi, 0, 2)
{
FOR (vj, 0, 2)
{
int x = eval(i, 0, SZ(s[i]), vi, vj);
//cerr << x;
if (x)
upd(val[idxA[i]][idxB[i]][vi][vj], i);
}
}
//cerr << "\n";
cin >> res[i];
}
cin >> res[n];
//FOR (i, 0, k) FOR (j, 0, k) FOR (vi, 0, 2) FOR (vj, 0, 2)
// cerr << i << ' ' << j << ' ' << vi << ' ' << vj << ' ' << val[i][j][vi][vj] << '\n';
int a = 0;
int b = 0;
int c = 0;
FOR (mask1, 0, 1 << k)
{
FOR (mask2, 0, 1 << k)
{
int mn = n;
FOR (i, 0, k)
{
FOR (j, 0, k)
{
int vi = (mask1 >> i) & 1;
int vj = (mask2 >> j) & 1;
upd(mn, val[i][j][vi][vj]);
}
}
h[mask1][mask2] = res[mn];
if (mask1 == mask2 && h[mask1][mask2] == 1)
a++;
if (h[mask1][mask2])
bts[mask1][mask2] = rbts[mask2][mask1] = 1;
}
}
//b = (1 << k) * ((1 << k) - 1) / 2;
FOR (x, 0, 1 << k)
{
FOR (y, 0, 1 << k)
{
if (h[x][y] && h[y][x])
b++;
}
}
//b += 2 * a;
FOR (x, 0, 1 << k)
{
FOR (z, 0, 1 << k)
{
if (h[x][z] == 0)
{
c += (bts[x] & rbts[z]).count();
}
}
}
cout << a << ' ' << b << ' ' << c << '\n';
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 14612kb
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: 3ms
memory: 14548kb
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: 179ms
memory: 19320kb
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: 386ms
memory: 27860kb
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: 12ms
memory: 19232kb
input:
1 3 1 1 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
output:
4 16 0
result:
ok single line: '4 16 0'
Test #6:
score: 0
Accepted
time: 3ms
memory: 14784kb
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: 0ms
memory: 14608kb
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: 0ms
memory: 14608kb
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: 14584kb
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: 172ms
memory: 18992kb
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: 14568kb
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: 59ms
memory: 46780kb
input:
1 1 1 1 ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((...
output:
1 1 0
result:
ok single line: '1 1 0'
Test #13:
score: 0
Accepted
time: 346ms
memory: 27756kb
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: 14764kb
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: 2ms
memory: 14528kb
input:
0 3 1
output:
8 64 0
result:
ok single line: '8 64 0'