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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#439379 | #8770. Comparator | ucup-team045 | WA | 1ms | 3840kb | C++20 | 3.6kb | 2024-06-11 20:46:41 | 2024-06-11 20:46:41 |
Judging History
answer
#include<iostream>
#include<cstring>
#include<vector>
#include<array>
#include<set>
#include<bitset>
using namespace std;
using LL = long long;
bitset<1 << 10> bs[1 << 10][2];
int main(){
#ifdef LOCAL
freopen("data.in", "r", stdin);
freopen("data.out", "w", stdout);
#endif
cin.tie(0);
cout.tie(0);
ios::sync_with_stdio(0);
int mp[256]{};
mp['!'] = 2;
mp['='] = mp['&'] = mp['|'] = mp['^'] = 1;
int n, m;
cin >> n >> m;
auto get = [&](string s, int x, int y){
vector<int> nums;
vector<char> ops;
auto eval = [&](){
char op = ops.back();
ops.pop_back();
if (op == '!'){
nums.back() ^= 1;
}
else{
int t1 = nums.back();
nums.pop_back();
int t2 = nums.back();
nums.pop_back();
if (op == '=') nums.push_back(t1 == t2);
if (op == '&') nums.push_back(t1 & t2);
if (op == '|') nums.push_back(t1 | t2);
if (op == '^') nums.push_back(t1 ^ t2);
}
};
for(auto c : s){
if (isdigit(c)){
nums.push_back(c - '0');
}
else if (c == 'x'){
nums.push_back(x);
}
else if (c == 'y'){
nums.push_back(y);
}
else if (c == '('){
ops.push_back('(');
}
else if (c == ')'){
while(ops.back() != '(') eval();
ops.pop_back();
}
else{
if (c == '!'){
if (!ops.empty() and ops.back() == '!') ops.pop_back();
else ops.push_back('!');
}
else{
while(!ops.empty() and ops.back() != '(' and mp[ops.back()] >= mp[c]) eval();
}
}
}
while(!ops.empty()) eval();
return nums.back();
};
set<array<int, 4> > st;
vector<array<int, 4> > p;
for(int i = 0; i < n; i++){
int a, b, d; string s;
cin >> a >> b >> s >> d;
a--, b--;
int c = 0;
for(int j = 0; j < 4; j++){
int x = j % 2, y = j / 2;
c |= get(s, x, y) << j;
}
if (!st.contains({a, b, c, d})){
st.insert({a, b, c, d});
p.push_back({a, b, c, d});
}
}
int k;
cin >> k;
auto f = [&](int x, int y){
for(auto &[a, b, c, d] : p){
int bit1 = x >> a & 1;
int bit2 = y >> b & 1;
if (c >> (bit1 + bit2 * 2) & 1){
return d;
}
}
return k;
};
vector<vector<int> > a(1 << m, vector<int>(1 << m));
for(int i = 0; i < 1 << m; i++){
for(int j = 0; j < 1 << m; j++){
a[i][j] = f(i, j);
bs[i][a[i][j]].set(j);
}
}
int cnt1 = 0, cnt2 = 0, cnt3 = 0;
for(int i = 0; i < 1 << m; i++){
cnt1 += a[i][i];
}
for(int i = 0; i < 1 << m; i++){
for(int j = 0; j < 1 << m; j++){
if (a[i][j] == 1 and a[j][i] != 0){
cnt2 += 1;
}
}
}
for(int i = 0; i < 1 << m; i++){
for(int j = 0; j < 1 << m; j++){
if (a[i][j]){
cnt3 += (bs[j][1] & bs[i][0]).count();
}
}
}
cout << cnt1 << ' ' << cnt2 << ' ' << cnt3 << '\n';
}
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3840kb
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:
4 16 0
result:
wrong answer 1st lines differ - expected: '0 0 0', found: '4 16 0'