이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
int CNTQ[3] = {};
int getQ(){
return max(CNTQ[0],max(CNTQ[1],CNTQ[2]));
}
int min_cardinality(int N) {
// for(int i = 0; i < 50; i++){
// cout << i+1 << " " << i+1 << " ";
// }
// cout << "\n";
// return 0;
int col[N];
for(int i = 0; i < N; i++) col[i] = 0;
int c = 0;
int mn = N;
int pos[N+1];
bool was[N];
int pref[N+1];
for(int i = 0; i <= N; i++) pos[i] = -1;
for(int i = 0; i < N; i++) was[i] = false;
for(int i = 0; i < N; i++) pref[i] = -1;
bool in[N];
vector<int> order;
for(int i = 0; i < N; i++){
move_inside(i);
if(press_button() == 1){
was[i] = 1;
order.push_back(i);
} else {
move_outside(i);
}
}
sort(order.begin(),order.end());
c = order.size();
if(c > N/26)
shuffle(order.begin(),order.end(),rnd);
for(int i = 0; i < order.size(); i++){
col[order[i]] = i;
pos[col[order[i]]] = order[i];
in[i] = 1;
}
if(2*c > N){
return 1;
}
// cerr << "ok\n";
// for(int i = 0; i < c; i++){
// cerr << "pos[i] = " << pos[i] << "\n";
// }
for(int bt = 0; (1 << bt) < c; bt++){
for(int i = 0; i < c; i++){
if(pos[i] == -1)
continue;
if(i >> bt & 1 && !in[i]){
in[i] = 1;
move_inside(pos[i]);
}
if((i >> bt & 1) == 0 && in[i]){
move_outside(pos[i]);
in[i] = 0;
}
}
for(int i = 0; i < N; i++){
if(was[i])
continue;
move_inside(i);
int szIn = press_button();
assert(szIn < 3);
if(szIn == 2){
col[i] |= (1 << bt);
}
move_outside(i);
}
map<int,int> cnt;
for(int i = 0; i < N; i++){
if(col[i] >= (1 << bt))
continue;
cnt[col[i]]++;
}
// cerr << "col: ";
// for(int i = 0; i < N; i++){
// cerr << col[i] << " ";
// }
// cerr << "\n";
for(auto&[x,y] : cnt)
mn = min(mn,y);
if(mn == 1)
return 1;
}
map<int,int> cnt;
for(int i = 0; i < N; i++){
cnt[col[i]]++;
}
for(auto&[x,y] : cnt)
mn = min(mn,y);
return mn;
}
/**
6
5 8 9 5 9 9
1 2 3 0 0 0
40
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20
100
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50
10
1 0 2 0 3 0 4 0 5 0
1
1
**/
컴파일 시 표준 에러 (stderr) 메시지
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | for(int i = 0; i < order.size(); i++){
| ~~^~~~~~~~~~~~~~
insects.cpp:22:9: warning: variable 'pref' set but not used [-Wunused-but-set-variable]
22 | int pref[N+1];
| ^~~~
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