結果
問題 | No.1746 Sqrt Integer Segments |
ユーザー | t98slider |
提出日時 | 2022-02-07 09:53:49 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 95 ms / 2,000 ms |
コード長 | 5,939 bytes |
コンパイル時間 | 1,807 ms |
コンパイル使用メモリ | 186,480 KB |
実行使用メモリ | 18,628 KB |
最終ジャッジ日時 | 2024-09-13 09:30:16 |
合計ジャッジ時間 | 4,869 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 14 ms
15,092 KB |
testcase_01 | AC | 14 ms
15,040 KB |
testcase_02 | AC | 72 ms
17,832 KB |
testcase_03 | AC | 45 ms
16,448 KB |
testcase_04 | AC | 55 ms
16,908 KB |
testcase_05 | AC | 94 ms
18,608 KB |
testcase_06 | AC | 41 ms
16,264 KB |
testcase_07 | AC | 23 ms
15,580 KB |
testcase_08 | AC | 71 ms
18,064 KB |
testcase_09 | AC | 91 ms
18,604 KB |
testcase_10 | AC | 36 ms
16,168 KB |
testcase_11 | AC | 84 ms
18,256 KB |
testcase_12 | AC | 93 ms
18,500 KB |
testcase_13 | AC | 94 ms
18,500 KB |
testcase_14 | AC | 95 ms
18,628 KB |
testcase_15 | AC | 94 ms
18,628 KB |
testcase_16 | AC | 90 ms
18,624 KB |
testcase_17 | AC | 62 ms
17,208 KB |
testcase_18 | AC | 35 ms
17,436 KB |
testcase_19 | AC | 34 ms
17,436 KB |
testcase_20 | AC | 34 ms
17,436 KB |
testcase_21 | AC | 42 ms
16,240 KB |
testcase_22 | AC | 42 ms
16,300 KB |
testcase_23 | AC | 28 ms
15,780 KB |
testcase_24 | AC | 70 ms
17,428 KB |
testcase_25 | AC | 70 ms
17,396 KB |
testcase_26 | AC | 70 ms
17,480 KB |
testcase_27 | AC | 93 ms
17,428 KB |
testcase_28 | AC | 93 ms
17,384 KB |
testcase_29 | AC | 94 ms
17,460 KB |
ソースコード
#include <bits/stdc++.h> #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define rep(i,n) for(int i=0;i<(int)(n);i++) #define drep(i,j,n) for(int i=0;i<(int)(n-1);i++)for(int j=i+1;j<(int)(n);j++) #define trep(i,j,k,n) for(int i=0;i<(int)(n-2);i++)for(int j=i+1;j<(int)(n-1);j++)for(int k=j+1;k<(int)(n);k++) #define codefor int test;scanf("%d",&test);while(test--) #define INT(...) int __VA_ARGS__;in(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;in(__VA_ARGS__) #define yes(ans) if(ans)printf("yes\n");else printf("no\n") #define Yes(ans) if(ans)printf("Yes\n");else printf("No\n") #define YES(ans) if(ans)printf("YES\n");else printf("NO\n") #define popcount(v) __builtin_popcountll(v) #define vector2d(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__)) #define vector3d(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__))) #define vector4d(type,name,h,w,d,...) vector<vector<vector<vector<type>>>>name(h,vector<vector<vector<type>>>(w,vector<vector<type>>(d,vector<type>(__VA_ARGS__)))) using namespace std; using ll = long long; template<class T> using rpriority_queue = priority_queue<T, vector<T>, greater<T>>; const int MOD=1000000007; const int MOD2=998244353; const int INF=1<<30; const ll INF2=1LL<<60; void scan(int& a){scanf("%d",&a);} void scan(long long& a){scanf("%lld",&a);} template<class T,class L>void scan(pair<T, L>& p){scan(p.first);scan(p.second);} template<class T,class U,class V>void scan(tuple<T,U,V>& p){scan(get<0>(p));scan(get<1>(p));scan(get<2>(p));} template<class T, size_t size> void scan(array<T, size>& a){ for(auto&& i : a) scan(i);} template<class T> void scan(T& a){cin>>a;} template<class T> void scan(vector<T>& vec){for(auto&& it:vec)scan(it);} void in(){} template <class Head, class... Tail> void in(Head& head, Tail&... tail){scan(head);in(tail...);} void print(const int& a){printf("%d",a);} void print(const long long& a){printf("%lld",a);} void print(const double& a){printf("%.15lf",a);} template<class T,class L>void print(const pair<T, L>& p){print(p.first);putchar(' ');print(p.second);} template<class T> void print(const T& a){cout<<a;} template<class T> void print(const vector<T>& vec){if(vec.empty())return;print(vec[0]);for(auto it=vec.begin();++it!= vec.end();){putchar(' ');print(*it);}} void out(){putchar('\n');} template<class T> void out(const T& t){print(t);putchar('\n');} template <class Head, class... Tail> void out(const Head& head,const Tail&... tail){print(head);putchar(' ');out(tail...);} template<class T> void dprint(const T& a){cerr<<a;} template<class T> void dprint(const vector<T>& vec){if(vec.empty())return;cerr<<vec[0];for(auto it=vec.begin();++it!= vec.end();){cerr<<" "<<*it;}} void debug(){cerr<<endl;} template<class T> void debug(const T& t){dprint(t);cerr<<endl;} template <class Head, class... Tail> void debug(const Head& head, const Tail&... tail){dprint(head);cerr<<" ";debug(tail...);} ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; } ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; } ll modinv(ll a, ll m) {ll b = m, u = 1, v = 0;while (b) {ll t = a / b;a -= t * b; swap(a, b);u -= t * v; swap(u, v);}u %= m;if (u < 0) u += m;return u;} ll updivide(ll a,ll b){return (a+b-1)/b;} int msb(ll v){return 63-__builtin_clzll(v);} template<class T> void chmax(T &a,const T b){if(b>a)a=b;} template<class T> void chmin(T &a,const T b){if(b<a)a=b;} struct osa_k{ int n; vector<int> osak_calc; osa_k(int n = 1000001) { osak_calc.resize(n, -1); int d; for(int i=2;i<n;i+=2)osak_calc[i]=2; for(int i=3;i<n;i+=2){ if(osak_calc[i]!=-1)continue; d=i<<1; for(int j=i;j<n;j+=d){ if(osak_calc[j]!=-1)continue; osak_calc[j]=i; } } } bool is_Prime(int x){ return (osak_calc[x]==x); } vector<pair<int,int>> prime_factor(int x){ vector<pair<int,int>> ret; if(x<=1)return ret; ret.push_back(make_pair(osak_calc[x],1)); x/=osak_calc[x]; while(osak_calc[x]!=-1){ if(osak_calc[x]==ret[ret.size()-1].first){ ret[ret.size()-1].second++; }else{ ret.push_back(make_pair(osak_calc[x],1)); } x/=osak_calc[x]; } return ret; } //最小公倍数の数列を返す vector<pair<int,int>> array_lcm(vector<int> a){ map<int,int> Map; for(int i=0;i<(int)a.size();i++){ vector<pair<int,int>> b=prime_factor(a[i]); for(int j=0;j<(int)b.size();j++){ if(Map.count(b[j].first)){ if(b[j].second>Map[b[j].first])Map[b[j].first]=b[j].second; }else{ Map[b[j].first]=b[j].second; } } } vector<pair<int,int>> ret; for(auto v:Map)ret.emplace_back(v.first,v.second); return ret; } }; vector<int> CCE(vector<ll> &s){ int n=s.size(),cnt=0,i=0,pre; vector<int> ret; while(i<n){ pre=i; cnt=0; while(i<n&&s[i]==s[pre])i++,cnt++; ret.push_back(cnt); } return ret; } long long xor64(){ static long long x=88172645463325252LL; x^=(x<<13); x^=(x>>7); return (x^=(x<<17)); } int main(){ INT(n); osa_k osa(1000001); vector<int> a(n); vector<ll> sumv(n+1),h(1000001); for(int i=0;i<=1000000;i++)h[i]=xor64(); in(a); rep(i,n){ sumv[i+1]=sumv[i]; auto p=osa.prime_factor(a[i]); rep(j,p.size()){ if(p[j].second&1)sumv[i+1]^=h[p[j].first]; } } sort(all(sumv)); auto c=CCE(sumv); ll ans=0; rep(i,c.size()){ ans+=ll(c[i])*(c[i]-1)/2; } out(ans); }