結果
問題 | No.728 ギブ and テイク |
ユーザー | kopricky |
提出日時 | 2020-03-11 07:53:04 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 419 ms / 3,000 ms |
コード長 | 8,670 bytes |
コンパイル時間 | 3,002 ms |
コンパイル使用メモリ | 194,460 KB |
実行使用メモリ | 16,588 KB |
最終ジャッジ日時 | 2024-11-16 00:03:33 |
合計ジャッジ時間 | 8,932 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 3 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 3 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 3 ms
5,248 KB |
testcase_13 | AC | 21 ms
5,248 KB |
testcase_14 | AC | 34 ms
5,248 KB |
testcase_15 | AC | 15 ms
5,248 KB |
testcase_16 | AC | 30 ms
5,248 KB |
testcase_17 | AC | 28 ms
5,248 KB |
testcase_18 | AC | 284 ms
12,456 KB |
testcase_19 | AC | 301 ms
13,112 KB |
testcase_20 | AC | 363 ms
14,908 KB |
testcase_21 | AC | 320 ms
13,596 KB |
testcase_22 | AC | 120 ms
7,424 KB |
testcase_23 | AC | 75 ms
5,888 KB |
testcase_24 | AC | 233 ms
11,052 KB |
testcase_25 | AC | 231 ms
10,888 KB |
testcase_26 | AC | 116 ms
7,168 KB |
testcase_27 | AC | 419 ms
16,408 KB |
testcase_28 | AC | 290 ms
16,588 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 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(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<ll> vl; typedef vector<vi> vvi; typedef vector<vl> vvl; typedef vector<P> vp; typedef vector<double> vd; typedef vector<string> vs; const int MAX_N = 100005; struct BitRank { // block: bit 列を管理, count: block ごとに立っている 1 の数を管理 vector<unsigned long long> block; vector<unsigned int> count; BitRank(){} void resize(const unsigned int num){ block.resize(((num + 1) >> 6) + 1, 0); count.resize(block.size(), 0); } // i ビット目を val(0,1) にセット void set(const unsigned int i, const unsigned long long val){ block[i >> 6] |= (val << (i & 63)); } void build(){ for(unsigned int i = 1; i < block.size(); i++){ count[i] = count[i - 1] + __builtin_popcountll(block[i - 1]); } } // [0, i) ビットの 1 の数 unsigned int rank1(const unsigned int i) const { return count[i >> 6] + __builtin_popcountll(block[i >> 6] & ((1ULL << (i & 63)) - 1ULL)); } // [i, j) ビットの 1 の数 unsigned int rank1(const unsigned int i, const unsigned int j) const { return rank1(j) - rank1(i); } // [0, i) ビットの 0 の数 unsigned int rank0(const unsigned int i) const { return i - rank1(i); } // [i, j) ビットの 0 の数 unsigned int rank0(const unsigned int i, const unsigned int j) const { return rank0(j) - rank0(i); } }; class WaveletMatrix { private: unsigned int height; vector<BitRank> B; vector<int> pos; public: WaveletMatrix(){} WaveletMatrix(vector<int> vec) : WaveletMatrix(vec, *max_element(vec.begin(), vec.end()) + 1){} // sigma:文字の種類数 WaveletMatrix(vector<int> vec, const unsigned int sigma){ init(vec, sigma); } void init(vector<int>& vec, const unsigned int sigma){ height = (sigma == 1) ? 1 : (64 - __builtin_clzll(sigma - 1)); B.resize(height), pos.resize(height); for(unsigned int i = 0; i < height; ++i){ B[i].resize(vec.size()); for(unsigned int j = 0; j < vec.size(); ++j) { B[i].set(j, get(vec[j], height - i - 1)); } B[i].build(); auto it = stable_partition(vec.begin(), vec.end(), [&](int c){ return !get(c, height - i - 1); }); pos[i] = it - vec.begin(); } } // val の i ビット目の値を返す(0,1) int get(const int val, const int i){ return val >> i & 1; } // [l, r) の間に現れる値 val の数 int rank(const int val, const int l, const int r){ return rank(val, r) - rank(val, l); } // [0, i) の間に現れる値 val の数 int rank(int val, int i){ int p = 0; for(unsigned int j = 0; j < height; ++j){ if(get(val, height - j - 1)){ p = pos[j] + B[j].rank1(p); i = pos[j] + B[j].rank1(i); }else{ p = B[j].rank0(p); i = B[j].rank0(i); } } return i - p; } // [l, r) の k(0,1,2...) 番目に小さい値を返す int quantile(int k, int l, int r){ int res = 0; for(unsigned int i = 0; i < height; ++i){ const int j = B[i].rank0(l, r); if(j > k){ l = B[i].rank0(l); r = B[i].rank0(r); }else{ l = pos[i] + B[i].rank1(l); r = pos[i] + B[i].rank1(r); k -= j; res |= (1 << (height - i - 1)); } } return res; } int rangefreq(const int i, const int j, const int a, const int b, const int l, const int r, const int x){ if(i == j || r <= a || b <= l) return 0; const int mid = (l + r) >> 1; if(a <= l && r <= b){ return j - i; }else{ const int left = rangefreq(B[x].rank0(i), B[x].rank0(j), a, b, l, mid, x + 1); const int right = rangefreq(pos[x] + B[x].rank1(i), pos[x] + B[x].rank1(j), a, b, mid, r, x + 1); return left + right; } } // [l,r) で値が [a,b) 内に含まれる数を返す int rangefreq(const int l, const int r, const int a, const int b){ return rangefreq(l, r, a, b, 0, 1 << height, 0); } int rangemin(const int i, const int j, const int a, const int b, const int l, const int r, const int x, const int val){ if(i == j || r <= a || b <= l) return -1; if(r - l == 1) return val; const int mid = (l + r) >> 1; const int res = rangemin(B[x].rank0(i),B[x].rank0(j),a,b,l,mid,x+1,val); if(res < 0) return rangemin(pos[x] + B[x].rank1(i), pos[x] + B[x].rank1(j), a, b, mid, r, x + 1, val + (1 << (height - x - 1))); else return res; } // [l,r) で値が [a,b) 内に最小の数を返す(数が存在しない場合は -1 を返す) int rangemin(int l, int r, int a, int b){ return rangemin(l, r, a, b, 0, 1 << height, 0, 0); } }; template<typename T> class OrthogonalRangeCount { private: using ptt = pair<T, T>; const int sz; vector<T> X, Y; WaveletMatrix wm; public: OrthogonalRangeCount(vector<ptt> candidate) : sz((int)candidate.size()), X(sz), Y(sz){ sort(candidate.begin(), candidate.end()); vector<int> vec(sz); for(int i = 0; i < sz; ++i){ X[i] = candidate[i].first, Y[i] = candidate[i].second; } sort(Y.begin(), Y.end()); Y.erase(unique(Y.begin(), Y.end()), Y.end()); for(int i = 0; i < sz; ++i){ vec[i] = lower_bound(Y.begin(), Y.end(), candidate[i].second) - Y.begin(); } wm.init(vec, Y.size()); } //[lx,rx)×[ly,ry)の長方形領域に含まれる点の数を答える int query(const T lx, const T ly, const T rx, const T ry){ const int lxid = lower_bound(X.begin(), X.end(), lx) - X.begin(); const int rxid = lower_bound(X.begin(), X.end(), rx) - X.begin(); const int lyid = lower_bound(Y.begin(), Y.end(), ly) - Y.begin(); const int ryid = lower_bound(Y.begin(), Y.end(), ry) - Y.begin(); if(lxid >= rxid || lyid >= ryid) return 0; return wm.rangefreq(lxid, rxid, lyid, ryid); } }; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vi a(n), l(n), r(n); vp vec(n); rep(i,n){ cin >> a[i]; } rep(i,n){ cin >> l[i] >> r[i]; vec[i] = P(a[i], a[i]-l[i]); } OrthogonalRangeCount<int> orc(vec); ll ans = 0; rep(i,n){ ans += orc.query(a[i]+1, INT_MIN, a[i]+r[i]+1, a[i]+1); } cout << ans << "\n"; return 0; }