제출 #125931

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
125931		AlexLuchianov	비밀 (JOI14_secret)	C++14	컴파일 에러	0 ms	0 KiB

secret

#include <secret.h>

int const nmax = 1000;

//int Secret(int X, int Y)

int dp[1 + nmax][1 + nmax];
int v[1 + nmax];

void compute(int from, int to){
  int mid = (from + to) / 2;
  compute(from, mid);
  compute(mid + 1, to);
  for(int i = mid - 1; from <= i; i--){
    if(dp[i][mid] == -1)
      dp[i][mid] = Secret(A[i], dp[i + 1][mid]);
  }
  for(int i = mid + 2; i <= to; i++)
    if(dp[mid + 1][i] == -1)
      dp[mid + 1][i] = Secret(dp[mid + 1][i - 1], A[i]);
}
int n;

void Init(int N, int A[]){
  n = N;
  for(int i = 0; i < n; i++)
    v[i] = A[i];

  for(int i = 0;i < N; i++)
    for(int j = i; j < N; j++)
      dp[i][j] = -1;
  for(int i = 0; i < n; i++)
    dp[i][i] = A[i];
  compute(0, N - 1);
}

int ask(int from, int to, int x, int y){
  int mid = (from + to)/ / 2;
  if(x <= mid && mid + 1 <= y)
    return Secret(dp[x][mid], dp[mid + 1][y]);
  else {
    if(y <= mid)
      return ask(from, mid, x, y);
    else
      return ask(mid + 1, to, x, y);
  }
}

int Query(int L, int R) {
  return ask(0, n - 1, L, R);
}

컴파일 시 표준 에러 (stderr) 메시지

secret.cpp: In function 'void compute(int, int)':
secret.cpp:16:27: error: 'A' was not declared in this scope
       dp[i][mid] = Secret(A[i], dp[i + 1][mid]);
                           ^
secret.cpp:20:51: error: 'A' was not declared in this scope
       dp[mid + 1][i] = Secret(dp[mid + 1][i - 1], A[i]);
                                                   ^
secret.cpp: In function 'int ask(int, int, int, int)':
secret.cpp:38:26: error: expected primary-expression before '/' token
   int mid = (from + to)/ / 2;
                          ^