build: main.cpp

main.cpp

@@ -0,0 +1,92 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+const size_t SCREEN_WIDTH = 80;
+const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+int main()
+{
+    size_t number_count;
+    cerr << "Enter number count: ";
+    cin >> number_count;
+
+    vector<double> numbers(number_count);
+    cerr << "Enter numbers: ";
+    for(size_t i = 0; i < number_count; i++){
+        cin >> numbers[i];
+    }
+
+    size_t bin_count;
+    cerr << "Enter bin count: ";
+    cin >> bin_count;
+
+    double min = numbers[0];
+    double max = numbers[0];
+    /*
+    for (size_t x : numbers) {
+        if (x < min) {
+            min = x;
+        }
+        else if (x > max) {
+            max = x;
+        }
+    }
+    */
+    for (size_t i=1; i<number_count; i++){
+            if (numbers[i]<min){
+                min=numbers[i];
+            }
+            else if (numbers[i]>max){
+                max=numbers[i];
+            }
+    }
+    vector<size_t> bins(bin_count);
+    double bin_size = (max-min)/bin_count;
+    for (size_t i = 0; i < number_count; i++) {
+        bool found = false;
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
+            auto lo = min + j * bin_size;
+            auto hi = min + (j + 1) * bin_size;
+            if ( (numbers[i] >= lo) && (numbers[i] < hi) ) {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found) {
+            bins[bin_count-1]++;
+        }
+
+    }
+    size_t max_count = bins[0];
+    for(size_t x: bins){
+        if(x > max_count){
+            max_count = x;
+        }
+    }
+    vector<size_t> heights(bin_count);
+    if (max_count>MAX_ASTERISK){
+        for (size_t i = 0; i < bin_count; i++){
+            heights[i] = MAX_ASTERISK * (static_cast<double>(bins[i]) /max_count);
+        }
+    }
+    else{
+        for (size_t i=0; i<bin_count; i++){
+            heights[i] = bins[i];
+        }
+    }
+    for(size_t i=0; i<bin_count; i++){
+        if (bins[i] < 10){
+            cout << "  " << bins[i] << "|";
+        }
+        else if (bins[i] < 100){
+            cout << " " << bins[i] << "|";
+        }
+        else{
+            cout << bins[i] << "|";
+        }
+        for (size_t j=0; j<heights[i]; j++){
+            cout<<"*";
+        }
+        cout<<"\n";
+    }
+    return 0;
+}