instratCode/a.cpp at master · aluka1994/instratCode · GitHub

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#include <dirent.h>

#include <sys/stat.h>

#include <string.h>

#include <stdio.h>

#include <iostream>

#include <vector>

#include <algorithm>

#include <fstream>

#include <sstream>

#include <iomanip>

using namespace std;

//I am taking the directory name as default wc_input

//if not we can scan that and send into the function

void getFilesInDir(vector<string> &files){

DIR *dir;

struct dirent *entry;

struct stat info;

string dir_name = "wc_input";

//open

dir = opendir(dir_name.c_str());

if(!dir){

cout << "Please provide the directory...!!" << endl;

return;

}

//read

while( (entry=readdir(dir)) != NULL){

if(entry->d_name[0] != '.'){

string path = dir_name + '/' + string(entry->d_name);

stat(path.c_str(), &info);

if(S_ISREG(info.st_mode))

files.push_back(string(path));

}

//close

closedir(dir);

sort(files.begin(), files.end());

}

double getMedian(std::vector<float> &v, int s){

sort(v.begin(), v.end());

if(s%2){

return v[s/2];

}

else{

return (v[s/2] + v[s/2-1])/2;

}

int main(){

vector<string> files;

getFilesInDir(files);

int size = files.size();

mkdir("wc_output", 0777);

ofstream out_file;

out_file.open("./wc_output/med_result.txt");

double Median = 0.0;

vector<float> input;

int s = 0;

for(int i=0;i<size;i++){

ifstream in_file(files[i].c_str());

string num;

if(!in_file.is_open()){

cout << "Error: Not Entering The File" << endl;

}

float f;

while(getline(in_file, num)){

istringstream ss(num);

ss >> f;

input.push_back(f);

s++;

Median = getMedian(input, s);

out_file << setprecision(1) << fixed << Median << endl;

}

in_file.close();

}

return 0;

}

instratCode/a.cpp at master · aluka1994/instratCode · GitHub

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