結果
問題 | No.1036 Make One With GCD 2 |
ユーザー | ningenMe |
提出日時 | 2020-04-26 00:09:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,457 ms / 2,000 ms |
コード長 | 4,643 bytes |
コンパイル時間 | 2,195 ms |
コンパイル使用メモリ | 210,992 KB |
実行使用メモリ | 31,780 KB |
最終ジャッジ日時 | 2024-09-16 14:05:08 |
合計ジャッジ時間 | 19,972 ms |
ジャッジサーバーID (参考情報) |
judge6 / judge2 |
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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 | 1,457 ms
31,716 KB |
testcase_01 | AC | 192 ms
31,724 KB |
testcase_02 | AC | 200 ms
31,780 KB |
testcase_03 | AC | 20 ms
16,916 KB |
testcase_04 | AC | 35 ms
30,388 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 65 ms
17,136 KB |
testcase_08 | AC | 55 ms
16,784 KB |
testcase_09 | AC | 354 ms
31,644 KB |
testcase_10 | AC | 330 ms
31,320 KB |
testcase_11 | AC | 358 ms
31,776 KB |
testcase_12 | AC | 332 ms
31,444 KB |
testcase_13 | AC | 553 ms
31,492 KB |
testcase_14 | AC | 561 ms
31,572 KB |
testcase_15 | AC | 527 ms
31,372 KB |
testcase_16 | AC | 532 ms
31,352 KB |
testcase_17 | AC | 550 ms
31,540 KB |
testcase_18 | AC | 3 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 3 ms
6,940 KB |
testcase_21 | AC | 3 ms
6,944 KB |
testcase_22 | AC | 520 ms
31,240 KB |
testcase_23 | AC | 386 ms
30,464 KB |
testcase_24 | AC | 541 ms
31,488 KB |
testcase_25 | AC | 497 ms
31,068 KB |
testcase_26 | AC | 515 ms
31,092 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 1 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 2 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | AC | 199 ms
31,664 KB |
testcase_39 | AC | 735 ms
31,716 KB |
testcase_40 | AC | 386 ms
30,196 KB |
testcase_41 | AC | 857 ms
31,548 KB |
testcase_42 | AC | 818 ms
31,612 KB |
testcase_43 | AC | 925 ms
31,732 KB |
testcase_44 | AC | 970 ms
31,764 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; #define SPEED cin.tie(0);ios::sync_with_stdio(false); class gcd{ public: static inline long long impl(long long n, long long m) { static constexpr long long K = 5; long long t,s; for(int i = 0; t = n - m, s = n - m * K, i < 80; ++i) { if(t<m){ if(!t) return m; n = m, m = t; } else{ if(!m) return t; n=t; if(t >= m * K) n = s; } } return impl(m, n % m); } static inline long long pre(long long n, long long m) { long long t; for(int i = 0; t = n - m, i < 4; ++i) { (t < m ? n=m,m=t : n=t); if(!m) return n; } return impl(n, m); } static inline long long num(long long n, long long m) { return (n>m ? pre(n,m) : pre(m,n)); } }; template<class Operator> class SegmentTree { using typeNode = typename Operator::type; size_t length; size_t num; typeNode unitNode; vector<typeNode> node; vector<pair<size_t,size_t>> range; public: //unitで初期化 SegmentTree(const size_t num, typeNode unitNode): num(num),unitNode(unitNode) { for (length = 1; length < num; length *= 2); node.resize(2 * length, unitNode); range.resize(2 * length); for (int i = 0; i < length; ++i) range[i+length] = make_pair(i,i+1); for (int i = length - 1; i >= 0; --i) range[i] = make_pair(range[(i<<1)+0].first,range[(i<<1)+1].second); } //vectorで初期化 SegmentTree(const vector<typeNode> & vec, typeNode unitNode) : num(vec.size()),unitNode(unitNode) { for (length = 1; length < vec.size(); length *= 2); node.resize(2 * length, Operator::unit_node); for (int i = 0; i < vec.size(); ++i) node[i + length] = vec[i]; for (int i = length - 1; i >= 0; --i) node[i] = Operator::funcNode(node[(i<<1)+0],node[(i<<1)+1]); range.resize(2 * length); for (int i = 0; i < length; ++i) range[i+length] = make_pair(i,i+1); for (int i = length - 1; i >= 0; --i) range[i] = make_pair(range[(i<<1)+0].first,range[(i<<1)+1].second); } //同じinitで初期化 SegmentTree(const size_t num, typeNode unitNode, const typeNode init) : num(num),unitNode(unitNode) { for (length = 1; length < num; length *= 2); node.resize(2 * length, unitNode); range.resize(2 * length); for (int i = 0; i < length; ++i) node[i+length] = init; for (int i = 0; i < length; ++i) range[i+length] = make_pair(i,i+1); for (int i = length - 1; i >= 0; --i) range[i] = make_pair(range[(i<<1)+0].first,range[(i<<1)+1].second); } //[idx,idx+1) void update(size_t idx, const typeNode var) { if(idx < 0 || length <= idx) return; idx += length; node[idx] = Operator::funcMerge(node[idx],var); while(idx >>= 1) node[idx] = Operator::funcNode(node[(idx<<1)+0],node[(idx<<1)+1]); } //[l,r) typeNode get(int l, int r) { if (l < 0 || length <= l || r < 0 || length < r) return unitNode; typeNode vl = unitNode, vr = unitNode; for(l += length, r += length; l < r; l >>=1, r >>=1) { if(l&1) vl = Operator::funcNode(vl,node[l++]); if(r&1) vr = Operator::funcNode(node[--r],vr); } return Operator::funcNode(vl,vr); } //return [0,length] int PrefixBinarySearch(typeNode var) { if(!Operator::funcCheck(node[1],var)) return num; typeNode ret = unitNode; size_t idx = 2; for(; idx < 2*length; idx<<=1){ if(!Operator::funcCheck(Operator::funcNode(ret,node[idx]),var)) { ret = Operator::funcNode(ret,node[idx]); idx++; } } return min((idx>>1) - length,num); } //range[l,r) return [l,r] int BinarySearch(size_t l, size_t r, typeNode var) { if (l < 0 || length <= l || r < 0 || length < r) return -1; typeNode ret = unitNode; size_t off = l; for(size_t idx = l+length; idx < 2*length && off < r; ){ if(range[idx].second<=r && !Operator::funcCheck(Operator::funcNode(ret,node[idx]),var)) { ret = Operator::funcNode(ret,node[idx]); off = range[idx++].second; if(!(idx&1)) idx >>= 1; } else{ idx <<=1; } } return off; } }; template<class typeNode, typeNode unitNode> struct nodeGCDPointUpdate { using type = typeNode; inline static constexpr typeNode unit_node = unitNode; static constexpr typeNode funcNode(typeNode l,typeNode r){return gcd::num(l,r);} static constexpr typeNode funcMerge(typeNode l,typeNode r){return r;} static constexpr bool funcCheck(typeNode nodeVal,typeNode var){return var == nodeVal;} }; // solution by binary search in prefix range on segment tree int main() { SPEED ll N; cin >> N; vector<ll> A(N); for(int i = 0; i < N; ++i) cin >> A[i]; SegmentTree<nodeGCDPointUpdate<ll,0>> seg(A,0); ll ans = 0; for(int i = 0; i < N; ++i) { ans += N - seg.BinarySearch(i,N,1); } cout << ans << endl; }