Submission #624465

#	Time	Username	Problem	Language	Result	Execution time	Memory
624465		erto	Secret (JOI14_secret)	C++17	Compilation error	0 ms	0 KiB

secret

#include "secret.h"

int n;
int ans[1005][1005];

void calc(int lb, int rb, int A[]){
    int mid = (lb + rb) / 2;
    if(lb == rb)return;

    ans[mid][mid] = A[mid - 1];
    for(int i=mid - 1; i>=lb; i--){
        ans[mid][i] = Secret(A[i - 1], ans[mid][i + 1]);
    }
    ans[mid + 1][mid + 1] = A[mid];
    for(int i=mid + 2; i<=rb; i++){
        ans[mid + 1][i] = Secret(ans[mid + 1][i - 1], A[i - 1]);
    }

    calc(lb, mid, A[]);
    calc(mid + 1, rb, A[]);
}

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

int Query(int L, int R){
    L++;
    R++;
    int a = 1, b = n;
    if(L == R)return A[L - 1];
    else{
        while(a < b){
            int mid = (a + b) / 2;
            if(L <= mid && mid < R){
                return Secret(ans[mid][L], ans[mid][R]);
            }
            else if(mid == R){
                return ans[mid][L];
            }
            else if(mid < L){
                a = mid + 1; 
            }
            else{
                l = mid;
            }
        }
    }
}
 
signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int T = 1;
   // cin>>T;
    while (T--){
        solve();
    }
}

Compilation message (stderr)

secret.cpp: In function 'void calc(int, int, int*)':
secret.cpp:19:21: error: expected primary-expression before ']' token
   19 |     calc(lb, mid, A[]);
      |                     ^
secret.cpp:20:25: error: expected primary-expression before ']' token
   20 |     calc(mid + 1, rb, A[]);
      |                         ^
secret.cpp: In function 'int Query(int, int)':
secret.cpp:32:22: error: 'A' was not declared in this scope
   32 |     if(L == R)return A[L - 1];
      |                      ^
secret.cpp:46:17: error: 'l' was not declared in this scope
   46 |                 l = mid;
      |                 ^
secret.cpp: In function 'int main()':
secret.cpp:53:5: error: 'ios_base' has not been declared
   53 |     ios_base::sync_with_stdio(0);
      |     ^~~~~~~~
secret.cpp:54:5: error: 'cin' was not declared in this scope
   54 |     cin.tie(0);
      |     ^~~
secret.cpp:58:9: error: 'solve' was not declared in this scope
   58 |         solve();
      |         ^~~~~