Submission #740289

# Submission time Handle Problem Language Result Execution time Memory
740289 2023-05-12T09:29:45 Z BidoTeima Secret (JOI14_secret) C++17
0 / 100
428 ms 8196 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){
        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);
    rec(mid + 1, 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;
}
# Verdict Execution time Memory Grader output
1 Incorrect 112 ms 6268 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : -1.
2 Incorrect 120 ms 6208 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : -1.
3 Incorrect 115 ms 6180 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : -1.
4 Incorrect 419 ms 8168 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : -1.
5 Incorrect 420 ms 8120 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : -1.
6 Incorrect 428 ms 8196 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : -1.
7 Incorrect 421 ms 8188 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : -1.
8 Incorrect 428 ms 8124 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : -1.
9 Incorrect 424 ms 8140 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : -1.
10 Incorrect 424 ms 8148 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : -1.