code. compile. run. debug. share.
Source Code
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/******************************************************************************
Online C++ Compiler.
Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.
*******************************************************************************/
#include <iostream>
#include <math.h>
using namespace std;
bool withinLevelBounds(int nReduction, int nLevel)
{
if (((nReduction * nReduction + nReduction) >> 1) > nLevel)
return false;
nReduction += 1;
if (((nReduction * nReduction + nReduction) >> 1) <= nLevel)
return false;
return true;
}
int GetBlockSubsidy(int nHeight)
{
if (nHeight == 0)
{
return 400000000;
}
else if (nHeight <= 5100)
{
return 1;
}
else if (nHeight <= 55000)
{
int l = nHeight - 5000;
int nLevel = 0;
for (int i = 0; i < l; i+=100)
{
nLevel++;
}
return nLevel;
}
int nStartingSubsidy = 500;
int nLevel = (nHeight - 55001) / 32;
int nReduction = ((-1 + (int)sqrt((8 * nLevel) + 1)) / 2);
while (!(withinLevelBounds(nReduction, nLevel)))
{
if (((nReduction * nReduction + nReduction) >> 1) > nLevel)
{
nReduction--;
}
else
{
nReduction++;
}
}
int nSubsidyReduction = nReduction;
if (nSubsidyReduction >= nStartingSubsidy)
return 0;
return nStartingSubsidy - nSubsidyReduction;
}
int main()
{
int reward = 1;
int supply = 0;
int i = 0;
while(reward > 0)
{
reward = GetBlockSubsidy(i);
supply += reward;
i++;
}
cout << i << endl;
cout << supply;
return 0;
}
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