結果
問題 | No.1036 Make One With GCD 2 |
ユーザー |
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提出日時 | 2020-04-24 22:17:36 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 1,139 ms / 2,000 ms |
コード長 | 3,182 bytes |
コンパイル時間 | 1,633 ms |
コンパイル使用メモリ | 167,884 KB |
実行使用メモリ | 95,488 KB |
最終ジャッジ日時 | 2024-09-16 13:20:49 |
合計ジャッジ時間 | 23,349 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 41 |
ソースコード
#include<bits/stdc++.h>using namespace std;#define X first#define Y second#define mp make_pair#define pb push_back#define rep(i,a,n) for(int i=(a);i<=(n);++i)#define dep(i,a,n) for(int i=(a);i>=(n);--i)#define eps 1e-8#define pi 3.1415926535897#define sqr(x) ((x)*(x))#define MAX(a,b) a=max(a,b)#define MIN(a,b) a=min(a,b)#define SZ(x) ((int)(x).size())#define CPY(a,b) memcpy(a,b,sizeof(a))#define CLR(a) memset(a,0,sizeof(a))#define POSIN(x,y) (1<=(x)&&(x)<=n&&1<=(y)&&(y)<=m)#define all(x) (x).begin(),(x).end()#define COUT(S,x) cout<<fixed<<setprecision(x)<<S<<endl#define buli(x) (__builtin_popcountll(x))#define bur0(x) (__builtin_ctzll(x))#define bul2(x) (63-__builtin_clzll(x))#define pw(x) ((ll(1))<<(x))#define upmo(a,b) (((a)=((a)+(b))%mo)<0?(a)+=mo:(a))#define mmo(a,b) (((a)=1ll*(a)*(b)%mo)<0?(a)+=mo:(a))#define y0 y0z#define y1 y1z#define yn ynz#define j0 j0z#define j1 j1z#define jn jnz#define tm tmz#ifdef LOCAL#define debug(...) fprintf(stderr, __VA_ARGS__)#else#define debug(...)#endiftypedef long long ll;typedef double lf;typedef pair<int,int> pii;typedef pair<ll,ll> pll;typedef pair<lf,lf> pff;typedef complex<double> CD;const int inf=0x3f3f3f3f;const int mo=1000000007;inline void gn(long long&x){int sg=1;char c;while(((c=getchar())<'0'||c>'9')&&c!='-');c=='-'?(sg=-1,x=0):(x=c-'0');while((c=getchar())>='0'&&c<='9')x=x*10+c-'0';x*=sg;}inline void gn(int&x){long long t;gn(t);x=t;}inline void gn(unsigned long long&x){long long t;gn(t);x=t;}inline void gn(double&x){double t;scanf("%lf",&t);x=t;}inline void gn(long double&x){double t;scanf("%lf",&t);x=t;}template<class T1,class T2>inline void gn(T1&r,T2&s){gn(r),gn(s);}template<class T1,class T2,class T3>inline void gn(T1&r,T2&s,T3&t){gn(r),gn(s),gn(t);}template<class T1,class T2,class T3,class T4>inline void gn(T1&r,T2&s,T3&t,T4&u){gn(r),gn(s),gn(t),gn(u);}inline void gs(char *s){scanf("%s",s);}inline void gc(char &c){while((c=getchar())>126 || c<33);}inline void pc(char c){putchar(c);}const int DX[]={1,0,-1,0},DY[]={0,1,0,-1};ll powmod(ll a,ll b) {ll res=1;a%=mo;for(;b;b>>=1){if(b&1)res=res*a%mo;a=a*a%mo;}return res;}ll powmod(ll a,ll b,ll mo) {ll res=1;a%=mo;for(;b;b>>=1){if(b&1)res=res*a%mo;a=a*a%mo;}return res;}ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}//*******************************************const int N=501111,M=111111;int l,m,n,t,C;ll a[N];ll g[N][22];int lg[N];ll calc(int x,int y){int p=lg[y-x+1]-1;if(x==y)return a[x];// printf(" %d %lld %lld\n",p,g[x][p],g[y-(1<<p)+1][p]);return gcd(g[x][p],g[y-(1<<p)+1][p]);}int main(){#ifdef LOCALfreopen("D.in","r",stdin);freopen("D.out","w",stdout);#endifscanf("%d",&n);rep(i,1,n)scanf("%lld",&a[i]),g[i][0]=a[i];rep(i,1,20)rep(j,1,n-(1<<i-1))g[j][i]=gcd(g[j][i-1],g[j+(1<<i-1)][i-1]);rep(i,1,n+10)lg[i]=lg[i/2]+1;// rep(i,1,n)rep(j,i,n)printf("%d %d %lld\n",i,j,calc(i,j));// rep(i,0,2)rep(j,1,n)printf("%d %d %lld\n",i,j,g[j][i]);int pt=1;ll v=a[1];ll ans=0;rep(i,1,n){v=gcd(v,a[i]);while(v==1&&pt<=i){++pt;if(pt<=i)v=calc(pt,i);else v=a[i+1];}ans+=pt-1;// printf("%d\n",pt);}cout<<ans<<endl;return 0;}