#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "secret.h"
using namespace std;
using namespace __gnu_pbds;
#define ff first
#define ss second
#define ll int64_t
#define ld long double
#define nl cout<<"\n"
#define all(v) v.begin(),v.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define forn(i,a,b) for(int64_t i=int64_t(a);i<int64_t(b);++i)
#define forb(i,a,b) for(int64_t i=int64_t(a);i>=int64_t(b);--i)
#define fastio() ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define mod 1'000'000'007
#define mod2 998'244'353
#define inf 1'000'000'000'000'007
#define pi 3.14159265358979323846
template<class key,class cmp=std::less<key>>
using ordered_set=tree<key,null_type,cmp,rb_tree_tag,tree_order_statistics_node_update>;
template<class L,class R> ostream& operator<<(ostream& out,pair<L,R> &p) {return out<<"("<<p.ff<<", "<<p.ss<<")";}
template<class T> ostream& operator<<(ostream& out,vector<T> &v) {out<<"[";for(auto it=v.begin();it!=v.end();++it){if(it!=v.begin())out<<", ";out<<*it;}return out<<"]";}
template<class T> ostream& operator<<(ostream& out,deque<T> &v) {out<<"[";for(auto it=v.begin();it!=v.end();++it){if(it!=v.begin())out<<", ";out<<*it;}return out<<"]";}
template<class T> ostream& operator<<(ostream& out,set<T> &s) {out<<"{";for(auto it=s.begin();it!=s.end();++it){if(it!=s.begin())out<<", ";out<<*it;}return out<<"}";}
template<class L,class R> ostream& operator<<(ostream& out,map<L,R> &m) {out<<"{";for(auto it=m.begin();it!=m.end();++it){if(it!=m.begin())out<<", ";out<<*it;}return out<<"}";}
void dbg_out() {cerr<<"]\n";}
template<typename Head,typename... Tail>
void dbg_out(Head H,Tail... T) {cerr<<H;if(sizeof...(Tail))cerr<<", ";dbg_out(T...);}
#ifdef LOCAL
#define dbg(...) cerr<<"["<<#__VA_ARGS__<<"] = [",dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif
//---------------------------------mars4---------------------------------
ll n;
vector<vector<ll>> st;
void build(ll l,ll r,ll level,int A[])
{
if(l==r)
{
st[level][l]=A[l];
return;
}
ll mid=(l+r)/2;
st[level][mid]=A[mid];
forb(i,mid-1,l)
{
st[level][i]=Secret(A[i],st[level][i+1]);
}
st[level][mid+1]=A[mid+1];
forn(i,mid+2,r+1)
{
st[level][i]=Secret(st[level][i-1],A[i]);
}
build(l,mid,level+1,A);
build(mid+1,r,level+1,A);
}
void Init(int N,int A[])
{
n=N;
st=vector<vector<ll>>(65-__builtin_clzll(N),vector<ll>(N));
build(0,N-1,0,A);
}
int Query(int L,int R)
{
ll l=0,r=n-1;
ll level=0;
while(l<=r)
{
ll mid=(l+r)/2;
if(L<=mid and R>=mid)
{
if(R==mid)
{
return st[level][L];
}
return Secret(st[level][L],st[level][R]);
}
else if(R<mid)
{
r=mid;
}
else
{
l=mid+1;
}
level++;
}
}
Compilation message
secret.cpp: In function 'int Query(int, int)':
secret.cpp:102:1: warning: control reaches end of non-void function [-Wreturn-type]
102 | }
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
144 ms |
2372 KB |
Output is correct - number of calls to Secret by Init = 3578, maximum number of calls to Secret by Query = 1 |
| 2 |
Correct |
121 ms |
2288 KB |
Output is correct - number of calls to Secret by Init = 3586, maximum number of calls to Secret by Query = 1 |
| 3 |
Correct |
135 ms |
2396 KB |
Output is correct - number of calls to Secret by Init = 3595, maximum number of calls to Secret by Query = 1 |
| 4 |
Correct |
438 ms |
4480 KB |
Output is correct - number of calls to Secret by Init = 7969, maximum number of calls to Secret by Query = 1 |
| 5 |
Correct |
449 ms |
4284 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 6 |
Correct |
452 ms |
4316 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 7 |
Correct |
438 ms |
4348 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 8 |
Correct |
465 ms |
4452 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 9 |
Correct |
443 ms |
4320 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
| 10 |
Correct |
440 ms |
4464 KB |
Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1 |
