제출 #1185447

#제출 시각아이디문제언어결과실행 시간메모리
1185447steveonalexMixture (BOI20_mixture)C++20
0 / 100
0 ms328 KiB
#include <bits/stdc++.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 gcd(ll a, ll b){return __gcd(abs(a), abs(b));} ll lcm(ll a, ll b){return abs(a) / gcd(a, b) * abs(b);} ll LASTBIT(ll mask){return (mask) & (-mask);} int pop_cnt(ull 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()); // mt19937_64 rng(1); 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; } pair<ll, ll> get_vector(array<ll, 3> a, array<ll, 3> b){ ll left = a[0], right = b[0]; for(ll &i: a) i *= right; for(ll &i: b) i *= left; pair<ll, ll> lmao = {b[1] - a[1], b[2] - a[2]}; ll g = gcd(abs(lmao.first), abs(lmao.second)); if (g != 0){ lmao.first /= g; lmao.second /= g; } return lmao; } int calc(vector<pair<ll, ll>> a){ for(pair<ll, ll> i: a) if (abs(i.first) + abs(i.second) == 0) return 1; for(pair<ll, ll> i: a) for(pair<ll, ll> j: a){ if (i.first == -j.first && i.second == -j.second) return 2; } int mask = 0; for(pair<ll, ll> i: a){ if (i.first == 0){ if (i.second > 0) mask |= 1; else mask |= 2; } if (i.second == 0){ if (i.first > 0) mask |= 4; else mask |= 8; } } for(pair<ll, ll> i: a) for(pair<ll, ll> j: a){ if (i.first * j.first < 0){ ll sum = i.second * abs(j.first) + j.second * abs(i.first); if (sum > 0) mask |= 1; else mask |= 2; } if (i.second * j.second < 0){ ll sum = i.first * abs(j.second) + j.first * abs(i.second); if (sum > 0) mask |= 4; else mask |= 8; } } if ((mask & 3) == 3 || (mask & 12) == 12) return 3; return 0; } void solve(){ array<ll, 3> cake; for(ll &i: cake) cin >> i; int idx = max_element(ALL(cake)) - cake.begin(); swap(cake[0], cake[idx]); int q; cin >> q; vector<pair<ll, ll>> dude; vector<bool> activated; ll zero_cnt = 0; map<pair<ll, ll>, ll> mp; ll pair_cnt = 0; ll vector_cnt[4]; memset(vector_cnt, 0, sizeof vector_cnt); for(int it = 0; it < q; ++it){ char type; cin >> type; if (type == 'A'){ array<ll, 3> cur; for(ll &i: cur) cin >> i; swap(cur[0], cur[idx]); pair<ll, ll> vec = get_vector(cake, cur); dude.push_back(vec); activated.push_back(1); if (abs(vec.first) + abs(vec.second) == 0){ zero_cnt++; } else{ mp[vec]++; pair<ll, ll> _vec = make_pair(-vec.first, -vec.second); pair_cnt += mp[_vec]; } for(int i = 0; i + 1 < (int) dude.size(); ++i) if (activated[i]){ pair<ll, ll> vcl = dude[i]; if (vec.first * vcl.first < 0){ ll sum = vec.second * abs(vcl.first) + vcl.second * abs(vec.first); if (sum > 0) vector_cnt[0]++; else vector_cnt[1]++; } if (vec.second * vcl.second < 0){ ll sum = vec.first * abs(vcl.second) + vcl.first * abs(vec.second); if (sum > 0) vector_cnt[2]++; else vector_cnt[3]++; } } } else{ int j; cin >> j; j--; activated[j] = 0; pair<ll, ll> vec = dude[j]; if (abs(vec.first) + abs(vec.second) == 0){ zero_cnt--; } else{ mp[vec]--; pair<ll, ll> _vec = make_pair(-vec.first, -vec.second); pair_cnt -= mp[_vec]; } for(int i = 0; i < (int) dude.size(); ++i) if (activated[i]){ pair<ll, ll> vcl = dude[i]; if (vec.first * vcl.first < 0){ ll sum = vec.second * abs(vcl.first) + vcl.second * abs(vec.first); if (sum > 0) vector_cnt[0]--; else vector_cnt[1]--; } if (vec.second * vcl.second < 0){ ll sum = vec.first * abs(vcl.second) + vcl.first * abs(vec.second); if (sum > 0) vector_cnt[2]--; else vector_cnt[3]--; } } } if (zero_cnt) cout << 1 << "\n"; else if (pair_cnt) cout << 2 << "\n"; else if ((vector_cnt[0] && vector_cnt[1]) || (vector_cnt[2] && vector_cnt[3])) cout << 3 << "\n"; else cout << 0 << "\n"; } } int main(void){ ios::sync_with_stdio(0);cin.tie(0); cout.tie(0); clock_t start = clock(); solve(); cerr << "Time elapsed: " << clock() - start << "ms!\n"; return 0; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...