aoc_omni/c/2022/1/calorie_counting.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "../../lib/aoc.h"

int main() {
  int current_cals = 0;
  int current_elf = 0;
  int max_elf = 0;
  int second_max_elf = 0;
  int third_max_elf = 0;

  char *line;

  while ((line = aoc_read_line()) != NULL) {
    if (strlen(line) == 0) {
      if (current_elf > max_elf) {
	int z = current_elf;
	current_elf = max_elf;
	max_elf = z;
      }

      if (current_elf > second_max_elf) {
	int z = current_elf;
	current_elf = second_max_elf;
	second_max_elf = z;
      }

      if (current_elf > third_max_elf) {
	int z = current_elf;
	current_elf = third_max_elf;
	third_max_elf = z;
      }

      current_elf = 0;
    } else {
      current_cals = atoi(line);
      current_elf += current_cals;
    }
  }

  printf("Part 1: %d\n", max_elf);
  printf("Part 2: %d\n", max_elf + second_max_elf + third_max_elf);

  aoc_free();
  return 0;
}