結果
問題 | No.703 ゴミ拾い Easy |
ユーザー | Haar |
提出日時 | 2019-03-20 17:56:33 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 108 ms / 1,500 ms |
コード長 | 4,047 bytes |
コンパイル時間 | 2,037 ms |
コンパイル使用メモリ | 189,668 KB |
実行使用メモリ | 15,104 KB |
最終ジャッジ日時 | 2024-06-10 18:38:21 |
合計ジャッジ時間 | 6,164 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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
6,940 KB |
testcase_02 | AC | 2 ms
6,948 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 103 ms
14,888 KB |
testcase_25 | AC | 105 ms
14,972 KB |
testcase_26 | AC | 104 ms
14,832 KB |
testcase_27 | AC | 103 ms
15,104 KB |
testcase_28 | AC | 105 ms
14,976 KB |
testcase_29 | AC | 105 ms
14,976 KB |
testcase_30 | AC | 108 ms
14,808 KB |
testcase_31 | AC | 106 ms
14,964 KB |
testcase_32 | AC | 104 ms
14,988 KB |
testcase_33 | AC | 106 ms
14,988 KB |
testcase_34 | AC | 80 ms
14,848 KB |
testcase_35 | AC | 77 ms
14,900 KB |
testcase_36 | AC | 77 ms
15,072 KB |
testcase_37 | AC | 83 ms
14,824 KB |
testcase_38 | AC | 80 ms
14,996 KB |
testcase_39 | AC | 77 ms
14,804 KB |
testcase_40 | AC | 84 ms
14,908 KB |
testcase_41 | AC | 81 ms
14,968 KB |
testcase_42 | AC | 83 ms
14,976 KB |
testcase_43 | AC | 82 ms
14,976 KB |
testcase_44 | AC | 2 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 86 ms
14,820 KB |
testcase_47 | AC | 88 ms
14,900 KB |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | AC | 2 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> #define FOR(v, a, b) for(int v = (a); v < (b); ++v) #define FORE(v, a, b) for(int v = (a); v <= (b); ++v) #define REP(v, n) FOR(v, 0, n) #define REPE(v, n) FORE(v, 0, n) #define REV(v, a, b) for(int v = (a); v >= (b); --v) #define ALL(x) (x).begin(), (x).end() #define ITR(it, c) for(auto it = (c).begin(); it != (c).end(); ++it) #define RITR(it, c) for(auto it = (c).rbegin(); it != (c).rend(); ++it) #define EXIST(c,x) ((c).find(x) != (c).end()) #define LLI long long int #define fst first #define snd second #ifndef M_PI #define M_PI 3.14159265358979323846 #endif #ifndef M_E #define M_E 2.71828182845904523536 #endif #ifdef DEBUG #include <misc/C++/Debug.cpp> #else #define dump(x) #endif #define gcd __gcd using namespace std; template <class T> constexpr T lcm(T m, T n){return m/gcd(m,n)*n;} template <typename I> void join(ostream &ost, I s, I t, string d=" "){for(auto i=s; i!=t; ++i){if(i!=s)ost<<d; ost<<*i;}ost<<endl;} template <typename T> istream& operator>>(istream &is, vector<T> &v){for(auto &a : v) is >> a; return is;} template <typename T, typename U> istream& operator>>(istream &is, pair<T,U> &p){is >> p.first >> p.second; return is;} template <typename T, typename U> T& chmin(T &a, const U &b){return a = (a<=b?a:b);} template <typename T, typename U> T& chmax(T &a, const U &b){return a = (a>=b?a:b);} template <typename T, size_t N, typename U> void fill_array(T (&a)[N], const U &v){fill((U*)a, (U*)(a+N), v);} template <typename T> class LiChaoSegmentTree{ using line = pair<T,T>; struct node{ line l; node *left, *right; node(const line &l): l(l), left(nullptr), right(nullptr){} }; vector<T> xs; int n; node *root; T e; function<bool(T,T)> cmp; function<T(T,T)> chm; public: LiChaoSegmentTree(const vector<T> &xs, const bool min_mode, const T &e): xs(xs), n(xs.size()), root(nullptr), e(e){ if(min_mode){ cmp = [](const T &a, const T &b){return a < b;}; chm = [](const T &a, const T &b){return min(a,b);}; }else{ cmp = [](const T &a, const T &b){return a > b;}; chm = [](const T &a, const T &b){return max(a,b);}; } } T apply(const line &l, const T &x) const{ return l.fst*x + l.snd; } protected: node* add(node *t, const int left, const int right, line l){ // [l,r] if(!t) return new node(l); if(cmp(apply(t->l, xs[left]), apply(l, xs[left])) and cmp(apply(t->l, xs[right]), apply(l, xs[right]))){ return t; } if(!cmp(apply(t->l, xs[left]), apply(l, xs[left])) and !cmp(apply(t->l, xs[right]), apply(l, xs[right]))){ t->l = l; return t; } int mid = (left + right) / 2; if(!cmp(apply(t->l, xs[mid]), apply(l, xs[mid]))) swap(t->l, l); if(!cmp(apply(t->l, xs[left]), apply(l, xs[left]))){ t->left = add(t->left, left, mid, l); }else{ t->right = add(t->right, mid+1, right, l); } return t; } public: void add_line(T a, T b){ root = add(root, 0, n-1, make_pair(a,b)); } protected: T query(node *t, const int left, const int right, const int i) const{ if(!t) return e; if(right == left) return apply(t->l, xs[i]); int mid = (left + right) / 2; if(i <= mid) return chm(apply(t->l, xs[i]), query(t->left, left, mid, i)); else return chm(apply(t->l, xs[i]), query(t->right, mid+1, right, i)); } public: T query(const T &x) const{ return query(root, 0, n-1, lower_bound(ALL(xs), x) - xs.begin()); } }; int main(){ cin.tie(0); ios::sync_with_stdio(false); int n; while(cin >> n){ vector<LLI> a(n), x(n), y(n); cin >> a >> x >> y; LiChaoSegmentTree<LLI> cht(a,true,LLONG_MAX); vector<LLI> dp(n); dp[0] = y[0]*y[0] + (x[0]-a[0])*(x[0]-a[0]); cht.add_line(-2*x[1], dp[0]+y[1]*y[1]+x[1]*x[1]); FOR(i,1,n){ dp[i] = y[0]*y[0] + (a[i]-x[0])*(a[i]-x[0]); chmin(dp[i], cht.query(a[i]) + a[i]*a[i]); if(i<n-1) cht.add_line(-2*x[i+1], dp[i]+y[i+1]*y[i+1]+x[i+1]*x[i+1]); } cout << dp[n-1] << endl; } return 0; }