strutingready

main.cpp

@@ -2,162 +2,88 @@
 #include <vector>
 using namespace std;
 
-int main()
+struct Input
+{
+    vector<double> numbers;
+    size_t bin_count;
+};
+Input
+input_data()
 {
-    const size_t SCREEN_WIDTH = 80;
-    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
-    unsigned int n;
-    size_t m;
-    int i;
-    char sim;
-    float lo,hi,dif, maxxs,minxs;
-    cerr<< "enter amount of numbers";
-    cin>>n;
-    vector <float> xs(n);
-    cerr<<"let's introduse array";
-    for(i=0; i < n; i++)
+    size_t number_count;
+    cin >> number_count;
+    Input in;
+    in.numbers.resize(number_count);
+    for (size_t i = 0; i < number_count; i++)
     {
-        cin>> xs[i];
+        cin >> in.numbers[i];
     }
-    cerr << "enter amount of intervals";
-    cin >> m;
-    vector <size_t> b(m);
-    maxxs = minxs = xs[0];
-    for (i=0; i < n; i++)
+    size_t bin_count;
+    cin >> bin_count;
+    return in;
+}
+
+void
+find_minmax(const vector<double>& numbers, double& min, double& max)
+{
+    min = numbers[0];
+    max = numbers[0];
+    for ( size_t i=0; i < numbers.size(); i++)
     {
-        if (xs[i] > maxxs) maxxs=xs[i];
-        if (xs[i] < minxs) minxs=xs[i];
+        if (numbers[i] > max) max=numbers[i];
+        if (numbers[i] < min) min=numbers[i];
     }
-    dif=(maxxs - minxs)/m;
-    for(int i=0; i < n; i++)
+};
+
+std::vector<long long unsigned int>
+make_histogram(const vector<double>& numbers,size_t bin_count)
+{
+    float lo,hi,dif;
+    double min, max;
+    find_minmax(numbers, min, max);
+    vector <size_t> bins(bin_count) ;
+    dif=(max - min)/bin_count;
+    for(int i=0; i < numbers.size(); i++)
     {
         bool found = false;
-        for (int j=0; (j < m-1)&&!found; j++)
+        for (int j=0; (j < bin_count-1)&&!found; j++)
         {
-            lo= minxs + j*dif;
-            hi= minxs + (j+1)*dif;
-            if ((lo <= xs[i]) && (xs[i] <hi ))
+            lo= min + j*dif;
+            hi= min + (j+1)*dif;
+            if ((lo <= numbers[i]) && (numbers[i] <hi ))
             {
-                b[j]++;
+                bins[j]++;
                 found = true;
             }
         }
         if (!found)
         {
-            b[m - 1]++;
+            bins[bin_count - 1]++;
         }
     }
-    size_t bmax,height,hem,hep;
-    int ibmax;
-    bmax=b[0];
-    for (i=0; i < m; i++)
-    {
-        if (b[i] > bmax) bmax=b[i];
-        ibmax = i;
-    }
-    //cout<<bmax<<endl;
-    if (bmax > MAX_ASTERISK)
+    return bins;
+}
+void show_histogram_text(vector <size_t> &bins)
+{
+    for (size_t i=0; i<bins.size(); i++)
     {
-        for(int j=0; j < m; j++)
+        if (bins[i]!=0)
         {
-            if (b[j]<100)
-            {
-                cout<<" ";
-            }
-            if (b[j]<10)
+            cout<<bins[i]<<" | "  ;
+            for (size_t j=0; j<bins[i]; j++)
             {
-                cout<<" ";
-            }
-
-            height = 76 * ( static_cast<double>(b[j]) / bmax);
-            hem = 76 * ( static_cast<double>(b[j-1]) / bmax);
-            hep = 76 * ( static_cast<double>(b[j+1]) / bmax);
-            cout<<b[j]<<'|';
-
-            if (j==0)
-            {
-                for (int u=0; u < height; u++)
-                {
-                    if ((b[0] > b[1])&&(u == hep - 1)) cout<<'v';
-                    else cout<<'*';
-                }
-            }
-            else
-            {
-                if (j == m)
-                {
-
-                    for (int u = 0; u < height; u++)
-                    {
-                        if ((b[m] > b[m-1])&&(u == hem-1)) cout<<'^';
-                        else cout<<'*';
-                    }
-                }
-                else
-                {
-                    for (int u=0; u < height; u++)
-                    {
-                        sim='*';
-                        if ((b[j] > b[j-1]) && (u == hem)) sim='^';
-                        if ((b[j] > b[j+1])&&(u == hep)&&(u != height)&&(u != 0)) sim='V';
-                        if ((b[j-1] == b[j+1])&&(u == hep)) sim='N';
-                        cout<<sim;
-                    }
-
-                }
+                cout<<"*";
             }
             cout<<endl;
         }
     }
-    for(int j=0; j < m; j++)
-        {
-            if (b[j]<100)
-            {
-                cout<<" ";
-            }
-            if (b[j]<10)
-            {
-                cout<<" ";
-            }
-
-            height = 76 * ( static_cast<double>(b[j]) / bmax);
-            hem = 76 * ( static_cast<double>(b[j-1]) / bmax);
-            hep = 76 * ( static_cast<double>(b[j+1]) / bmax);
-            cout<<b[j]<<'|';
-
-            if (j==0)
-            {
-                for (int u=0; u < b[i]; u++)
-                {
-                    if ((b[0] > b[1])&&(u == b[i+1] - 1)) cout<<'v';
-                    else cout<<'*';
-                }
-            }
-            else
-            {
-                if (j == m)
-                {
+}
+int main()
+{
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_text(bins);
 
-                    for (int u = 0; u < b[i]; u++)
-                    {
-                        if ((b[m] > b[m-1])&&(u == b[i-1]-1)) cout<<'^';
-                        else cout<<'*';
-                    }
-                }
-                else
-                {
-                    for (int u=0; u < b[i]; u++)
-                    {
-                        sim='*';
-                        if ((b[j] > b[j-1]) && (u == b[i-1])) sim='^';
-                        if ((b[j] > b[j+1])&&(u == b[i+1])&&(u != b[i])&&(u != 0)) sim='V';
-                        if ((b[j-1] == b[j+1])&&(u == b[i+1])) sim='N';
-                        cout<<sim;
-                    }
 
-                }
-            }
-            cout<<endl;
-        }
     return 0;
 }