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feat(solutions): add print-pyramid/c/function
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challenges/print-pyramid/solutions/c/function/README.md
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challenges/print-pyramid/solutions/c/function/README.md
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# print-pyramid/c/function
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Created by [@Divlo](https://github.com/Divlo) on 29 September 2021.
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challenges/print-pyramid/solutions/c/function/character.c
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challenges/print-pyramid/solutions/c/function/character.c
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#include "character.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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void character_append(char* string, char character) {
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size_t length = strlen(string);
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string[length] = character;
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string[length + 1] = '\0';
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}
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void character_print(char* character, int number_of_times) {
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for (size_t iteration = 0; iteration < number_of_times; iteration++) {
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printf("%s", character);
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}
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}
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challenges/print-pyramid/solutions/c/function/character.h
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challenges/print-pyramid/solutions/c/function/character.h
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#ifndef CHARACTER_H
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#define CHARACTER_H
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/**
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* @brief Append a character to a string, assuming string points to an array
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* with enough space.
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*
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* @param string
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* @param character
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*/
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void character_append(char* string, char character);
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void character_print(char* character, int number_of_times);
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#endif
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challenges/print-pyramid/solutions/c/function/input.c
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challenges/print-pyramid/solutions/c/function/input.c
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#include "input.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "character.h"
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char* input() {
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char character;
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size_t length = 1;
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char* string = malloc(length * sizeof(char));
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*string = '\0';
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while ((character = getchar()) != '\n' && character != EOF) {
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length++;
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string = realloc(string, length * sizeof(char));
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character_append(string, character);
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}
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return string;
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}
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challenges/print-pyramid/solutions/c/function/input.h
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challenges/print-pyramid/solutions/c/function/input.h
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#ifndef INPUT_H
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#define INPUT_H
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/**
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* @brief Read a line from stdin.
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*
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* @return char*
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*/
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char* input();
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#endif
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challenges/print-pyramid/solutions/c/function/solution.c
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challenges/print-pyramid/solutions/c/function/solution.c
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "character.h"
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#include "input.h"
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int main() {
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char* type = input();
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int height;
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scanf("%d", &height);
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int step = strcmp(type, "normal") == 0 ? 1 : height;
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while ((strcmp(type, "normal") == 0 && step <= height) || (strcmp(type, "reverse") == 0 && step != 0)) {
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int numberOfStars = (step * 2) - 1;
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int totalNumberOfLocations = (height * 2) - 1;
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int totalNumberOfSpaces = totalNumberOfLocations - numberOfStars;
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int numberOfSpacesOnEachSide = totalNumberOfSpaces / 2;
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character_print(" ", numberOfSpacesOnEachSide);
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character_print("*", numberOfStars);
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character_print(" ", numberOfSpacesOnEachSide);
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printf("\n");
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step = strcmp(type, "normal") == 0 ? step + 1 : step - 1;
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}
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return EXIT_SUCCESS;
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}
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