oj.uz

답안 #1055288

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1055288 2024-08-12T16:29:06 Z phong 비밀 (JOI14_secret) C++17
0 / 100
 274 ms 4484 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma")
//#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
#include "secret.h"

#define ll long long
const int nmax = 1000 + 5;

using namespace std;

int n, a[nmax];
int L[20][nmax], R[20][nmax];
//int Secret(int a, int b){
//}
void build(int id, int l, int r){
    if(l == r) return;
    int mid = r + l >> 1;
    L[id][mid] = a[mid];
    R[id][mid + 1] = a[mid + 1];
    for(int i = mid - 1; i >= l; --i) L[id][i] = Secret(L[id][i + 1], a[i]);
    for(int i = mid + 2; i <= r; ++i) R[id][i] = Secret(R[id][i - 1], a[i]);
    build(id + 1, l, mid);
    build(id + 1, mid + 1, r);
}
int get(int id, int l, int r, int u, int v){
    int mid = r + l >> 1;

    if(u <= mid && mid + 1 <= v) return Secret(L[id][u], R[id][v]);
    if(u == mid + 1) return R[id][v];
    if(v== mid) return L[id][u];
    if(mid < u) return get(id + 1, mid + 1, r, u, v);
    if(mid + 1 > v) return get(id + 1, l, mid, u, v);
    return get(id + 1, l, mid, u, v)+ get(id + 1, mid + 1, r, u, v);
}
void Init(int N, int A[]){
    n = N;
    for(int i = 0; i < n; ++i) a[i] = A[i];
    build(1, 0, n - 1);

}
int Query(int l, int r){
    if(l == r) return a[l];
    return get(1, 0, n - 1, l, r);
}

Compilation message

secret.cpp: In function 'void build(int, int, int)':
secret.cpp:18:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   18 |     int mid = r + l >> 1;
      |               ~~^~~
secret.cpp: In function 'int get(int, int, int, int, int)':
secret.cpp:27:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   27 |     int mid = r + l >> 1;
      |               ~~^~~

Subtask #1
0.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 68 ms 2652 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268854015.
2 Incorrect 93 ms 2748 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560.
3 Incorrect 68 ms 2748 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500.
4 Incorrect 267 ms 4288 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568.
5 Incorrect 255 ms 4436 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316.
6 Incorrect 274 ms 4268 KB Wrong Answer: Query(200, 208) - expected : 277813445, actual : 154975445.
7 Incorrect 260 ms 4484 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873.
8 Incorrect 259 ms 4268 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792.
9 Incorrect 256 ms 4436 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577.
10 Incorrect 274 ms 4272 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787.