結果
問題 | No.1297 銅像 |
ユーザー | kopricky |
提出日時 | 2020-12-03 00:04:08 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 59 ms / 2,000 ms |
コード長 | 5,099 bytes |
コンパイル時間 | 1,788 ms |
コンパイル使用メモリ | 169,412 KB |
実行使用メモリ | 14,592 KB |
最終ジャッジ日時 | 2024-09-13 10:55:10 |
合計ジャッジ時間 | 4,623 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 | 2 ms
6,812 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 4 ms
6,944 KB |
testcase_07 | AC | 4 ms
6,940 KB |
testcase_08 | AC | 4 ms
6,940 KB |
testcase_09 | AC | 51 ms
14,080 KB |
testcase_10 | AC | 59 ms
14,464 KB |
testcase_11 | AC | 39 ms
8,704 KB |
testcase_12 | AC | 40 ms
8,960 KB |
testcase_13 | AC | 46 ms
13,696 KB |
testcase_14 | AC | 32 ms
7,552 KB |
testcase_15 | AC | 32 ms
7,424 KB |
testcase_16 | AC | 31 ms
7,552 KB |
testcase_17 | AC | 36 ms
8,832 KB |
testcase_18 | AC | 39 ms
9,344 KB |
testcase_19 | AC | 47 ms
14,592 KB |
testcase_20 | AC | 38 ms
7,552 KB |
testcase_21 | AC | 44 ms
8,960 KB |
testcase_22 | AC | 49 ms
8,832 KB |
ソースコード
#include <bits/stdc++.h> #define ll long long #define INF 1000000005 #define MOD 1000000007 #define EPS 1e-10 #define rep(i,n) for(int i=0;i<(int)(n);++i) #define rrep(i,n) for(int i=(int)(n)-1;i>=0;--i) #define srep(i,s,t) for(int i=(int)(s);i<(int)(t);++i) #define each(a,b) for(const auto& (a): (b)) #define all(v) (v).begin(),(v).end() #define len(v) (int)(v).size() #define zip(v) sort(all(v)),v.erase(unique(all(v)),v.end()) #define cmx(x,y) x=max(x,y) #define cmn(x,y) x=min(x,y) #define fi first #define se second #define pb push_back #define show(x) cout<<#x<<" = "<<(x)<<endl #define sar(a,n) {cout<<#a<<":";rep(pachico,n)cout<<" "<<a[pachico];cout<<endl;} using namespace std; template<typename S,typename T>auto&operator<<(ostream&o,pair<S,T>p){return o<<"{"<<p.fi<<","<<p.se<<"}";} template<typename T>auto&operator<<(ostream&o,set<T>s){for(auto&e:s)o<<e<<" ";return o;} template<typename S,typename T,typename U> auto&operator<<(ostream&o,priority_queue<S,T,U>q){while(!q.empty())o<<q.top()<<" ",q.pop();return o;} template<typename K,typename T>auto&operator<<(ostream&o,map<K,T>&m){for(auto&e:m)o<<e<<" ";return o;} template<typename T>auto&operator<<(ostream&o,vector<T>v){for(auto&e:v)o<<e<<" ";return o;} void ashow(){cout<<endl;}template<typename T,typename...A>void ashow(T t,A...a){cout<<t<<" ";ashow(a...);} template<typename S,typename T,typename U> struct TRI{S fi;T se;U th;TRI(){}TRI(S f,T s,U t):fi(f),se(s),th(t){} bool operator<(const TRI&_)const{return(fi==_.fi)?((se==_.se)?(th<_.th):(se<_.se)):(fi<_.fi);}}; template<typename S,typename T,typename U> auto&operator<<(ostream&o,TRI<S,T,U>&t){return o<<"{"<<t.fi<<","<<t.se<<","<<t.th<<"}";} typedef pair<int, int> P; typedef pair<ll,ll> pll; typedef TRI<int, int, int> tri; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<double> vd; typedef vector<P> vp; typedef vector<string> vs; const int MAX_N = 100005; #define getchar getchar_unlocked #define putchar putchar_unlocked inline int in() { int n = 0; short c; while ((c = getchar()) >= '0') n = n * 10 + c - '0'; return n; } inline ll inll() { ll n = 0; short c; while ((c = getchar()) >= '0') n = n * 10 + c - '0'; return n; } inline void out(ll n) { short res[20], i = 0; do { res[i++] = n % 10, n /= 10; } while (n); while (i) putchar(res[--i] + '0'); putchar('\n'); } template<typename T> class CHT { private: struct node { node *left, *right; static const T inf = numeric_limits<T>::max(); T a, b; node() : node(0, inf){} node(const T _a, const T _b) : left(nullptr), right(nullptr), a(_a), b(_b){} T f(const T x) const { return a * x + b; } }; static void swap(node *x, node *y){ std::swap(x->a, y->a), std::swap(x->b, y->b); } void _add_line(node *cur, node *nw, T l, T r){ while(true){ if(nw->f(l) < cur->f(l)) swap(cur, nw); if(cur->f(r - 1) <= nw->f(r - 1)) break; const T mid = (l + r) / 2; if(cur->f(mid) <= nw->f(mid)){ if(!cur->right){ cur->right = new node(*nw); break; }else{ cur = cur->right, l = mid; } }else{ swap(cur, nw); if(!cur->left){ cur->left = new node(*nw); break; }else{ cur = cur->left, r = mid; } } } } T query(node *cur, const T k, T l, T r) const { T ans = numeric_limits<T>::max(); while(cur){ ans = min(ans, cur->f(k)); const T mid = (l + r) / 2; if(k < mid){ cur = cur->left, r = mid; }else{ cur = cur->right, l = mid; } } return ans; } void clear(node *cur){ if(cur->left) clear(cur->left); if(cur->right) clear(cur->right); delete cur; } const T lpos, rpos; node *root; public: CHT(const T _lpos, const T _rpos) : lpos(_lpos), rpos(_rpos), root(new node()){ assert(lpos < rpos); } // ~CHT(){ clear(root); } // f(x) = a * x + b を挿入 void add_line(const T a, const T b){ node nw(a, b); return _add_line(root, &nw, lpos, rpos); } // x = k での最小値 T query(const T k) const { return query(root, k, lpos, rpos); } }; const ll MX = 1200000000000LL; ll a[MAX_N], b[MAX_N]; int main(){ int n = in(), C = in(); CHT<ll> x(0, MX), y(0, n+1); rep(i,n) a[i+1] = inll(), b[i+1] = inll(); ll p = 0, q = 0; x.add_line(0, 0); srep(i,1,n+1){ p = x.query(a[i] + (ll)i * C) + b[i] + i * a[i] + ((ll)i * i - i) * C / 2; y.add_line(a[i] - (ll)i * C, p - (ll)i * a[i] + ((ll)i * i - i) * C / 2); q = y.query(i) + ((ll)i * i + i) * C / 2; x.add_line(-i, q + ((ll)i * i + i) * C / 2); } out(q); return 0; }