84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdlib.h>
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typedef struct {
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int x;
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int y;
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int count;
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} Coordinates;
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int hat_dist(Coordinates c1, Coordinates c2) {
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return abs(c1.x - c2.x) + abs(c1.y - c2.y);
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}
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int part_1(FILE *input) {
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rewind(input);
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Coordinates coord_list[50] = {0};
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Coordinates *coord = coord_list;
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Coordinates max = { .x = 0, .y = 0 };
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Coordinates min = { .x = 1000, .y = 1000 };
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while(fscanf(input, "%d, %d\n", &(coord->x), &(coord->y)) == 2) {
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if (coord->x > max.x) max.x = coord->x;
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if (coord->y > max.y) max.y = coord->y;
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if (coord->x < min.x) min.x = coord->x;
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if (coord->y < min.y) min.y = coord->y;
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// printf("%d, %d\n", coord->x, coord->y);
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coord++;
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}
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int width = max.x - min.x + 1;
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int height = max.y - min.y + 1;
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// Time to malloc ha haaaaaaa
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char *grid = malloc(width * height * sizeof(char));
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Coordinates curr = {0};
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for(int i = 0; i < width * height; i++) {
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curr.x = i % width + min.x;
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curr.y = i / height + min.y;
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int min_dist = width + height;
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char min_coord_index = 0;
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for(int j = 0; j < 50; j++) {
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int hat = hat_dist(curr, coord_list[j]);
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if (hat == 0) {
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min_dist = hat;
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min_coord_index = -2;
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break;
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} else if (hat < min_dist){
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min_dist = hat;
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min_coord_index = j;
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} else if (hat == min_dist) {
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min_coord_index = -1;
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}
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}
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grid[i] = min_coord_index;
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if(curr.x == min.x) puts("");
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printf("%c", min_coord_index + 'A');
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}
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puts("");
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free(grid);
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return -1;
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}
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int part_2(FILE *input) {
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rewind(input);
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return -1;
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}
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int main() {
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char *input_file_path = "../data/2018/6/input.txt";
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FILE *input = fopen(input_file_path, "r");
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if (input == NULL) {
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printf("Can't open file %s\n", input_file_path);
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return 1;
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}
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printf("Part 1: %d\n", part_1(input));
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printf("Part 2: %d\n", part_2(input));
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fclose(input);
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}
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