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feat(solutions): add single-number/c/function

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This commit is contained in:
Théo LUDWIG 2023-08-21 23:11:33 +02:00
parent c49f8e1c61
commit 25c07b1858
Signed by: theoludwig
GPG Key ID: ADFE5A563D718F3B
3 changed files with 37 additions and 9 deletions
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18
challenges/find-outlier-number/solutions/c/function/solution.c
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@ -6,13 +6,13 @@ bool is_odd(int number) {
return number % 2 == 1; return number % 2 == 1;
} }
int find_outlier_number(int* numbers, size_t length) { int find_outlier_number(int* numbers, size_t numbers_size) {
int outlier_number; int outlier_number;
int* odd_numbers = malloc(length * sizeof(int)); int* odd_numbers = malloc(numbers_size * sizeof(int));
int* even_numbers = malloc(length * sizeof(int)); int* even_numbers = malloc(numbers_size * sizeof(int));
size_t odd_length = 0; size_t odd_length = 0;
size_t even_length = 0; size_t even_length = 0;
for (size_t index = 0; index < length; index++) { for (size_t index = 0; index < numbers_size; index++) {
if (is_odd(numbers[index])) { if (is_odd(numbers[index])) {
odd_numbers[odd_length] = numbers[index]; odd_numbers[odd_length] = numbers[index];
odd_length++; odd_length++;
@ -32,16 +32,16 @@ int find_outlier_number(int* numbers, size_t length) {
} }
int main() { int main() {
size_t length = 0; size_t numbers_size = 0;
int number; int number;
int* numbers = malloc(sizeof(int)); int* numbers = malloc(sizeof(int));
do { do {
scanf("%d", &number); scanf("%d", &number);
numbers = realloc(numbers, sizeof(int) * (length + 1)); numbers = realloc(numbers, sizeof(int) * (numbers_size + 1));
numbers[length] = number; numbers[numbers_size] = number;
length++; numbers_size++;
} while (fgetc(stdin) != EOF); } while (fgetc(stdin) != EOF);
printf("%d\n", find_outlier_number(numbers, length)); printf("%d\n", find_outlier_number(numbers, numbers_size));
free(numbers); free(numbers);
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }

3
challenges/single-number/solutions/c/function/README.md Normal file
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@ -0,0 +1,3 @@
# single-number/c/function
Created by [@theoludwig](https://github.com/theoludwig) on 21 August 2023.

25
challenges/single-number/solutions/c/function/solution.c Normal file
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@ -0,0 +1,25 @@
#include <stdio.h>
#include <stdlib.h>
int single_number(int* numbers, size_t numbers_size) {
int result = numbers[0];
for (size_t index = 1; index < numbers_size; index++) {
result = result ^ numbers[index];
}
return result;
}
int main() {
size_t numbers_size = 0;
int number;
int* numbers = malloc(sizeof(int));
do {
scanf("%d", &number);
numbers = realloc(numbers, sizeof(int) * (numbers_size + 1));
numbers[numbers_size] = number;
numbers_size++;
} while (fgetc(stdin) != EOF);
printf("%d\n", single_number(numbers, numbers_size));
free(numbers);
return EXIT_SUCCESS;
}