結果
問題 | No.2667 Constrained Permutation |
ユーザー | dyktr_06 |
提出日時 | 2024-03-08 23:15:48 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,467 bytes |
コンパイル時間 | 2,290 ms |
コンパイル使用メモリ | 217,940 KB |
実行使用メモリ | 21,784 KB |
最終ジャッジ日時 | 2024-09-29 20:39:53 |
合計ジャッジ時間 | 6,424 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,820 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 57 ms
10,240 KB |
testcase_29 | AC | 54 ms
9,856 KB |
testcase_30 | AC | 62 ms
10,752 KB |
testcase_31 | AC | 37 ms
7,808 KB |
testcase_32 | AC | 9 ms
6,816 KB |
testcase_33 | AC | 104 ms
20,832 KB |
testcase_34 | AC | 54 ms
12,928 KB |
testcase_35 | AC | 62 ms
14,280 KB |
testcase_36 | AC | 61 ms
13,824 KB |
testcase_37 | AC | 66 ms
15,104 KB |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | AC | 51 ms
12,544 KB |
testcase_41 | AC | 83 ms
18,020 KB |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | AC | 38 ms
8,744 KB |
testcase_45 | AC | 2 ms
6,816 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define overload4(_1, _2, _3, _4, name, ...) name #define rep1(n) for(int i = 0; i < (int)(n); ++i) #define rep2(i, n) for(int i = 0; i < (int)(n); ++i) #define rep3(i, a, b) for(int i = (a); i < (int)(b); ++i) #define rep4(i, a, b, c) for(int i = (a); i < (int)(b); i += (c)) #define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; --i) #define ALL(a) (a).begin(), (a).end() #define Sort(a) (sort((a).begin(), (a).end())) #define RSort(a) (sort((a).rbegin(), (a).rend())) #define UNIQUE(a) (a.erase(unique((a).begin(), (a).end()), (a).end())) typedef long long int ll; typedef unsigned long long ul; typedef long double ld; typedef vector<int> vi; typedef vector<long long> vll; typedef vector<char> vc; typedef vector<string> vst; typedef vector<double> vd; typedef vector<long double> vld; typedef pair<long long, long long> P; template<class T> long long sum(const T& a){ return accumulate(a.begin(), a.end(), 0LL); } template<class T> auto min(const T& a){ return *min_element(a.begin(), a.end()); } template<class T> auto max(const T& a){ return *max_element(a.begin(), a.end()); } const long long MINF = 0x7fffffffffff; const long long INF = 0x1fffffffffffffff; const long long MOD = 998244353; const long double EPS = 1e-9; const long double PI = acos(-1); template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } template<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p){ is >> p.first >> p.second; return is; } template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){ os << "(" << p.first << ", " << p.second << ")"; return os; } template<typename T> istream &operator>>(istream &is, vector<T> &v){ for(T &in : v) is >> in; return is; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &v){ for(int i = 0; i < (int) v.size(); ++i){ os << v[i] << (i + 1 != (int) v.size() ? " " : ""); } return os; } template <typename T, typename S> ostream &operator<<(ostream &os, const map<T, S> &mp){ for(auto &[key, val] : mp){ os << key << ":" << val << " "; } return os; } template <typename T> ostream &operator<<(ostream &os, const set<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; } template <typename T> ostream &operator<<(ostream &os, const multiset<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; } template <typename T> ostream &operator<<(ostream &os, queue<T> q){ while(q.size()){ os << q.front() << " "; q.pop(); } return os; } template <typename T> ostream &operator<<(ostream &os, deque<T> q){ while(q.size()){ os << q.front() << " "; q.pop_front(); } return os; } template <typename T> ostream &operator<<(ostream &os, stack<T> st){ while(st.size()){ os << st.top() << " "; st.pop(); } return os; } template <class T, class Container, class Compare> ostream &operator<<(ostream &os, priority_queue<T, Container, Compare> pq){ while(pq.size()){ os << pq.top() << " "; pq.pop(); } return os; } template<class T, class U> inline T vin(T& vec, U n) { vec.resize(n); for(int i = 0; i < (int) n; ++i) cin >> vec[i]; return vec; } template<class T> inline void vout(T vec, string s = "\n"){ for(auto x : vec) cout << x << s; } template<class... T> void in(T&... a){ (cin >> ... >> a); } void out(){ cout << '\n'; } template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } template<class T, class U> void inGraph(vector<vector<T>>& G, U n, U m, bool directed = false){ G.resize(n); for(int i = 0; i < m; ++i){ int a, b; cin >> a >> b; a--, b--; G[a].push_back(b); if(!directed) G[b].push_back(a); } } ll n; vll l, r; void input(){ in(n); l.resize(n); r.resize(n); rep(i, n) in(l[i], r[i]); } void solve(){ auto check = [&](ll x){ priority_queue<ll, vll, greater<>> q; vector<vll> mp(n + 1); rep(i, n){ if(l[i] <= x && x <= r[i]){ q.push(r[i]); } if(x < l[i] && l[i] <= x + n){ mp[l[i] - x].push_back(r[i]); } } rep(i, x, x + n){ if(q.empty()){ return false; } if(q.top() < i){ return false; } q.pop(); for(auto x : mp[i - x + 1]){ q.push(x); } } return true; }; vector<P> p1(n), p2(n); rep(i, n){ p1[i] = {r[i], l[i]}; p2[i] = {l[i], r[i]}; } Sort(p1); Sort(p2); ll mn = min(l), mx = max(r) - (n - 1); rep(i, n){ auto [pr, pl] = p1[i]; chmax(mn, pl - (n - 1)); chmin(mx, pr + (n - i - 1)); } rep(i, n){ auto [pl, pr] = p2[i]; chmax(mn, pl - i); chmin(mx, pr + (n - i - 1)); } if(mn > mx){ out(0); return; } if(check(mn)){ out(mx - mn + 1); }else{ out(0); } } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(20); input(); solve(); }