oj.uz

Submission #286161

# Submission time Handle Problem Language Result Execution time Memory
286161 2020-08-30T07:39:30 Z YJU Secret (JOI14_secret) C++14
0 / 100
 507 ms 12552 KB 
#include<bits/stdc++.h>
#include "secret.h"
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=2e3+5;
const ld pi=3.14159265359;
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()

ll pre[N][N],suf[N][N],n;

void Init(int N,int a[]){
	n=N;
	function<void(ll,ll)> build = [&](ll l,ll r){
		if(l>=r)return ;
		ll mid=(l+r)/2;
		build(l,mid);build(mid+1,r);
		pre[mid][mid+1]=a[mid];
		suf[mid][mid-1]=a[mid-1];
		for(int i=mid+2;i<=r;i++)pre[mid][i]=Secret(pre[mid][i-1],a[i-1]);
		for(int i=mid-2;i>=l;i--)suf[mid][i]=Secret(suf[mid][i+1],a[i]);
	};
	build(0,n);
} 

ll q(ll l,ll r,ll ql,ll qr){
	ll mid=(l+r)/2;
	if(ql<=mid&&mid<qr){
		if(mid==ql)return pre[mid][qr];
		if(mid==qr-1)return suf[mid][ql];
		return Secret(pre[mid][qr],suf[mid][ql]);
	}else{
		if(qr<=mid){
			return q(l,mid,ql,qr);
		}else{
			return q(mid+1,r,ql,qr);
		}
	}
}

int Query(int L,int R){
	return q(0,n,L,R+1);
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 135 ms 6520 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 38820468.
2 Incorrect 136 ms 6520 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 755105792.
3 Incorrect 135 ms 6520 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 362156408.
4 Incorrect 496 ms 12536 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 108544080.
5 Incorrect 507 ms 12524 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 659085336.
6 Incorrect 500 ms 12536 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : 438989368.
7 Incorrect 502 ms 12552 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 773554242.
8 Incorrect 500 ms 12536 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 490922392.
9 Incorrect 507 ms 12536 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 939919433.
10 Incorrect 502 ms 12536 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 274803083.