#include <bits/stdc++.h>
#include "doll.h"
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
template <class T1, class T2>
bool maximize(T1 &a, T2 b){
if (a < b) {a = b; return true;}
return false;
}
template <class T1, class T2>
bool minimize(T1 &a, T2 b){
if (a > b) {a = b; return true;}
return false;
}
template <class T>
void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
for(auto item: container) out << item << separator;
out << finish;
}
template <class T>
void remove_dup(vector<T> &a){
sort(ALL(a));
a.resize(unique(ALL(a)) - a.begin());
}
void create_circuit(int m, vector<int> a);
namespace Grader{
int n, m;
vector<int> a;
void answer(vector<int> C, vector<int> X, vector<int> Y){
cout << n << "\n";
if (X.size() > n + logOf(n) + 1) {
cout << "Wrong answer! (switch limit exceeded)\n";
cout << "Switch used: " << X.size() << "\n";
exit(1);
}
cout << "Validating...\n";
int ball = 0;
vector<int> ans;
vector<bool> state(X.size());
while(ball != 0 || ans.empty()){
if (ball > 0) ans.push_back(ball);
if (ball >= 0){
ball = C[ball];
}
else {
int cur = (-ball) - 1;
if (state[cur]){
state[cur] = false;
ball = Y[cur];
}
else{
state[cur] = true;
ball = X[cur];
}
}
}
if (ans != a) cout << "Wrong answer! (incorrect sequence produced)\n";
else if (*max_element(ALL(state)) == 1) cout << "Wrong answer! (there exists an Y switch)\n";
else {
cout << "Correct answer!\n";
cout << "Switch used: " << X.size() << "\n";
return;
}
exit(1);
}
void solve(){
// cin >> n >> m;
n = rngesus(1, 1024), m = rngesus(1, 1);
a = vector<int>(n);
// for(int i = 0; i<n; ++i) cin >> a[i];
for(int i = 0; i<n; ++i) a[i] = rngesus(1, m);
create_circuit(m, a);
}
}
// using namespace Grader;
void toss(vector<int> &a){
int n = a.size();
vector<int> st(n*2);
for(int i: a){
int idx = 1;
while(idx < n){
if (!st[idx]){
st[idx] = 1;
idx = idx * 2;
}
else{
st[idx] = 0;
idx = idx * 2 + 1;
}
}
st[idx] = i;
}
for(int i = n; i<n*2; ++i) a[i-n] = st[i];
}
void create_circuit(int m, vector<int> a) {
vector<int> C(m+1, 0);
vector<int> X, Y;
int n = a.size();
for(int i = 1; i<=m; ++i) C[i] = -1;
C[0] = a[0];
a.erase(a.begin());
int k = MASK(logOf(a.size()) + 1);
vector<int> perm(k);
for(int i = 0; i<k; ++i) perm[i] = i;
a.push_back(0);
n = a.size();
toss(perm);
vector<int> b;
for(int i = k-n; i < k; ++i) b.push_back(perm[i]);
sort(ALL(b));
map<int, int> mp;
for(int i = 0; i<b.size(); ++i)
mp[b[i]] = a[i];
vector<int> kus(k, -1);
for(int i = k-n; i<k; ++i) kus[i] = mp[perm[i]];
int cur = 0;
vector<int> mariana(k);
for(int j: kus) mariana.push_back(j);
vector<vector<int>> v(k);
for(int i= k; i<k*2; ++i){
int idx = i;
while(idx > 1){
idx >>= 1;
v[idx].push_back(mariana[i]);
}
}
map<vector<int>, int> stu;
for(int i = 1; i<k; ++i){
if (stu.count(v[i])){
mariana[i]= stu[v[i]];
}
else{
mariana[i] = stu[v[i]] = --cur;
}
}
while(X.size() < -cur){
X.push_back(0);
Y.push_back(0);
}
for(int i = 1; i<k; ++i){
int pos = -mariana[i]-1;
X[pos] = mariana[i * 2];
Y[pos] = mariana[i * 2 + 1];
}
answer(C, X, Y);
}
// int main(void){
// ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
// int t; cin >> t;
// for(int iteration = 1; iteration <= t; ++iteration)
// solve();
// return 0;
// }
Compilation message
doll.cpp: In function 'void Grader::answer(std::vector<int>, std::vector<int>, std::vector<int>)':
doll.cpp:55:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
55 | if (X.size() > n + logOf(n) + 1) {
| ~~~~~~~~~^~~~~~~~~~~~~~~~~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:151:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
151 | for(int i = 0; i<b.size(); ++i)
| ~^~~~~~~~~
doll.cpp:179:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
179 | while(X.size() < -cur){
| ~~~~~~~~~^~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
wrong motion |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
106 ms |
26988 KB |
Output is correct |
3 |
Correct |
157 ms |
46952 KB |
Output is correct |
4 |
Correct |
217 ms |
51320 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
106 ms |
26988 KB |
Output is correct |
3 |
Correct |
157 ms |
46952 KB |
Output is correct |
4 |
Correct |
217 ms |
51320 KB |
Output is correct |
5 |
Incorrect |
378 ms |
87660 KB |
wrong motion |
6 |
Halted |
0 ms |
0 KB |
- |