제출 #913584

#제출 시각아이디문제언어결과실행 시간메모리
913584blackscreen1Coreputer (IOI23_coreputer)C++17
0 / 100
1 ms500 KiB
#include "coreputer.h" #include <bits//stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; typedef tree<long long, null_type, less<long long>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; typedef tree<long long, null_type, less_equal<long long>, rb_tree_tag, tree_order_statistics_node_update> ordered_multiset; #define ll long long #define ld long double #define iloop(m, h) for (ll i = m; i != h; i += (m < h ? 1 : -1)) #define jloop(m, h) for (auto j = m; j != h; j += (m < h ? 1 : -1)) #define kloop(m, h) for (auto k = m; k != h; k += (m < h ? 1 : -1)) #define lloop(m, h) for (auto l = m; l != h; l += (m < h ? 1 : -1)) #define iloop_(m, h, g) for (auto i = m; i != h; i += g) #define jloop_(m, h, g) for (auto j = m; j != h; j += g) #define kloop_(m, h, g) for (auto k = m; k != h; k += g) #define lloop_(m, h, g) for (auto l = m; l != h; l += g) #define getchar_unlocked _getchar_nolock // comment before submission #define pll pair<ll, ll> #define plll pair<ll, pll> #define pllll pair<pll, pll> #define vll vector<ll> #define qll queue<ll> #define dll deque<ll> #define pqll priority_queue<ll> #define gll greater<ll> #define INF 1000000000000000 #define MOD1 1000000007 #define MOD2 998244353 #define MOD3 1000000009 mt19937 rng(chrono::system_clock::now().time_since_epoch().count()); vector<int> malfunctioning_cores(int N) { int lb = 0, ub = N-1, mid; bool is_even = 0; while (ub > lb) { mid = (lb + ub)>>1; vector<int> v; iloop(0, mid+1) v.push_back(i); int tm = run_diagnostic(v); if (tm == -1) lb = mid + 1; else { ub = mid; if (tm == 0) is_even = 1; } } bool is[N]; memset(is, 0, sizeof(is)); is[lb] = 1; if (is_even) { int cnt = 0; vector<int> v; iloop(0, lb+1) v.push_back(i); iloop(lb+1, N) { v.push_back(i); if (run_diagnostic(v) != 0) {is[i] = 1; cnt++;} v.pop_back(); } v.clear(); iloop(lb+1, N) v.push_back(i); iloop(lb-1, 0) { v.push_back(i); if (run_diagnostic(v) != 0) {is[i] = 1; cnt--;} v.pop_back(); } if (cnt) is[0] = 1; } else { int cnt = 0; vector<int> v; iloop(0, lb) v.push_back(i); iloop(lb+1, N) { v.push_back(i); if (run_diagnostic(v) != -1) {is[i] = 1; cnt++;} v.pop_back(); } v.clear(); iloop(lb+1, N) v.push_back(i); iloop(lb-1, 0) { v.push_back(i); if (run_diagnostic(v) != -1) {is[i] = 1; cnt--;} v.pop_back(); } if (cnt) is[0] = 1; } vector<int> ans; iloop(0, N) if (is[i]) ans.push_back(i); return ans; }
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