Submission #1260161

#	Time	Username	Problem	Language	Result	Execution time	Memory
1260161		Seyyed_Mojtaba_Mortazavi	코알라 (APIO17_koala)	C++20	Compilation error	0 ms	0 KiB

koala

#include "koala.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 5e5 + 10;

int minValue(int n, int w)
{
	int b[n];
	int r[n];
	memset(b, 0, sizeof(b));
	b[0] = 1;
	playRound(b, r);
	for (int i = 0; i < n; i++)
	{
		if (b[i] >= r[i])
			return i;
	}
}

int maxValue(int n, int w)
{
	int b[n];
	int r[n];
	vector <int> mx;
	for (int i = 0; i < n; i++)
		mx.push_back(i);
	while (mx.size() > 1)
	{
		memset(b, 0, sizeof(b));
		int tmp = w / mx.size();
		for (auto i : mx)
			b[i] = tmp;
		playRound(b, r);
		mx.clear();
		for (int i = 0; i < n; i++)
		{
			if (r[i] > tmp)
				mx.push_back(i);
		}
	}
	return mx[0];
}

int greaterValue(int n, int w)
{
	int b[n];
	int r[n];
	memset(b, 0, sizeof(b));
	int l = 1, r = 11;
	while (r - l > 1)
	{
		int mid = (l + r) >> 1;
		b[0] = b[1] = mid;
		playRound(b, r);
		if (r[0] > b[0] && r[1] > b[1])
			l = mid;
		else if (r[0] <= b[0] && r[1] <= b[1])
			r = mid;
		else
			return r[0] < r[1];
	}
}

void allValues(int n, int w, int *p)
{

}

Compilation message (stderr)

koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:51:20: error: conflicting declaration 'int r'
   51 |         int l = 1, r = 11;
      |                    ^
koala.cpp:49:13: note: previous declaration as 'int r [n]'
   49 |         int r[n];
      |             ^
koala.cpp:52:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   52 |         while (r - l > 1)
      |                ~~~~~~^~~
koala.cpp:54:35: error: invalid operands of types 'int*' and 'int' to binary 'operator>>'
   54 |                 int mid = (l + r) >> 1;
      |                           ~~~~~~~ ^~ ~
      |                              |       |
      |                              int*    int
koala.cpp:60:27: error: incompatible types in assignment of 'int' to 'int [n]'
   60 |                         r = mid;
      |                         ~~^~~~~
koala.cpp: In function 'int minValue(int, int)':
koala.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type]
   20 | }
      | ^
koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:64:1: warning: control reaches end of non-void function [-Wreturn-type]
   64 | }
      | ^