結果
問題 | No.704 ゴミ拾い Medium |
ユーザー | NyaanNyaan |
提出日時 | 2019-10-24 20:41:13 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 458 ms / 1,500 ms |
コード長 | 5,999 bytes |
コンパイル時間 | 1,755 ms |
コンパイル使用メモリ | 179,040 KB |
実行使用メモリ | 24,852 KB |
最終ジャッジ日時 | 2024-07-18 05:01:12 |
合計ジャッジ時間 | 12,661 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 5 ms
5,376 KB |
testcase_15 | AC | 5 ms
5,376 KB |
testcase_16 | AC | 6 ms
5,376 KB |
testcase_17 | AC | 6 ms
5,376 KB |
testcase_18 | AC | 6 ms
5,376 KB |
testcase_19 | AC | 6 ms
5,376 KB |
testcase_20 | AC | 6 ms
5,376 KB |
testcase_21 | AC | 6 ms
5,376 KB |
testcase_22 | AC | 5 ms
5,376 KB |
testcase_23 | AC | 6 ms
5,376 KB |
testcase_24 | AC | 454 ms
24,804 KB |
testcase_25 | AC | 455 ms
24,808 KB |
testcase_26 | AC | 448 ms
24,852 KB |
testcase_27 | AC | 452 ms
24,808 KB |
testcase_28 | AC | 447 ms
24,808 KB |
testcase_29 | AC | 454 ms
24,808 KB |
testcase_30 | AC | 458 ms
24,804 KB |
testcase_31 | AC | 443 ms
24,808 KB |
testcase_32 | AC | 448 ms
24,804 KB |
testcase_33 | AC | 450 ms
24,808 KB |
testcase_34 | AC | 251 ms
12,636 KB |
testcase_35 | AC | 254 ms
12,676 KB |
testcase_36 | AC | 250 ms
12,576 KB |
testcase_37 | AC | 256 ms
12,672 KB |
testcase_38 | AC | 271 ms
12,616 KB |
testcase_39 | AC | 271 ms
12,672 KB |
testcase_40 | AC | 270 ms
12,672 KB |
testcase_41 | AC | 268 ms
12,672 KB |
testcase_42 | AC | 264 ms
12,672 KB |
testcase_43 | AC | 256 ms
12,656 KB |
testcase_44 | AC | 2 ms
5,376 KB |
testcase_45 | AC | 2 ms
5,376 KB |
testcase_46 | AC | 373 ms
12,548 KB |
testcase_47 | AC | 364 ms
12,592 KB |
ソースコード
#include <bits/stdc++.h> #define whlie while #define pb push_back #define eb emplace_back #define fi first #define se second #define rep(i,N) for(int i = 0; i < (N); i++) #define repr(i,N) for(int i = (N) - 1; i >= 0; i--) #define rep1(i,N) for(int i = 1; i <= (N) ; i++) #define repr1(i,N) for(int i = (N) ; i > 0 ; i--) #define each(x,v) for(auto& x : v) #define all(v) (v).begin(),(v).end() #define sz(v) ((int)(v).size()) #define vrep(v,it) for(auto it = v.begin(); it != v.end(); it++) #define vrepr(v,it) for(auto it = v.rbegin(); it != v.rend(); it++) #define ini(...) int __VA_ARGS__; in(__VA_ARGS__) #define inl(...) ll __VA_ARGS__; in(__VA_ARGS__) #define ins(...) string __VA_ARGS__; in(__VA_ARGS__) using namespace std; void solve(); using ll = long long; using vl = vector<ll>; using vi = vector<int>; using vvi = vector< vector<int> >; constexpr int inf = 1001001001; constexpr ll infLL = (1LL << 61) - 1; struct IoSetupNya {IoSetupNya() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); cerr << fixed << setprecision(7);} } iosetupnya; template<typename T, typename U> inline bool amin(T &x, U y) { return (y < x) ? (x = y, true) : false; } template<typename T, typename U> inline bool amax(T &x, U y) { return (x < y) ? (x = y, true) : false; } template<typename T, typename U> ostream& operator <<(ostream& os, const pair<T, U> &p) { os << p.first << " " << p.second; return os; } template<typename T, typename U> istream& operator >>(istream& is, pair<T, U> &p) { is >> p.first >> p.second; return is; } template<typename T> ostream& operator <<(ostream& os, const vector<T> &v) { int s = (int)v.size(); rep(i,s) os << (i ? " " : "") << v[i]; return os; } template<typename T> istream& operator >>(istream& is, vector<T> &v) { for(auto &x : v) is >> x; return is; } void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);} void out(){cout << "\n";} template <typename T,class... U> void out(const T &t,const U &...u){ cout << t; if(sizeof...(u)) cout << " "; out(u...);} template<typename T>void die(T x){out(x); exit(0);} #ifdef NyaanDebug #include "NyaanDebug.h" #define trc(...) do { cerr << #__VA_ARGS__ << " = "; dbg_out(__VA_ARGS__);} while(0) #define trca(v,N) do { cerr << #v << " = "; array_out(v , N);cout << endl;} while(0) #else #define trc(...) #define trca(...) int main(){solve();} #endif using P = pair<int,int>; using vp = vector<P>; constexpr int MOD = /** 1000000007; //*/ 998244353; //////////////// template<typename T , T INF> struct DynamicLiChaoTree{ struct Line{ T slope , intercept; Line() : slope(0),intercept(INF){} Line(T slope,T intercept) : slope(slope),intercept(intercept){} inline T get(T x) const{ return slope * x + intercept; } inline bool over(const Line& other , const T &x) const{ return get(x) < other.get(x); } }; // remind セグ木は1-indexedの実装 T xmin, xmax, _size; unordered_map<T, Line> seg; // [l , r]におけるLi Chao Tree DynamicLiChaoTree(T xmin, T xmax) : xmin(xmin), xmax(xmax){ _size = 1; while(_size < xmax - xmin + 1) _size <<= 1; } // 内部用の関数 void update(T a,T b,T left,T right,T seg_idx){ Line line(a , b); while(1){ int mid = (left + right) >> 1; bool l_over = line.over(seg[seg_idx], min(xmax , left + xmin) ); bool r_over = line.over(seg[seg_idx], min(xmax , right-1+ xmin) ); if(l_over == r_over){ if(l_over) swap(seg[seg_idx] , line); return; } bool m_over = line.over(seg[seg_idx], min(xmax , mid + xmin) ); if(m_over) swap(seg[seg_idx], line); if(l_over != m_over) seg_idx = (seg_idx << 1) , right = mid; else seg_idx = (seg_idx<<1) | 1 , left = mid; } } // 内部用の関数 void update(T a, T b, T seg_idx){ T left , right; T upper_bit = 63 - __builtin_clzll(seg_idx); left = (_size >> upper_bit) * (seg_idx - (1 << upper_bit) ); right = left + (_size >> upper_bit); update(a , b , left , right , seg_idx); } /* void update(T a,T b,T left,T right){ T lower_bit = (left | right) & (- (left | right) ); T seg_idx = ( _size + left ) / lower_bit; update(a , b , left , right , seg_idx); } */ // y = ax + bなる直線を追加 void update(T a, T b){ update(a , b , 0 , _size , 1); } // 閉区間x in [left , right]に線分y = ax + bを追加するクエリ void update_line_segment(T a,T b,T left,T right){ left -= xmin - _size, right -= xmin - _size - 1; for( ; left < right; left >>= 1 , right >>= 1){ if(left & 1) update(a , b , left++); if(right& 1) update(a , b , --right); } } // xにおける最小値クエリ T query(T x) { T left = 0 , right = _size , seg_idx = 1 , idx = x - xmin , ret = INF; while(1){ T cur = seg[seg_idx].get(x); //if(cur == INF) break; ret = min(ret , cur); if(left + 1 >= right) break; int mid = (left + right) >> 1; if(idx < mid) seg_idx = (seg_idx << 1) , right = mid; else seg_idx = (seg_idx << 1) | 1 , left = mid; } return ret; } void merge(DynamicLiChaoTree<T,INF> &other){ if(seg.size() < other.seg.size()) seg.swap(other.seg); for(auto &x : other.seg){ if(x.second.intercept == INF) continue; update(x.second.slope , x.second.intercept , x.first); } } }; void solve(){ ini(N); vl a(N) , x(N) , y(N); in(a , x , y); vl dp(N , 0); DynamicLiChaoTree<ll , infLL> lichao(0 , 100000); lichao.update_line_segment(1 , y[0] - x[0] , x[0] , 100000); lichao.update_line_segment(-1, y[0] + x[0] , 0 , x[0]); each(x , lichao.seg) trc(x.first, x.second.slope , x.second.intercept); rep(i,N){ if(i){ lichao.update_line_segment(1 , dp[i-1] + y[i] - x[i] , x[i] , 100000); lichao.update_line_segment(-1, dp[i-1] + y[i] + x[i] , 0 , x[i]); } dp[i] = lichao.query(a[i]); } trc(dp); out(dp[N - 1]); }