| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 129735 |
2019-07-13T06:05:15 Z |
BThero |
Library (JOI18_library) |
C++17 |
|
275 ms |
636 KB |
// Why am I so dumb? :c
// chrono::system_clock::now().time_since_epoch().count()
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include "library.h"
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define fi first
#define se second
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int MAXN = (int)1e3 + 5;
vector<int> V[MAXN], S;
int par[MAXN];
int getPar(int x) {
if (x == par[x]) {
return x;
}
else {
return par[x] = getPar(par[x]);
}
}
void uni(int a, int b) {
a = getPar(a);
b = getPar(b);
if (a == b) {
return;
}
par[b] = a;
for (int x : V[b]) {
V[a].pb(x);
}
V[b].clear();
int p = 0;
while (S[p] != b) {
++p;
}
S.erase(S.begin() + p);
}
void Solve(int n) {
vector<int> ask, p(n);
for (int i = 0; i < n; ++i) {
p[i] = i;
}
for (int step = 0; step < 10; ++step) {
random_shuffle(all(p));
}
for (int i = 0; i < n; ++i) {
par[i] = i;
V[i].pb(i);
}
S.pb(p[0]);
int prev = 1;
for (int i = 1; i < n; ++i) {
ask = vector<int>(n, 0);
for (int j = 0; j <= i; ++j) {
ask[p[j]] = 1;
}
int cur = Query(ask);
S.pb(p[i]);
if (cur == prev) {
vector<int> T;
for (int x : S) {
if (x != p[i]) {
T.pb(x);
}
}
while (T.size() > 1) {
vector<int> tmp;
for (int j = 0; j < T.size() / 2; ++j) {
tmp.pb(T[j]);
}
ask = vector<int>(n, 0);
ask[p[i]] = 1;
int need = 0;
for (int x : tmp) {
if (V[x].size() <= 2) {
++need;
}
else {
need += 2;
}
ask[V[x].front()] = 1;
ask[V[x].back()] = 1;
}
if (Query(ask) != need) {
tmp.clear();
for (int j = T.size() / 2; j < T.size(); ++j) {
tmp.pb(T[j]);
}
}
T = tmp;
}
ask = vector<int>(n, 0);
ask[p[i]] = 1;
ask[V[T[0]].front()] = 1;
if (Query(ask) == 1) {
uni(p[i], T[0]);
}
else {
uni(T[0], p[i]);
}
}
else if (cur == prev - 1) {
int a = -1, b = -1;
vector<int> T;
for (int x : S) {
if (x != p[i]) {
T.pb(x);
}
}
while (T.size() > 1) {
vector<int> tmp;
for (int j = 0; j < T.size() / 2; ++j) {
tmp.pb(T[j]);
}
ask = vector<int>(n, 0);
ask[p[i]] = 1;
int need = 0;
for (int x : tmp) {
if (V[x].size() <= 2) {
++need;
}
else {
need += 2;
}
ask[V[x].front()] = 1;
ask[V[x].back()] = 1;
}
if (Query(ask) > need) {
tmp.clear();
for (int j = T.size() / 2; j < T.size(); ++j) {
tmp.pb(T[j]);
}
}
T = tmp;
}
ask = vector<int>(n, 0);
ask[p[i]] = 1;
ask[V[T[0]].front()] = 1;
if (Query(ask) == 1) {
b = T[0];
}
else {
a = T[0];
}
T.clear();
for (int x : S) {
if (x != a && x != b && x != p[i]) {
T.pb(x);
}
}
while (T.size() > 1) {
vector<int> tmp;
for (int j = 0; j < T.size() / 2; ++j) {
tmp.pb(T[j]);
}
ask = vector<int>(n, 0);
ask[p[i]] = 1;
int need = 0;
for (int x : tmp) {
if (V[x].size() <= 2) {
++need;
}
else {
need += 2;
}
ask[V[x].front()] = 1;
ask[V[x].back()] = 1;
}
if (Query(ask) > need) {
tmp.clear();
for (int j = T.size() / 2; j < T.size(); ++j) {
tmp.pb(T[j]);
}
}
T = tmp;
}
ask = vector<int>(n, 0);
ask[p[i]] = 1;
ask[V[T[0]].front()] = 1;
if (Query(ask) == 1) {
if (b != -1) {
reverse(all(V[T[0]]));
a = T[0];
}
else {
b = T[0];
}
}
else {
if (a != -1) {
reverse(all(V[T[0]]));
b = T[0];
}
else {
a = T[0];
}
}
uni(a, p[i]);
uni(p[i], b);
}
prev = cur;
}
int v = 0;
while (getPar(v) != v) {
++v;
}
for (int &x : V[v]) {
++x;
}
Answer(V[v]);
}
Compilation message
library.cpp: In function 'void Solve(int)':
library.cpp:106:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j < T.size() / 2; ++j) {
~~^~~~~~~~~~~~~~
library.cpp:129:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = T.size() / 2; j < T.size(); ++j) {
~~^~~~~~~~~~
library.cpp:161:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j < T.size() / 2; ++j) {
~~^~~~~~~~~~~~~~
library.cpp:184:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = T.size() / 2; j < T.size(); ++j) {
~~^~~~~~~~~~
library.cpp:214:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j < T.size() / 2; ++j) {
~~^~~~~~~~~~~~~~
library.cpp:237:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = T.size() / 2; j < T.size(); ++j) {
~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
27 ms |
376 KB |
# of queries: 1303 |
| 2 |
Correct |
26 ms |
248 KB |
# of queries: 1306 |
| 3 |
Correct |
29 ms |
376 KB |
# of queries: 1381 |
| 4 |
Correct |
27 ms |
376 KB |
# of queries: 1382 |
| 5 |
Correct |
28 ms |
376 KB |
# of queries: 1361 |
| 6 |
Correct |
25 ms |
376 KB |
# of queries: 1372 |
| 7 |
Correct |
33 ms |
376 KB |
# of queries: 1380 |
| 8 |
Correct |
27 ms |
376 KB |
# of queries: 1337 |
| 9 |
Correct |
30 ms |
376 KB |
# of queries: 1371 |
| 10 |
Correct |
16 ms |
424 KB |
# of queries: 804 |
| 11 |
Correct |
2 ms |
248 KB |
# of queries: 0 |
| 12 |
Correct |
2 ms |
248 KB |
# of queries: 2 |
| 13 |
Correct |
2 ms |
248 KB |
# of queries: 4 |
| 14 |
Correct |
2 ms |
248 KB |
# of queries: 7 |
| 15 |
Correct |
3 ms |
376 KB |
# of queries: 47 |
| 16 |
Correct |
4 ms |
376 KB |
# of queries: 100 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
27 ms |
376 KB |
# of queries: 1303 |
| 2 |
Correct |
26 ms |
248 KB |
# of queries: 1306 |
| 3 |
Correct |
29 ms |
376 KB |
# of queries: 1381 |
| 4 |
Correct |
27 ms |
376 KB |
# of queries: 1382 |
| 5 |
Correct |
28 ms |
376 KB |
# of queries: 1361 |
| 6 |
Correct |
25 ms |
376 KB |
# of queries: 1372 |
| 7 |
Correct |
33 ms |
376 KB |
# of queries: 1380 |
| 8 |
Correct |
27 ms |
376 KB |
# of queries: 1337 |
| 9 |
Correct |
30 ms |
376 KB |
# of queries: 1371 |
| 10 |
Correct |
16 ms |
424 KB |
# of queries: 804 |
| 11 |
Correct |
2 ms |
248 KB |
# of queries: 0 |
| 12 |
Correct |
2 ms |
248 KB |
# of queries: 2 |
| 13 |
Correct |
2 ms |
248 KB |
# of queries: 4 |
| 14 |
Correct |
2 ms |
248 KB |
# of queries: 7 |
| 15 |
Correct |
3 ms |
376 KB |
# of queries: 47 |
| 16 |
Correct |
4 ms |
376 KB |
# of queries: 100 |
| 17 |
Correct |
246 ms |
636 KB |
# of queries: 9167 |
| 18 |
Correct |
226 ms |
396 KB |
# of queries: 8988 |
| 19 |
Correct |
274 ms |
504 KB |
# of queries: 9163 |
| 20 |
Correct |
244 ms |
388 KB |
# of queries: 8503 |
| 21 |
Correct |
239 ms |
424 KB |
# of queries: 8037 |
| 22 |
Correct |
267 ms |
504 KB |
# of queries: 9157 |
| 23 |
Correct |
275 ms |
632 KB |
# of queries: 9169 |
| 24 |
Correct |
92 ms |
376 KB |
# of queries: 4202 |
| 25 |
Correct |
211 ms |
392 KB |
# of queries: 8956 |
| 26 |
Correct |
201 ms |
504 KB |
# of queries: 8312 |
| 27 |
Correct |
91 ms |
448 KB |
# of queries: 4191 |
| 28 |
Correct |
272 ms |
516 KB |
# of queries: 9141 |
| 29 |
Correct |
266 ms |
436 KB |
# of queries: 9172 |
| 30 |
Correct |
268 ms |
504 KB |
# of queries: 9141 |
