Submission #729934

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
729934	2023-04-24T22:23:01 Z	jampm	Secret (JOI14_secret)	C++17	Compilation error	0 ms	0 KB

secret

#include "secret.h"
#include <bits/stdc++.h>
using namespace std;

int const Mxn = 1e3 + 1;
int const LOGN = 13;


int ST[LOGN][Mxn];
int A[Mxn];
int n;

void Secret(int x, int y) {return x + y;}
void build(int L = 0, int R = n, int depth = 0) {
  if (L + 1 == R) {
    ST[depth][L] = A[L]; return;
  }
  int Mid = (L + R)>>1;
  for (int i = Mid; i < R; i++) {
    ST[depth][i] = (i == Mid) ? A[i] : Secret(ST[depth][i - 1], A[i]);
  }
  for (int i = Mid - 1; i >= L; i--) {
    ST[depth][i] = (i == Mid - 1) ? A[i] : Secret(ST[depth][i + 1], A[i]);
  }
  build(L, Mid, depth + 1), build(Mid, R, depth + 1);
}
int query(int l, int r, int L = 0, int R = n, int depth = 0) {
  if (L + 1 == R) return A[L];
  int Mid = (L + R)>>1;
  if (l <= Mid && Mid <= r) return Secret(ST[depth][l], ST[depth][r]);
  if (r < Mid) return query(l, r, L, Mid, depth + 1);
  else return query(l, r, Mid, R, depth + 1);
}

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

int Query(int L, int R) {
  return query(L, R + 1);
}

Compilation message

secret.cpp:13:6: error: ambiguating new declaration of 'void Secret(int, int)'
   13 | void Secret(int x, int y) {return x + y;}
      |      ^~~~~~
In file included from secret.cpp:1:
secret.h:7:5: note: old declaration 'int Secret(int, int)'
    7 | int Secret(int X, int Y);
      |     ^~~~~~
secret.cpp: In function 'void Secret(int, int)':
secret.cpp:13:37: error: return-statement with a value, in function returning 'void' [-fpermissive]
   13 | void Secret(int x, int y) {return x + y;}
      |                                   ~~^~~