code: зеркальный вывод
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18
main.cpp
18
main.cpp
@@ -6,20 +6,22 @@
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using namespace std;
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struct Input {
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struct Input
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{
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vector<double> numbers;
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size_t bin_count{};
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};
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Input
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input_data() {
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input_data()
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{
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size_t number_count;
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cerr << "Enter number count: ";
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cin >> number_count;
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Input in;
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in.numbers.resize(number_count);
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cerr << "Enter numbers: ";
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for (size_t i = 0; i < number_count; i++) {
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for (size_t i = 0; i < number_count; i++)
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{
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cin >> in.numbers[i];
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}
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cerr << "Enter bin count: ";
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@@ -27,9 +29,9 @@ input_data() {
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return in;
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}
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int
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main() {
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auto in = input_data();
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auto bins = make_histogram(in.numbers, in.bin_count);
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int main()
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{
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Input in = input_data();
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vector<size_t> bins = make_histogram(in.numbers, in.bin_count);
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show_histogram_svg(bins);
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}
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30
svg.cpp
30
svg.cpp
@@ -4,18 +4,15 @@
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#include "svg.h"
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using namespace std;
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void
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svg_text(double left, double baseline, string text) {
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void svg_text(double left, double baseline, string text) {
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cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
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}
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void
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svg_rect(double x, double y, double width, double height) {
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void svg_rect(double x, double y, double width, double height) {
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cout << "<rect x='" << x<< "' y='" << y<< "' width='" << width<< "' height='" << height<< "' />\n";
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}
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void
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svg_begin(double width, double height) {
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void svg_begin(double width, double height) {
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cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
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cout << "<svg ";
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cout << "width='" << width << "' ";
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@@ -24,28 +21,31 @@ svg_begin(double width, double height) {
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cout << "xmlns='http://www.w3.org/2000/svg'>\n";
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}
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void
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svg_end() {
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void svg_end() {
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cout << "</svg>\n";
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}
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void
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show_histogram_svg(const vector<size_t>& bins) {
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void show_histogram_svg(const vector<size_t>& bins) {
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const auto IMAGE_WIDTH = 400;
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const auto IMAGE_HEIGHT = 300;
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const auto TEXT_LEFT = 20;
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const auto TEXT_BASELINE = 20;
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const auto TEXT_WIDTH = 50;
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const auto BIN_HEIGHT = 30;
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const auto BLOCK_WIDTH = 10;
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svg_begin(400, 300);
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double top = 0;
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size_t max_bin = 0;
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for (size_t bin : bins) {
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if (bin > max_bin) {
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max_bin = bin;
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}
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}
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for (size_t bin : bins) {
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const double bin_width = BLOCK_WIDTH * bin;
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
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const double text_left = BLOCK_WIDTH * max_bin;
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const double rect_left = text_left - bin_width;
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svg_rect(rect_left, top, bin_width, BIN_HEIGHT);
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svg_text(text_left, top + TEXT_BASELINE, to_string(bin));
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top += BIN_HEIGHT;
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}
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svg_end();
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}
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45
text.cpp
45
text.cpp
@@ -3,51 +3,56 @@
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using namespace std;
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void
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show_histogram_text(const vector<size_t>& bins){
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void show_histogram_text(const vector<size_t>& bins) {
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const size_t SCREEN_WIDTH = 80;
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const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
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auto bin_count = bins.size();
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size_t max_count = 0;
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for (size_t i = 0; i < bin_count; i++){
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for (size_t i = 0; i < bin_count; i++) {
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size_t Count = bins[i];
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if (max_count < Count){
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if (max_count < Count) {
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max_count = Count;
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}
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}
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if (max_count <= MAX_ASTERISK){
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for (size_t i = 0; i < bin_count; i++){
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if (max_count <= MAX_ASTERISK) {
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for (size_t i = 0; i < bin_count; i++) {
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size_t Count = bins[i];
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if (Count < 100){
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for (size_t j = 0; j < max_count - Count; j++){
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cout << " ";
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}
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if (Count < 10){
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cout << " ";
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}
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cout << Count << "|";
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for (size_t j = 0; j < Count; j++){
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cout << "*";
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}
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cout << "\n";
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cout << "|";
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if (Count < 100) {
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cout << " ";
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}
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if (Count < 10) {
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cout << " ";
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}
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cout << Count << "\n";
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}
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}
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else{
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for (size_t i = 0; i < bin_count; i++){
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else {
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for (size_t i = 0; i < bin_count; i++) {
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size_t Count = bins[i];
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size_t height = 76 * (static_cast<double>(Count) / max_count);
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if (Count < 100){
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for (size_t j = 0; j < max_count - height; j++){
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cout << " ";
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}
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if (Count < 10){
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cout << " ";
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}
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cout << Count << "|";
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for (size_t j = 0; j < height; j++){
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cout << "*";
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}
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cout << "\n";
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cout << "|";
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if (Count < 100) {
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cout << " ";
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}
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if (Count < 10) {
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cout << " ";
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}
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cout << Count << "\n";
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}
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}
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}
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@@ -35,3 +35,10 @@ TEST_CASE("one number") {
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CHECK(min == 2);
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CHECK(max == 2);
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}
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