Submission #624469

# Submission time Handle Problem Language Result Execution time Memory
624469 2022-08-08T10:05:40 Z erto Secret (JOI14_secret) C++17
0 / 100
445 ms 8464 KB
#include "secret.h"
#include <bits/stdc++.h>
typedef long long int ll;
#define INF 1000000007
#define INF2 998244353
//#define N (ll)(2e5+ 5)
using namespace std;

int n;
int ans[1005][1005];

void calc(int lb, int rb, int A[]){
    int mid = (lb + rb) / 2;
    
    ans[mid][mid] = A[mid - 1];
    if(lb == rb)return;

    for(int i=mid - 1; i>=lb; i--){
        ans[mid][i] = Secret(A[i - 1], ans[mid][i + 1]);
    }
    ans[mid + 1][mid + 1] = A[mid];
    for(int i=mid + 2; i<=rb; i++){
        ans[mid + 1][i] = Secret(ans[mid + 1][i - 1], A[i - 1]);
    }

    calc(lb, mid, A);
    calc(mid + 1, rb, A);
}

void Init(int N, int A[]){
    n = N;
    calc(1, n, A);
}

int Query(int L, int R){
    L++;
    R++;
    int a = 1, b = n;
    if(L == R)return ans[L - 1][L - 1];
    else{
        while(a < b){
            int mid = (a + b) / 2;
            if(L <= mid && mid < R){
                return Secret(ans[mid][L], ans[mid][R]);
            }
            else if(mid == R){
                return ans[mid][L];
            }
            else if(mid < L){
                a = mid + 1; 
            }
            else{
                b = mid;
            }
        }
    }
}
 

Compilation message

secret.cpp: In function 'int Query(int, int)':
secret.cpp:57:1: warning: control reaches end of non-void function [-Wreturn-type]
   57 | }
      | ^
# Verdict Execution time Memory Grader output
1 Incorrect 115 ms 4388 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 805576266.
2 Incorrect 114 ms 4480 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 571476064.
3 Incorrect 114 ms 4392 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 136730926.
4 Incorrect 430 ms 8464 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 870547617.
5 Incorrect 442 ms 8292 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 976357712.
6 Incorrect 438 ms 8304 KB Wrong Answer: Query(915, 915) - expected : 282904741, actual : 579799611.
7 Incorrect 431 ms 8192 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 781793354.
8 Incorrect 427 ms 8340 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 499418120.
9 Incorrect 427 ms 8220 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 277351906.
10 Incorrect 445 ms 8228 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 274498057.