제출 #1306866

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1306866		mncuchiinhuttt	비밀 (JOI14_secret)	C++20	컴파일 에러	0 ms	0 KiB

secret

#include "secret.h";

int n;
int dnc[N][N];

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

void Init(int N, int A[]) {
    n = N;
    go(0, n - 1, A);
}

int Query(int L, int R) {
    int a = 0, b = n - 1;
    while (a != b) {
        int mid = (a + b) >> 1;
        if (L <= mid and mid < R) {
            return Secret(dnc[L][mid], dnc[mid + 1][R]);
        } else if (mid == R) {
            return dnc[mid][L];
        } else if (mid < L) {
            a = mid + 1;
        } else {
            b = mid;
        }
    }
    return dnc[L][L];
}

컴파일 시 표준 에러 (stderr) 메시지

secret.cpp:1:20: warning: extra tokens at end of #include directive
    1 | #include "secret.h";
      |                    ^
secret.cpp:4:9: error: 'N' was not declared in this scope
    4 | int dnc[N][N];
      |         ^
secret.cpp:4:12: error: 'N' was not declared in this scope
    4 | int dnc[N][N];
      |            ^
secret.cpp: In function 'void go(int, int, int*)':
secret.cpp:9:5: error: 'dnc' was not declared in this scope
    9 |     dnc[mid][mid] = A[mid];
      |     ^~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:32:27: error: 'dnc' was not declared in this scope
   32 |             return Secret(dnc[L][mid], dnc[mid + 1][R]);
      |                           ^~~
secret.cpp:34:20: error: 'dnc' was not declared in this scope
   34 |             return dnc[mid][L];
      |                    ^~~
secret.cpp:41:12: error: 'dnc' was not declared in this scope
   41 |     return dnc[L][L];
      |            ^~~