#include "secret.h"
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#define ll long long
#define pb push_back
#define endl '\n'
#define pii pair<ll,ll >
#define F first
#define S second
#define double long double
#define all(x) (x).begin(),(x).end()
using namespace std;
using namespace __gnu_pbds;
typedef tree<ll , null_type , less_equal<ll> ,rb_tree_tag ,tree_order_statistics_node_update >ordered_set;
const int MOD=998244353 ;
const int N=1e6+ 7;
const ll INF= 1e18+10;
struct trp{ll F,S,T;};
ll po(ll x,ll y)
{
ll ans = 1;
while(y){
if( y & 1 ) ans *=x;
y /= 2;
x *=x;
x %= MOD;
ans %= MOD;
}
return ans;
}
int n;
ll suf[N][20];
ll pref[N][20];
vector<int>v;
void get(ll l,ll r,ll lg)
{
if(l == r) return;
ll m = (l+r)/2;
suf[0][lg] = v[m];
pref[0][lg] = v[m+1];
ll j = 1;
for(ll i= m-1;i>=l;i--){
suf[i][lg] = Secret(suf[i+1][lg] , v[i]);
}
j = 1;
for(ll i=m+2;i<=r;i++){
pref[i][lg] = Secret(pref[i-1][lg] , v[i]);
}
get(l,m,lg+1);
get(m+1,r,lg+1);
}
void Init(int f , int *a)
{
n = f;
for(ll i=0;i<n;i++) v.pb(a[i]);
get(0,n-1,0);
}
ll get_ans(ll segl,ll segr,ll l,ll r,ll lg)
{
ll m = (segl + segr)/2;
if(m >= l && m < r){
return Secret(suf[l][lg] , pref[r][lg]);
}
if(l > m) return get_ans(m+1,segr,l,r,lg+1);
else return get_ans(segl,m,l,r,lg+1);
}
int Query(int l, int r)
{
if(l == r) return v[l];
return get_ans(0,n-1 , l,r , 0);
}
Compilation message
secret.cpp: In function 'void get(long long int, long long int, long long int)':
secret.cpp:48:8: warning: variable 'j' set but not used [-Wunused-but-set-variable]
48 | ll j = 1;
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
109 ms |
2500 KB |
Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268654658. |
2 |
Incorrect |
110 ms |
2560 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 715131048. |
3 |
Incorrect |
108 ms |
2540 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 75860012. |
4 |
Incorrect |
406 ms |
4640 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 122716734. |
5 |
Incorrect |
412 ms |
4788 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 493012052. |
6 |
Incorrect |
409 ms |
4736 KB |
Wrong Answer: Query(738, 741) - expected : 983692994, actual : 556491801. |
7 |
Incorrect |
412 ms |
4684 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 754694193. |
8 |
Incorrect |
419 ms |
4704 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 353767576. |
9 |
Incorrect |
421 ms |
4620 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 953171466. |
10 |
Incorrect |
409 ms |
4612 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 69689862. |