converting

[mt106250]

Im getting avgRunsPerSize won't convert it to bool error

error: could not convert ‘avgRunsPerSize’ to ‘bool’

#include "griddy.h"
#include "roomba.h"
#include <iostream>
#include <vector>
#include <fstream>
int main()
{
    const int rooms=20;
	vector<int> avgRunsPerSize; //should probably use a map

	Roomba cosmo(0,0,1,1);

	for (int i=0; i<rooms; i++)
    {
        avgRunsPerSize.push_back(cosmo.CleanRoom(1000));
        cosmo.room.Resize(i+1, i+1);
    }

    std::ofstream output("output.txt");
    for (int runs; avgRunsPerSize;)
    {
        output<<runs<<std::endl;
    }
    output.close();



	return 0;
}

[shadowmouse]

That for loop makes no sense. The syntax for a for loop is
for(initialisation;repeat while true;run at the end of every loop)
for example if I wanted a loop that would run 10 times, I would have
for(int i (0); i < 10; ++i) .
I think what you want is

for(int runs (0); runs < rooms;++runs)
{
  output<<avgRunsPerSize[runs]<<std::endl;
}

[cire]

Or, if you're trying to use the ranged for loop:

    for (int runs: avgRunsPerSize)
        output << runs << '\n';

Note that using std::endl here is probably not appropriate. You don't need the stream flushed every iteration of the loop.