oj.uz

Submission #606168

# Submission time Handle Problem Language Result Execution time Memory
606168 2022-07-26T05:22:29 Z kawaii Secret (JOI14_secret) C++14
0 / 100
 498 ms 8340 KB 
#include "secret.h"
#include<bits/stdc++.h>
using namespace std;
 
int n, a[1005], pre[1005][1005];

void dnc(int l, int r){
    if(l == r) return;
    int mid = l + r >> 1;
    dnc(l, mid); dnc(mid + 1, r);
    for(int i = mid - 1; i >= l; i--) pre[i][mid] = pre[mid][i] = Secret(a[i], pre[i + 1][mid]);
    for(int i = mid + 2; i <= r; i++) pre[mid + 1][i] = pre[i][mid + 1] = Secret(pre[mid + 1][i - 1], a[i]);
}

void Init(int N, int A[]){
    for(int i = 1; i <= N; i++) a[i] = A[i - 1], pre[i][i] = a[i];
    n = N;
    dnc(1, n);
}

int solve(int l, int r, int lf, int rt){
    if(l == r) return a[l];
    int mid = l + r >> 1;
    if(lf <= mid && mid <= rt){
        if(lf == mid) return Secret(a[lf], pre[mid + 1][rt]);
        if(rt == mid) return pre[lf][mid];
        return Secret(pre[lf][mid], pre[mid + 1][rt]);
    }
    if(rt < mid) return solve(l, mid, lf, rt);
    else return solve(mid + 1, r, lf, rt);
}

int Query(int L, int R){
    L++; R++;
    return solve(1, n, L, R);
}

Compilation message

secret.cpp: In function 'void dnc(int, int)':
secret.cpp:9:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 |     int mid = l + r >> 1;
      |               ~~^~~
secret.cpp: In function 'int solve(int, int, int, int)':
secret.cpp:23:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |     int mid = l + r >> 1;
      |               ~~^~~

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 117 ms 4292 KB Wrong Answer: Query(56, 56) - expected : 677274107, actual : 134970362.
2 Incorrect 113 ms 4400 KB Wrong Answer: Query(389, 389) - expected : 472506730, actual : 472490344.
3 Incorrect 123 ms 4284 KB Wrong Answer: Query(18, 18) - expected : 238214183, actual : 204658726.
4 Incorrect 439 ms 8120 KB Wrong Answer: Query(788, 788) - expected : 937598145, actual : 926442046.
5 Incorrect 498 ms 8220 KB Wrong Answer: Query(957, 957) - expected : 115761809, actual : 652361744.
6 Incorrect 437 ms 8180 KB Wrong Answer: Query(915, 915) - expected : 282904741, actual : 156045047.
7 Correct 452 ms 8192 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
8 Correct 442 ms 8280 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
9 Correct 447 ms 8340 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
10 Correct 469 ms 8332 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1