QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#428549 | #8770. Comparator | ucup-team3215# | AC ✓ | 296ms | 6332kb | C++23 | 4.5kb | 2024-06-01 20:17:34 | 2024-06-01 20:17:34 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
bool delim(char c) {
return c == ' ';
}
bool is_op(char c) {
return c == '&' || c == '|' || c == '=' || c == '^' || c == '!';
}
int priority(char op) {
if (op < 0)return 4;
if (op == '=')return 3;
if (op == '&')return 2;
if (op == '|')return 1;
if (op == '^')return 0;
return -1;
}
char isunary(char op) {
return op == '!';
}
void process_op(vector<int> &st, char op) {
if (op < 0) {
int l = st.back();
st.pop_back();
switch (-op) {
case '!':
st.push_back(!l);
break;
}
} else {
int r = st.back();
st.pop_back();
int l = st.back();
st.pop_back();
switch (op) {
case '&':
st.push_back(r & l);
break;
case '|':
st.push_back(r | l);
break;
case '=':
st.push_back(r == l);
break;
case '^':
st.push_back(r ^ l);
break;
}
}
}
int calc(const string &s, int x, int y) {
auto get_variable_val = [&](const string &op) {
return (op == "x" ? x : y);
};
bool may_unary = true;
vector<int> st;
vector<char> op;
for (int i = 0; i < s.size(); ++i) {
if (!delim(s[i])) {
if (s[i] == '(') {
op.push_back('(');
may_unary = true;
} else if (s[i] == ')') {
while (op.back() != '(')process_op(st, op.back()), op.pop_back();
op.pop_back();
may_unary = false;
} else if (is_op(s[i])) {
char curop = s[i];
if (may_unary && isunary(curop))curop = -curop;
while (!op.empty() && (curop >= 0 && priority(op.back()) >= priority(curop)
|| curop < 0 && priority(op.back()) > priority(curop))) {
process_op(st, op.back()), op.pop_back();
}
op.push_back(curop);
may_unary = true;
} else {
string operand;
while (i < s.size() && isalnum(s[i])) {
operand += s[i++];
}
--i;
if (isdigit(operand[0])) {
st.push_back(atoi(operand.c_str()));
} else {
st.push_back(get_variable_val(operand));
}
may_unary = false;
}
}
}
while (!op.empty())process_op(st, op.back()), op.pop_back();
return st.back();
}
constexpr int K = 10;
constexpr int NAX = 1 << K;
pair<int, int> prior[K][K][2][2];
int main() {
cin.tie(0)->sync_with_stdio(false);
for (int i = 0; i < K; ++i) {
for (int j = 0; j < K; ++j) {
prior[i][j][0][0] =
prior[i][j][0][1] =
prior[i][j][1][0] =
prior[i][j][1][1] = {-1, 0};
}
}
int n, k;
cin >> n >> k;
for (int i = 0; i < n; ++i) {
int a, b;
cin >> a >> b;
--a, --b;
string exp;
cin >> exp;
int re;
cin >> re;
for (int x = 0; x < 2; ++x) {
for (int y = 0; y < 2; ++y) {
if (calc(exp, x, y)) {
if(prior[a][b][x][y].first == -1)prior[a][b][x][y] = {n - i, re};
}
}
}
}
int de;
cin >> de;
const int nax = 1 << k;
vector<bitset<NAX>> g(nax);
for (int i = 0; i < nax; ++i) {
for (int j = 0; j < nax; ++j) {
pair<int, int> v = {0, de};
for (int x = 0; x < k; ++x) {
for (int y = 0; y < k; ++y) {
v = max(v, prior[x][y][(i >> x) & 1][(j >> y) & 1]);
}
}
g[i][j] = v.second;
}
}
ll a{0};
for (int i = 0; i < nax; ++i) {
a += g[i][i];
}
ll b{0};
for (int i = 0; i < nax; ++i) {
for (int j = 0; j < nax; ++j) {
if (g[i][j] && g[j][i])++b;
}
}
ll c{0};
for (int i = 0; i < nax; ++i) {
for (int j = 0; j < nax; ++j) {
if (g[i][j]) {
c += (~g[i] & g[j]).count();
}
}
}
cout << a << " " << b << " " << c << "\n";
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3556kb
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: 3620kb
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: 50ms
memory: 3888kb
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: 296ms
memory: 3844kb
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: 15ms
memory: 6332kb
input:
1 3 1 1 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
output:
4 16 0
result:
ok single line: '4 16 0'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3864kb
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: 3556kb
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: 3620kb
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: 3816kb
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: 121ms
memory: 3680kb
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: 0ms
memory: 3620kb
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: 2ms
memory: 3688kb
input:
1 1 1 1 ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((...
output:
1 1 0
result:
ok single line: '1 1 0'
Test #13:
score: 0
Accepted
time: 238ms
memory: 3660kb
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: 3560kb
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: 3620kb
input:
0 3 1
output:
8 64 0
result:
ok single line: '8 64 0'