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72 строки
1.3 KiB
C++
72 строки
1.3 KiB
C++
#include <iostream>
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#include <vector>
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using namespace std;
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int main(){
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double min,max,lo,hi;
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size_t number_count,bin_count,i,j;
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const size_t SCREEN_WIDTH = 80;
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const size_t MAX_ASTERISK = SCREEN_WIDTH - 4;
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cerr<<"Enter number_count: ";
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cin>>number_count;
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cerr<<"Enter numbers: ";
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vector<double> numbers;
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for(size_t i=0;i<number_count;++i){
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double num;
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cin>>num;
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numbers.push_back(num);
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}
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cerr<<"Enter bin_count: ";
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cin>>bin_count;
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vector<size_t> bins(bin_count);
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min=numbers[0];
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max=numbers[0];
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for(i=0;i<number_count;i++){
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if (numbers[i]<min){
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min=numbers[i];
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}
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else if (numbers[i]>max){
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max=numbers[i];
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}
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}
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double bin_size=(max-min)/bin_count;
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for (size_t i=0;i<number_count;i++){
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bool found = false;
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for (size_t j=0;(j<bin_count - 1) && !found; j++){
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lo = min + j*bin_size;
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hi = min + (j+1)*bin_size;
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if ((lo <= numbers[i])&&(numbers[i]<hi)){
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bins[j]++;
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found = true;
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}
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}
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if(!found){
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bins[bin_count - 1]++;
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}
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}
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size_t max_count = 0;
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for(i=0;i<bin_count;i++){
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if (bins[i]>MAX_ASTERISK){
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max_count=bins[i];
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}
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}
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for(i=0;i<bin_count;i++){
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if(bins[i]<100){
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cout<<" ";
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}
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if(bins[i]<10){
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cout<<" ";
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}
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cout<<bins[i]<<"|";
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if(max_count==0){
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for(j=0;j<bins[i];j++){
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cout<<"*";
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}}
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else{
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size_t height = MAX_ASTERISK*(static_cast<double>(bins[i])/max_count);
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for(j=0;j<height;j++){
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cout<<"*";
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}
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}
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cout<<endl;
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}}
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