aoc_omni/c/2015/1/problem.c

#include <stdio.h>

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

int main() {
  char *input = aoc_read_input();
  int floor = 0;
  int index = 0;
  while (input[index] > 0) {
    if (input[index] == '(') floor++;
    else if(input[index] == ')') floor--;
    index++;
  }

  printf("Part 1: %d\n", floor);

  floor = 0;
  int steps = 0;
  index = 0;

  while (input[index] > 0) {
    if (input[index] == '(') floor++;
    else if(input[index] == ')') floor--;
    steps++;
    if (floor < 0) break;
    index++;
  }

  printf("Part 2: %d\n", steps);
  free(input);
}