Submission #1095667

#	Time	Username	Problem	Language	Result	Execution time	Memory
1095667		idiotcomputer	cmp (balkan11_cmp)	C++11	Compilation error	0 ms	0 KiB

cmp

#include "cmp.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(x) (int) (x).size()

int ch[6] = {1, 5, 22, 87, 344, 1369};
int pow[6] = {1,4,16,64,256,1024};
void remember(int value){
	int s = 0;
	for (int i = 0; i < 6; i++){
		s += pow[i] * (value%4);
		bit_set(s+ch[i]);
		value = value/4;
	}
}

int compare(int value){
	vector<int> res(6);
	vector<int> cbit(6);
	int s = 0;
	for (int i = 0; i < 6; i++){
		s += pow[i] * (value%4);
		res[i] = s;
		cbit[i] = value%4;
		value = value/4;
	}

	int n = sz(res);
	int l = -1;
	int r = n;
	while (r-l>1){
		x = (l+r)/2;
		if (bit_get(res[x]+ch[x])) l = x;
		else r = x;
	}
	l++;
	if (l == n) return 0;
	if (cbit[l] == 0) return -1;
	if (cbit[l] == 3) return 1;
	if (cbit[l] == 1){
		x = 0;
		if (l > 0) x = res[l-1];
		if (bit_get(x+ch[l])) return 1;
		return -1;
	}
	x = 0;
	if (l > 0) x = res[l-1];
	x += pow[l]*3;
	if (bit_get(x+ch[l])) return -1;
	return 1;
}

Compilation message (stderr)

cmp.cpp:8:10: error: 'int pow [6]' redeclared as different kind of entity
    8 | int pow[6] = {1,4,16,64,256,1024};
      |          ^
In file included from /usr/include/features.h:461,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/c++config.h:518,
                 from /usr/include/c++/10/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from cmp.cpp:2:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:140:1: note: previous declaration 'double pow(double, double)'
  140 | __MATHCALL_VEC (pow,, (_Mdouble_ __x, _Mdouble_ __y));
      | ^~~~~~~~~~~~~~
cmp.cpp: In function 'void remember(int)':
cmp.cpp:12:11: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   12 |   s += pow[i] * (value%4);
      |           ^
cmp.cpp: In function 'int compare(int)':
cmp.cpp:23:11: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   23 |   s += pow[i] * (value%4);
      |           ^
cmp.cpp:33:3: error: 'x' was not declared in this scope
   33 |   x = (l+r)/2;
      |   ^
cmp.cpp:42:3: error: 'x' was not declared in this scope
   42 |   x = 0;
      |   ^
cmp.cpp:47:2: error: 'x' was not declared in this scope
   47 |  x = 0;
      |  ^
cmp.cpp:49:10: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   49 |  x += pow[l]*3;
      |          ^