Submission #1303692

#TimeUsernameProblemLanguageResultExecution timeMemory
1303692Nonoze라멘 (JOI14_ramen)C++20
50 / 100
2 ms344 KiB
#include "ramen.h" /* * Author: Nonoze * Created: Friday 19/12/2025 */ #include <bits/stdc++.h> using namespace std; #ifndef DEBUG #define dbg(...) #endif // #define cout cerr << "OUT: " #define endl '\n' #define endlfl '\n' << flush #define quit(x) return (void)(cout << x << endl) template<typename T> void read(T& x) { cin >> x; } template<typename T1, typename T2> void read(pair<T1, T2>& p) { read(p.first), read(p.second); } template<typename T> void read(vector<T>& v) { for (auto& x : v) read(x); } template<typename T1, typename T2> void read(T1& x, T2& y) { read(x), read(y); } template<typename T1, typename T2, typename T3> void read(T1& x, T2& y, T3& z) { read(x), read(y), read(z); } template<typename T1, typename T2, typename T3, typename T4> void read(T1& x, T2& y, T3& z, T4& zz) { read(x), read(y), read(z), read(zz); } template<typename T> void print(vector<T>& v) { for (auto& x : v) cout << x << ' '; cout << endl; } #define sz(x) (int)(x.size()) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define make_unique(v) sort(all(v)), v.erase(unique(all(v)), (v).end()) #define pb push_back #define mp(a, b) make_pair(a, b) #define fi first #define se second #define cmin(a, b) a = min(a, b) #define cmax(a, b) a = max(a, b) #define YES cout << "YES" << endl #define NO cout << "NO" << endl #define QYES quit("YES") #define QNO quit("NO") #define double long double const int inf = numeric_limits<int>::max() / 4; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const int MOD = 1e9+7, LOG=20; pair<int, int> calc(int l, int r) { if (l==r) return {l, r}; if (l+1==r) return (Compare(l, r) == -1 ? mp(l, r) : mp(r, l)); if (r-l+1==3) { int cnt1=0, cnt2=0, cnt3=0; int a = Compare(l, l+1); cnt1+=(a==1); cnt2+=(a==-1); int b = Compare(l+1, r); cnt2+=(b==1); cnt3+=(b==-1); int c = Compare(l, r); cnt1+=(c==1); cnt3+=(c==-1); pair<int, int> res; if (cnt1==0) res.first = l; else if (cnt2==0) res.first = l+1; else res.first = r; if (cnt1==2) res.second = l; else if (cnt2==2) res.second = l+1; else res.second = r; return res; } int mid = (l + r) / 2; pair<int, int> left = calc(l, mid); pair<int, int> right = calc(mid+1, r); pair<int, int> res; res.first = (Compare(left.first, right.first) == -1 ? left.first : right.first); res.second = (Compare(left.second, right.second) == 1 ? left.second : right.second); // cout << l << ' ' << r << " -> " << res.first << ' ' << res.second << endl; return res; } void Ramen(int N) { pair<int, int> ans = calc(0, N-1); // cout << ans.first << ' ' << ans.second << endl; Answer(ans.first, ans.second); }
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