QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#432760 | #8770. Comparator | ideograph_advantage# | WA | 205ms | 11808kb | C++20 | 3.4kb | 2024-06-07 16:43:31 | 2024-06-07 16:43:32 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define iter(v) v.begin(), v.end()
#define SZ(v) int(v.size())
#define pb emplace_back
#define ff first
#define ss second
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
#ifdef zisk
void debug(){cerr << "\n";}
template<class T, class ... U>
void debug(T a, U ... b){ cerr << a << " ", debug(b...); }
template<class T> void pary(T l, T r){
while(l != r) cerr << *l << " ", l++;
cerr << "\n";
}
#else
#define debug(...) void()
#define pary(...) void()
#endif
template<class A, class B>
ostream& operator<<(ostream& o, pair<A, B> p){
return o << '(' << p.ff << ',' << p.ss << ')';
}
struct condition{
int a, b;
string expr;
int r;
};
int eval(string &expr, int x, int y){
//debug("eval", expr, x, y);
vector<int> stk;
vector<char> opt;
auto put_val = [&](int v) -> void{
//debug("put_val", v);
while(!opt.empty() && opt.back() != '('){
if(opt.back() == '!'){
opt.pop_back();
v = !v;
continue;
}
int t = stk.back();
stk.pop_back();
if(opt.back() == '=')
opt.pop_back(), v = v == t;
else if(opt.back() == '&')
opt.pop_back(), v = v && t;
else if(opt.back() == '|')
opt.pop_back(), v = v || t;
else{ // ^
opt.pop_back(), v = v ^ t;
}
}
stk.pb(v);
};
auto put_opt = [&](char c){
if(c == ')'){
assert(!stk.empty() && !opt.empty() && opt.back() == '(');
int t = stk.back();
opt.pop_back();
stk.pop_back();
put_val(t);
}
else{
opt.pb(c);
}
};
for(char c : expr){
if(c == '0') put_val(0);
else if(c == '1') put_val(1);
else if(c == 'x') put_val(x);
else if(c == 'y') put_val(y);
else put_opt(c);
//debug("cur", c);
//pary(iter(stk));
//pary(iter(opt));
}
assert(SZ(stk) == 1 && opt.empty());
return stk[0];
}
inline int get(int i,int k){
return (i>>k)&1;
}
vector<bitset<1024> > in,out;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, k;
cin >> n >> k;
int u=(1<<k);
in.resize(u);
out.resize(u);
vector<condition> opt(n+1);
for(int i = 0; i < n; i++){
int a, b;
string expr;
int r;
cin >> a >> b >> expr >> r;
a--;
b--;
opt[i] = condition({a, b, expr, r});
}
int else_ret; cin >> else_ret;
opt[n].r=else_ret;
int f[10][10][2][2]={0};
for(int i=0;i<10;i++){
for(int j=0;j<10;j++){
for(int x=0;x<2;x++){
for(int y=0;y<2;y++){
f[i][j][x][y]=n;
}
}
}
}
for(int i=0;i<n;i++){
for(int x=0;x<2;x++){
for(int y=0;y<2;y++){
int z=eval(opt[i].expr,x,y);
if(z){
f[opt[i].a][opt[i].b][x][y]=min(f[opt[i].a][opt[i].b][x][y],i);
}
}
}
}
//debug(f[0][0][0][1],f[0][0][1][0]);
for(int i=0;i<u;i++){
for(int j=0;j<u;j++){
int w=1e9;
for(int p=0;p<k;p++){
for(int q=0;q<k;q++){
w=min(w,f[p][q][get(i,p)][get(j,q)]);
}
}
if(opt[w].r){
//debug(i,j,w);
in[i][j]=1;
out[j][i]=1;
}
}
}
int cnt1=0,cnt2=0,cnt3=0;
for(int i=0;i<u;i++){
if(in[i][i]!=0){
cnt1++;
}
}
for(int i=0;i<u;i++){
for(int j=0;j<u;j++){
if(in[i][j] && in[j][i]){
cnt2++;
}
}
}
for(int i=0;i<u;i++){
for(int j=0;j<u;j++){
if(in[i][j]){
continue;
}
// debug(i,j);
// cout << (in[i]&out[j]) << "\n";
cnt3+=(in[i]&out[j]).count();
}
}
cout << cnt1 << " " << cnt2 << " " << cnt3 << "\n";
// test
/*
for(int i = 0; i < n; i++){
debug("expression", opt[i].expr);
for(int x : {0, 1}) for(int y : {0, 1}){
debug("x", x, "y", y, "ret", eval(opt[i].expr, x, y));
}
}
*/
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3624kb
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: 3852kb
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: 26ms
memory: 4616kb
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: 205ms
memory: 11808kb
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: 17ms
memory: 6240kb
input:
1 3 1 1 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
output:
4 16 0
result:
ok single line: '4 16 0'
Test #6:
score: -100
Wrong Answer
time: 0ms
memory: 3844kb
input:
1 1 1 1 x^y|1 0 1
output:
0 0 0
result:
wrong answer 1st lines differ - expected: '1 1 0', found: '0 0 0'