답안 #988094

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
988094	2024-05-24T04:43:40 Z	icyalmond	비밀 (JOI14_secret)	C++17	컴파일 오류	0 ms	0 KB

secret

#include "secret.h"

int pref[1005][15], suf[1005][15], a[1005], mask[1005];

void build(int l, int r, int h)
{
    int m = l + 1 >> 1;
    suf[m][h] = a[m];
    for (int i = m - 1; i >= l; i--) suf[i][h] = Secret(suf[i + 1][h], a[i]);
    pref[m + 1][h] = a[m + 1];
    for (int i = m + 2; i <= r; i++) pref[i][h] = Secret(pref[i - 1][h], a[i]);
    for (int i = m + 1; i <= r; i++) mask[i] |= 1 << h;
    if (l != m) build(l, m, h + 1);
    if (m + 1 != r) build(m + 1, r, h + 1);
}

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

int Query(int L, int R)
{
    if (L == R) return(a[L + 1]);
    else
    {
        L++; R++;
        int l = 1, r = N, h = 0;
        while (l <= r)
        {
            int m = l + r >> 1;
            if (L <= m && m + 1 <= R) return(Secret(suf[L][h], pref{R][h]));
            else if (R <= m)
            {
                r = m;
                h++;
            }
            else if (m + 1 <= L)
            {
                l = m + 1;
                h++;
            }
        }
    }
}

//coded by icyalmond

Compilation message

secret.cpp: In function 'void build(int, int, int)':
secret.cpp:7:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    7 |     int m = l + 1 >> 1;
      |             ~~^~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:33:24: error: 'N' was not declared in this scope
   33 |         int l = 1, r = N, h = 0;
      |                        ^
secret.cpp:36:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   36 |             int m = l + r >> 1;
      |                     ~~^~~
secret.cpp:37:60: error: 'h' was not declared in this scope
   37 |             if (L <= m && m + 1 <= R) return(Secret(suf[L][h], pref{R][h]));
      |                                                            ^
secret.cpp:37:68: error: expected ')' before '{' token
   37 |             if (L <= m && m + 1 <= R) return(Secret(suf[L][h], pref{R][h]));
      |                                                    ~               ^
      |                                                                    )
secret.cpp:37:70: error: expected ')' before ']' token
   37 |             if (L <= m && m + 1 <= R) return(Secret(suf[L][h], pref{R][h]));
      |                                             ~                        ^
      |                                                                      )
secret.cpp:41:17: error: 'h' was not declared in this scope
   41 |                 h++;
      |                 ^
secret.cpp:46:17: error: 'h' was not declared in this scope
   46 |                 h++;
      |                 ^