#include<bits/stdc++.h>
#include "secret.h"
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef double db;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define pbds tree<pair<int, int>, null_type, less<pair<int, int>>,rb_tree_tag, tree_order_statistics_node_update>
using namespace __gnu_pbds;
ll gcd(ll a , ll b) {return b ? gcd(b , a % b) : a ;} // greatest common divisor (PGCD)
ll lcm(ll a , ll b) {return (a * b) / gcd(a , b);} // least common multiple (PPCM)
int dx[8] = {1, 0, 0, -1, 1, 1, -1, -1};
int dy[8] = {0, 1, -1, 0, 1, -1, -1, 1};
#define endl "\n"
#define ss second
#define ff first
#define all(x) (x).begin() , (x).end()
#define pb push_back
#define vi vector<int>
#define vii vector<pair<int,int>>
#define vl vector<ll>
#define vll vector<pair<ll,ll>>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pdd pair<double,double>
#define vdd vector<pdd>
#define speed ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
////////////////////Only Clear Code//////////////////////////
const int mx = 1005;
const int LOG = 25;
const int inf = 1e9+5;
const ll mod = 1e9+7;
int ans[mx][mx];
void build(int l,int r){
if(r-l <= 1){
return;
}
int md = (l+r)/2;
for(int i = md-1; i >= l;i--){
if(ans[i][md] == -1){
ans[i][md] = Secret(ans[i][i+1], ans[i+1][md]);
//cout << i << " " << md << endl;
}
}
for(int i = md+1; i <= r;i++){
if(ans[md][i] == -1){
ans[md][i] = Secret(ans[i-1][i], ans[md][i-1]);
}
}
build(l, md);
build(md, r);
}
void Init(int N, int A[]){
for(int i = 0; i <= N;i++){
for(int j = 0; j <= N;j++){
ans[i][j] = -1;
}
}
for(int i = 0; i < N;i++){
ans[i][i+1] = A[i];
}
build(0, N);
}
int Query(int L, int R){
for(int i = L+1;i <= R;i++){
if(ans[L][i] != -1 && ans[i][R+1] != -1){
return Secret(ans[L][i], ans[i][R+1]);
}
}
return ans[L][R+1];
}
/*
NEVER GIVE UP!
DOING SMTHNG IS BETTER THAN DOING NTHNG!!!
Your Guide when stuck:
- Continue keyword only after reading the whole input
- Don't use memset with testcases
- Check for corner cases(n=1, n=0)
- Check where you declare n(Be careful of declaring it globally and in main)
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
108 ms |
4268 KB |
Wrong Answer: Query(113, 206) - expected : 536899947, actual : 574640985. |
2 |
Incorrect |
103 ms |
4312 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 68749376. |
3 |
Incorrect |
101 ms |
4372 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 145096996. |
4 |
Incorrect |
393 ms |
8200 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 327860453. |
5 |
Incorrect |
380 ms |
8188 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 377506838. |
6 |
Incorrect |
400 ms |
8140 KB |
Wrong Answer: Query(200, 208) - expected : 277813445, actual : 415063604. |
7 |
Incorrect |
378 ms |
8212 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 687550570. |
8 |
Incorrect |
380 ms |
8144 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 145923264. |
9 |
Incorrect |
378 ms |
8160 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 18757135. |
10 |
Incorrect |
377 ms |
8316 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 70590726. |