oj.uz

답안 #740314

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
740314 2023-05-12T09:52:16 Z BidoTeima 비밀 (JOI14_secret) C++17
0 / 100
 438 ms 8372 KB 
#include "secret.h"
#include <bits/stdc++.h>
const int N = 1e3;
int val[N][N];
int a[N];
void rec(int l, int r){
    if(l > r)
        return;
    if(l == r){
        val[l][l] = a[l];
        return;
    }
    int mid = (l + r) >> 1;
    // (l, mid), (l + 1, mid), ..., (mid, mid)
    int pre = a[mid];
    for(int i = mid; i >= l; i--){
        if(i < mid)pre = Secret(pre, a[i]);
        val[i][mid] = pre;
    }
    pre = a[r];
    for(int i = r; i >= mid + 1; i--){
        if(i < r)pre = Secret(pre, a[i]);
        val[i][r] = pre;
    }
    rec(l, mid - 1);
    rec(mid + 2, r);
}
void Init(int n, int A[]) {
    for(int i = 0; i < n; i++){
        a[i] = A[i];
    }
    memset(val, -1, sizeof(val));
    rec(0, n - 1);
}

int Query(int L, int R) {
    if(L == R)
        return val[L][L];
    for(int i = L; i + 1 <= R; i++){
        if(val[L][i] != -1 && val[i + 1][R] != -1)
            return Secret(val[L][i], val[i + 1][R]);
    }
    if(val[L][R] != -1)
        return val[L][R];
    return -1;
}

Subtask #1
0.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 141 ms 6328 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 319912893.
2 Incorrect 113 ms 6352 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : -1.
3 Incorrect 118 ms 6264 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : -1.
4 Incorrect 416 ms 8372 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : -1.
5 Incorrect 431 ms 8280 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : -1.
6 Incorrect 428 ms 8256 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : -1.
7 Incorrect 438 ms 8364 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : -1.
8 Incorrect 422 ms 8284 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : -1.
9 Incorrect 434 ms 8268 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : -1.
10 Incorrect 423 ms 8260 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : -1.