Submission #406627

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
406627	2021-05-17T20:43:32 Z	ScarletS	Secret (JOI14_secret)	C++17	Compilation error	0 ms	0 KB

secret

#include <bits/stdc++.h>

int n, a[1000], pre[1000][1000];

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

void Init(int N, int A[])
{
    n=N;
    for (int i=0;i<n;++i)
        a[i]=A[i];
    build(0,1,n);
}

int Query(int l, int r)
{
    if (l+1<=r)
        return Secret(a[l],a[r]);
    int x=0, y=n-1, m;
    while (1)
    {
        m=x+(y-x)/2;
        if (l<=m&&m<r)
            return Secret(pre[l][m],pre[m+1][r]);
        if (m<l&&m<r)
            x=m+1;
        else
            y=m;
    }
}

Compilation message

secret.cpp: In function 'void build(int, int)':
secret.cpp:13:19: error: 'Secret' was not declared in this scope
   13 |         pre[i][m]=Secret(a[i],pre[i+1][m]);
      |                   ^~~~~~
secret.cpp:15:21: error: 'Secret' was not declared in this scope
   15 |         pre[m+1][i]=Secret(pre[m+1][i-1],a[i]);
      |                     ^~~~~~
secret.cpp: In function 'void Init(int, int*)':
secret.cpp:25:16: error: too many arguments to function 'void build(int, int)'
   25 |     build(0,1,n);
      |                ^
secret.cpp:5:6: note: declared here
    5 | void build(int l, int r)
      |      ^~~~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:31:16: error: 'Secret' was not declared in this scope
   31 |         return Secret(a[l],a[r]);
      |                ^~~~~~
secret.cpp:37:20: error: 'Secret' was not declared in this scope
   37 |             return Secret(pre[l][m],pre[m+1][r]);
      |                    ^~~~~~