結果
問題 | No.2519 Coins in Array |
ユーザー | 👑 potato167 |
提出日時 | 2023-10-27 22:44:23 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 114 ms / 2,000 ms |
コード長 | 6,601 bytes |
コンパイル時間 | 2,289 ms |
コンパイル使用メモリ | 215,920 KB |
実行使用メモリ | 11,008 KB |
最終ジャッジ日時 | 2024-09-25 14:44:16 |
合計ジャッジ時間 | 6,872 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
5,376 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 | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 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 | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 112 ms
10,748 KB |
testcase_24 | AC | 114 ms
10,748 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,948 KB |
testcase_27 | AC | 112 ms
11,008 KB |
testcase_28 | AC | 113 ms
10,752 KB |
testcase_29 | AC | 112 ms
10,748 KB |
testcase_30 | AC | 103 ms
10,476 KB |
testcase_31 | AC | 18 ms
6,940 KB |
testcase_32 | AC | 56 ms
7,072 KB |
testcase_33 | AC | 80 ms
9,508 KB |
testcase_34 | AC | 37 ms
6,944 KB |
testcase_35 | AC | 72 ms
7,496 KB |
testcase_36 | AC | 30 ms
6,940 KB |
testcase_37 | AC | 14 ms
6,944 KB |
testcase_38 | AC | 60 ms
7,332 KB |
testcase_39 | AC | 34 ms
6,944 KB |
testcase_40 | AC | 107 ms
10,748 KB |
ソースコード
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; const ll ILL=2167167167167167167; const int INF=2100000000; const int mod=998244353; #define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++) #define all(p) p.begin(),p.end() template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>; template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}else return 0;} template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}else return 0;} template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());} template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} void yneos(bool a){if(a) cout<<"Yes\n"; else cout<<"No\n";} template<class T> void vec_out(vector<T> &p,int ty=0){ if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";} else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}} template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;} template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;} template<class T> T vec_sum(vector<T> &a){assert(!a.empty());T ans=a[0]-a[0];for(auto &x:a) ans+=x;return ans;} int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;} namespace atcoder { namespace internal { // @param n `0 <= n` // @return minimum non-negative `x` s.t. `n <= 2**x` int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } // @param n `1 <= n` // @return minimum non-negative `x` s.t. `(n & (1 << x)) != 0` int bsf(unsigned int n) { #ifdef _MSC_VER unsigned long index; _BitScanForward(&index, n); return index; #else return __builtin_ctz(n); #endif } } // namespace internal template <class S, S (*op)(S, S), S (*e)()> struct segtree { public: segtree() : segtree(0) {} segtree(int n) : segtree(std::vector<S>(n, e())) {} segtree(const std::vector<S>& v) : _n(int(v.size())) { log = internal::ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); return d[p + size]; } void addl(int p,S x){ set(p,op(get(p),x)); } void addr(int p,S x){ set(p,op(x,get(p))); } void inti(){ for(auto *x:d) x=e(); } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); S sml = e(), smr = e(); l += size; r += size; while (l < r) { if (l & 1) sml = op(sml, d[l++]); if (r & 1) smr = op(d[--r], smr); l >>= 1; r >>= 1; } return op(sml, smr); } S all_prod() { return d[1]; } template <bool (*f)(S)> int max_right(int l) { return max_right(l, [](S x) { return f(x); }); } template <class F> int max_right(int l, F f) { assert(0 <= l && l <= _n); assert(f(e())); if (l == _n) return _n; l += size; S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!f(op(sm, d[l]))) { while (l < size) { l = (2 * l); if (f(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template <bool (*f)(S)> int min_left(int r) { return min_left(r, [](S x) { return f(x); }); } template <class F> int min_left(int r, F f) { assert(0 <= r && r <= _n); assert(f(e())); if (r == 0) return 0; r += size; S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!f(op(d[r], sm))) { while (r < size) { r = (2 * r + 1); if (f(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } private: int _n, size, log; std::vector<S> d; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } }; } // namespace atcoder using namespace atcoder; int op(int a,int b){ return a+b; } int e(){ return 0; } void solve(); // oddloop int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t=1; //cin>>t; rep(i,0,t) solve(); } void solve(){ int N; cin>>N; vector<ll> A(N); rep(i,0,N) cin>>A[i]; auto f=[&](ll a,ll b) -> ll { if(min(a,b)<=1) return 0; if(gcd(a,b)!=1) return 0; return (a-1)*(b-1); }; if(N==2){ cout<<f(A[0],A[1])<<"\n"; cout<<"1 2"<<"\n"; return; } if(N==3){ int ind=0; ll val=ILL; rep(i,0,N){ int a=i,b=(i+1)%N,c=(i+2)%N; if(chmin(val,f(f(A[a],A[b]),A[c]))) ind=i; } int a=ind,b=(ind+1)%N,c=(ind+2)%N; cout<<f(f(A[a],A[b]),A[c])<<"\n"<<a+1<<" "<<b+1<<"\n1 2\n"; return; } segtree<int,op,e> seg(N*2); vector<vector<int>> G(2); int ind=N; rep(i,0,N*2) seg.set(i,1); cout<<"0\n"; auto g=[&](int a,int b){ cout<<seg.prod(0,a+1)<<" "<<seg.prod(0,b+1)<<"\n"; seg.set(a,0); seg.set(b,0); ind++; }; rep(i,0,N) G[A[i]&1].push_back(i); rep(i,0,G[1].size()){ if(i&1) continue; if(i+1==(int)(G[1].size())) G[0].push_back(G[1][i]); else G[0].push_back(ind),g(G[1][i],G[1][i+1]); } rep(i,1,G[0].size()){ g(G[0][0],G[0][i]); G[0][0]=ind-1; } }