oj.uz

Submission #217613

# Submission time Handle Problem Language Result Execution time Memory
217613 2020-03-30T11:01:48 Z DodgeBallMan Secret (JOI14_secret) C++14
0 / 100
 504 ms 8440 KB 
#include <bits/stdc++.h>
#include "secret.h"

const int N = 1e3 + 10;

int n, a[N], pre[N][N];

//int Secret( int a, int b ) { return a + b; }

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


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

int Query( int l, int r ) {
    ++l, ++r;
    if( pre[l][r] != -1 ) return pre[l][r];
    for( int i = l ; i < r ; i++ ) if( pre[l][i] != -1 && pre[i+1][r] != -1 ) return Secret( pre[l][i], pre[i+1][r] );
}

/*int main()
{
    int n, x[N], q;
    scanf("%d",&n);
    for( int i = 0 ; i < n ; i++ ) scanf("%d",&x[i]);
    Init( n, x );
    scanf("%d",&q);
    while( q-- ) {
        int a, b;
        scanf("%d %d",&a,&b);
        printf("%d\n",Query( a, b ) );
    }
}*/

Compilation message

secret.cpp: In function 'void solve(int, int, int)':
secret.cpp:12:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = l + r >> 1;
               ~~^~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 138 ms 6392 KB Wrong Answer: Query(113, 206) - expected : 536899947, actual : 538256673.
2 Incorrect 139 ms 6348 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560.
3 Incorrect 139 ms 6392 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500.
4 Incorrect 499 ms 8440 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568.
5 Incorrect 502 ms 8300 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316.
6 Incorrect 494 ms 8316 KB Wrong Answer: Query(653, 654) - expected : 227441904, actual : 93182529.
7 Incorrect 500 ms 8348 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873.
8 Incorrect 501 ms 8312 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792.
9 Incorrect 504 ms 8404 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577.
10 Incorrect 496 ms 8316 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787.