結果
問題 | No.180 美しいWhitespace (2) |
ユーザー | heno239 |
提出日時 | 2020-08-09 18:04:21 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 89 ms / 5,000 ms |
コード長 | 4,420 bytes |
コンパイル時間 | 1,324 ms |
コンパイル使用メモリ | 129,096 KB |
実行使用メモリ | 13,724 KB |
最終ジャッジ日時 | 2024-10-05 05:38:40 |
合計ジャッジ時間 | 3,275 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
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 | 3 ms
5,376 KB |
testcase_01 | AC | 3 ms
5,504 KB |
testcase_02 | AC | 3 ms
5,376 KB |
testcase_03 | AC | 3 ms
5,248 KB |
testcase_04 | AC | 3 ms
5,760 KB |
testcase_05 | AC | 5 ms
5,752 KB |
testcase_06 | AC | 10 ms
6,404 KB |
testcase_07 | AC | 15 ms
7,296 KB |
testcase_08 | AC | 24 ms
7,424 KB |
testcase_09 | AC | 25 ms
9,624 KB |
testcase_10 | AC | 23 ms
9,504 KB |
testcase_11 | AC | 80 ms
13,596 KB |
testcase_12 | AC | 89 ms
13,600 KB |
testcase_13 | AC | 82 ms
13,724 KB |
testcase_14 | AC | 83 ms
13,724 KB |
testcase_15 | AC | 72 ms
13,472 KB |
testcase_16 | AC | 57 ms
13,596 KB |
testcase_17 | AC | 50 ms
13,724 KB |
testcase_18 | AC | 41 ms
13,596 KB |
testcase_19 | AC | 29 ms
9,500 KB |
testcase_20 | AC | 3 ms
5,504 KB |
testcase_21 | AC | 3 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 3 ms
5,504 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 3 ms
5,504 KB |
testcase_28 | AC | 3 ms
5,376 KB |
testcase_29 | AC | 3 ms
5,376 KB |
testcase_30 | AC | 29 ms
13,472 KB |
testcase_31 | AC | 29 ms
13,724 KB |
testcase_32 | AC | 4 ms
5,376 KB |
testcase_33 | AC | 17 ms
9,628 KB |
testcase_34 | AC | 17 ms
9,628 KB |
ソースコード
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<cassert> #include<complex> #include<numeric> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; constexpr ll mod = 1000000007; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acos(-1.0); ll mod_pow(ll x, ll n, ll m) { ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, ll n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } const int max_n = 1 << 17; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } ll gcd(ll a, ll b) { if (a < b)swap(a, b); while (b) { ll r = a % b; a = b; b = r; } return a; } struct CHT { vector<LP> v; vector<LP> memo; int l; bool check(LP a, LP b, LP c) { return (b.first - a.first) * (c.second - b.second) >= (b.second - a.second) * (c.first - b.first); } //一気に作る void build(vector<LP> a) { l = 0; //sort(a.begin(),a.end()); per(i, (int)a.size()) { while (v.size() >= 2 && check(v[v.size() - 2], v[v.size() - 1], a[i]))v.pop_back(); v.push_back(a[i]); } } //傾きが小さい順に追加して作る void build() { per(i, (int)memo.size()) { while (v.size() >= 2 && check(v[v.size() - 2], v[v.size() - 1], memo[i]))v.pop_back(); v.push_back(memo[i]); } memo.clear(); } void add(LP a) { memo.push_back(a); } //xは単調増加 ll f(LP a, ll x) { return a.first * x + a.second; } ll query(ll x) { while (l + 1 < v.size() && f(v[l], x) > f(v[l + 1], x))l++; return f(v[l], x); } }; void solve() { int n; cin >> n; vector<ll> a(n), b(n); rep(i, n)cin >> a[i] >> b[i]; vector<LP> up,dw; rep(i, n) { up.push_back({ -b[i],-a[i] }); dw.push_back({ b[i],a[i] }); } sort(all(up)); sort(all(dw)); vector<ll> xs; xs.push_back(1); rep(i, n)rep(j, n)if (b[i] < b[j]) { if (a[i] < a[j])continue; ll d = (a[i] - a[j]) / (b[j] - b[i]); if (d > 0)xs.push_back(d); xs.push_back(d + 1); } sort(all(xs)); xs.erase(unique(all(xs)), xs.end()); int chk = 1; ll mi = INF; CHT ctup, ctdw; ctup.build(up); ctdw.build(dw); rep(i, xs.size()) { ll valma = -ctup.query(xs[i]); ll valmi = ctdw.query(xs[i]); ll dif = valma - valmi; if (dif < mi) { chk = xs[i]; mi = dif; } } cout << chk << "\n"; } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(10); //init_f(); //expr(); //int t; cin >> t; rep(i, t) solve(); return 0; }