# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
642175 | birthdaycake | Prisoner Challenge (IOI22_prison) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "prison.h"
#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif
// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#endif
#define int long long
#define endl '\n'
#define boost ios_base::sync_with_stdio(false), cin.tie(NULL);
using namespace std;
// odd has , even doesnt
// 0 check a
// 1 , 2 check b for 0
vector<vector<int>> devise_strategy(int N) {
vector<vector<int>>ans;
vector<int>d;
d.push_back(0);
for(int i = 1; i <= N; i++) {
if(i == 1){
d.push_back(-1);
continue;
}
else if(i == N){
d.push_back(-2);
continue;
}
if(i & (1 << (12))) d.push_back(1);
else d.push_back(2);
}
ans.push_back(d);
d.clear();
bool turn = 0; int cnt = 0;
for(int j = 1; cnt < 12 || turn == 0; j+=2){
if(turn){
// check a
cnt++;
d.push_back(0);
for(int i = 1; i <= N; i++){
if(i == 1) d.push_back(-1);
else if(i == N) d.push_back(-2);
else if(i & ((1 << cnt))) {
d.push_back(j + 2);
}
else {
d.push_back(j + 3);
}
}
ans.push_back(d);
d.clear();
d.push_back(0);
for(int i = 1; i <= N; i++){
if(i == 1) d.push_back(-1);
else if(i == N) d.push_back(-2);
else if(i & ((1 << cnt))){
d.push_back(j + 2);
}
else {
d.push_back(j + 3);
}
}
ans.push_back(d);
d.clear();
}else{
d.push_back(1);
for(int i = 1; i <= N; i++){
if(i == 1) d.push_back(-2);
else if(i == N) d.push_back(-1);
else if(i & ((1 << cnt))) d.push_back(j + 2);
else d.push_back(-2);
}
ans.push_back(d);
d.clear();
d.push_back(1);
for(int i = 1; i <= N; i++){
if(i == 1) d.push_back(-1);
else if(i == N) d.push_back(-2);
else if(i & ((1 << cnt))) d.push_back(-1);
else d.push_back(j + 3);
}
ans.push_back(d);
d.clear();
}
turn = !turn;
}
return ans;
}