Day 20: Add C solution
This commit is contained in:
parent
7a2aa865cc
commit
cebe7ca14f
GPG Key ID:
72E154B8622EC191
|
|
@ -0,0 +1,102 @@
|
|||
#..##.##.##..#.#.####.##..#..###.#..####.#.#....##....#....#...##.#.#.##...#.##.#...#.##..##.#....#...###.#.##.#..#..#..######..#....#.###..#....##.##..........#.#..###.......####..#...###.#.###...#####....##...##..##......#.#......#..#..#.#.......#.##.###.....##.#.#....##.#####.###.....#..###...###..##.##.#.#...#.##.###.###.#.....#.####..#..##....##.#.#.###...##.#.#.#...#.#####.......#..##......#..##.###.##.####.#.#..#...######...####...#.##.#...#....#.......##..#.#....###.#...#.##...#.#.......#.#....#.#..
|
||||
|
||||
#....#..##..##.....##..####.#....####.##......##.##.##..#..#..#....###...##.#######.####.#..#.######
|
||||
.####.#....##.#...##.......#...####.#.#.###.#.#..####..###.#####.##.##..........#..##.#...#...#..###
|
||||
#######..#....##...#....##...#..###.##.#.#.#.####.###..##.#....#.#####...#..#...####...#..#..#.#..##
|
||||
##..##.##.##..######.#.....##..#..#.#.#..#..####......#..#......##.#.##.###.###.##.##########.#.#.#.
|
||||
#..##.#.#...#..#.####.###....###..##.#.###.##..##...#..####.##.####.#####..#..#..#.#.#...#..#.#.###.
|
||||
.##...###....###..#..##.#..##...#.###.#.##...#....##..#.....#.##.##......#.##..#.#....##...###.##..#
|
||||
###..#.###.#..#...###.####.#.....##.#..#####.##..#.........#.##.#..#.#...#..##.#.##.#.##.#.######..#
|
||||
..###..##.#.##.....#....#.#..####..#...#####.....##########..###........#.##.#.#.#...#.....##..#..#.
|
||||
#.....###..#.#..#..#.##..####.#.#......##.#..####.##.#...#.#.##.#....###.#...##....#.#.##.#.##.#####
|
||||
##..###..#####.#..#.#.##.#####.######.##..##..##..#..#..######.#.#.###..#..##..##.#..##..###.####.#.
|
||||
####..#..#..#..#.#.#.#.#.##.#..#...##.##.#.#.###...###.#.##...###.#.#.#.##.#...###...####..##......#
|
||||
.###.#......#..#..####.....#####.#.##.....#...#.#.#####.#.#..#####.##........#...#.###.#...#.#.##...
|
||||
........######..####..##.#..##.#.#...#....##.#..#..#####.#######..##....#.####.########..#......#..#
|
||||
##.##..#...##.#..##....##.#.........#..#.#.#######.##.#..##...#.##.###.##.#.#...#.######.##...#####.
|
||||
.##.#.#####......#.##.#.#.#..#......#.#..#....####.#.#..#.#..#..##.#.#..###.##.#########..#...#.####
|
||||
.###.##......###..#..##.#.##.###.##.##.#####.#.#.#.#.##....#.#.###.######.#............###.###..##.#
|
||||
.########.#.#...###.##...#...##..##.##..#..#..##...##..##.....#...#.#...#..#.##..#.####..#...#..#...
|
||||
#.##...#.#.##.####..##.##.......#.#.#.######.#..##.##..#.#.##..##....###..#.#.#.##.##..#.###.###....
|
||||
#..#..##.##.##.#...##.#....##.#..##...#.##..#.##....###...#..###..#.######..###.#.#.#..###.##.###..#
|
||||
.##..#.##.#..#.#.#.#.#..#.###.###.##.#..##.#.#..##.#.#.#...#..#.###..###.##.#.#..#####.#..##.##...#.
|
||||
#..###..#.##..#.####...##..#.#.#...####...##.....#..#.#.#.......##.#..##.#..#..#.....###..#########.
|
||||
##..####...#.##.#.##.#######.##...#..#.#.#.#..##.#.....###...###.#..##.#..#..##.....###...#.##.##.##
|
||||
.##.#.##.#.#.#.###...###..###.######............##.###.###.#.####..##....#.##.#.#..#.######....#.#..
|
||||
###.##.....##..#.###..##...##.#...#..#..#.##.#.#.##.##...##.##.#.#..#.#......#.####...###..#.#..#.##
|
||||
##.#....#.###..#.#.#.##...#..#..#.######..#.#..#...#...#.#.#.#..#.##..#.#....##.....#.#.#.#.##.#.###
|
||||
####....#.####.###.#...##...##.#.#..........#..##.##...###..#.##...###.#.#.#...##.##......###.##...#
|
||||
...#.#..#.#.#######..#..#...#.##.##.#.....#####.##...#..##...#..##..###......#...#..###.##.##....###
|
||||
#...#..#..#....###..##.....###.###.#...#..##.###..##.##.#.##.#.##......#.#...#.####..#.#..#########.
|
||||
...#......#.###.#..###..####...###..#......#.##..#..#.#.#.#.....##.#...#......#.#####.###..#..#.###.
|
||||
.##...###.##.###....##..#..#..#####..##.##.#.####..##.#..####.###..###.#.###.#..#####...#.####.##...
|
||||
#.#.##........#..#...##.##..#..####.####.#..#..###.###.#...#..###.####.####.##.##..#.#.##.###..#.###
|
||||
....#......#.####....#######.#.####..#.##...#.###.....##.##.#.#..#.##..#..#...##.#..........#...#...
|
||||
##.##.#.#########.####.###.#...#....#.###.###.#..###.#...###.#...###.###..##.##...#.#..#.#######..#.
|
||||
##.......#.##.##.###.#.####.#..#.#......##.###.###.###.........######...#.#####.#...##.#..#.#.##..##
|
||||
#.#..###..#..#..#..#..#..#.#..#......###...#####...#.#.#.#####..#.......#....###.#.#...##..##..##.##
|
||||
##.....##....##.#####..#####.#..#...#.#..####...#.###..#####..##..##......#........##.#..##...##..#.
|
||||
###..#..#...#....##.###..##.##.#.#.####.#.####.##...#.....######.#....#.#.#.......###.....######.###
|
||||
#.#.##..###..###..#.#.##.#.#.##..#..#..#.#.######.#.#.#...#.#.#.##.#.#....#....###.#.#...###...#.##.
|
||||
....#..#.#..###.##.##.#####..###...##.#####...#.....#.##.##.###.##.#.##....##.#.#.######.##.###..##.
|
||||
.###.#..##..##.###.#.#.#....###..#.##..##...#.#####.#.#..##....##....####.#..####..##.#....##..#.###
|
||||
#.#..##...#...##...####..####..###..##.#.#.##..###..#.####..###.#.#...#...#....##...##..#...###.#..#
|
||||
#...#.##..##.####..#..#.....#.##.#####.##.......###.#...###.#..#..#....##.#...####..#...###...#.###.
|
||||
#..###..####.#.#.####...##.#......#.####.##.#..##...#.##...##.##...###..#..##.#..#...###.#..###.#.#.
|
||||
.###..#.##.##.#.#...#.#.#.#.###.#.#...#.##..#....###.#.#.###...#....##.#.####.##.#.###.#..#.##..##..
|
||||
..###.#.###..##....#....##.#...##.##.###...#..#.###..##..###.#..##.##.#.#.##.#.##.##..##.#..#####..#
|
||||
.##.#......###.##.##.###......####..##.###...##...##....###.#####.##.#.#.#.#####.#..#..#####.##.###.
|
||||
##.#..#.#....#.#.#..###..##.#..#.###....#...#.#.....###.##.#...##.####.##...###....####..#....######
|
||||
##.#..##.#.#####.#..###..#.....##...##.###.##.#.....#...###..#.###.#..#....#.#...##.#.###.#....#.#.#
|
||||
.........##...##...#.##.....#.##.###..#.###.#.###...##.##.#.#.....#......######.#.....###..#####.#..
|
||||
.####.##...#.###.###.##...##.#...#...##.#...#...####....##.#####..####.#....#..##...#.#....#####...#
|
||||
.###..######..#...##..#..#..##.##.#...##.##.#..##.#..#.#...#.#######.###.####.#..##.##.#..#..#.#...#
|
||||
.###.#....##.##.#...##..#.#.##..##.###.#..#.#..####.#..#.##.##.###########.#.#...##.#.##...#..#...#.
|
||||
..#.##.#.#.#.#####..###.#.#####.#.####.#.#....#..#####..##.######.....###.#.#.#...#..##...#.#..###.#
|
||||
..##....#...#.####.##..####.##..###.....#...#..#....##.#.#..#....#.###.##.##...#.#.##....###.#####.#
|
||||
##.##...#.##...#.###.########..##....####.#...#.#...#..##...##......#.........#.#.#.####.#...#.##..#
|
||||
####...###.#########..#.##...#.#.####..##.#.###....###..#...#.#..#.#.##...#####.#......#..#..##.#.##
|
||||
#...#.####.##....#.###..#.###.#...#..###.#..####...#..##..#....##......##..####.####.#..##....#.#..#
|
||||
.##...###.#..#.#.##..#..##...#...#....##..###...##.###.#####.#.####.###.##.#.#.##.####.#...##.##.##.
|
||||
####.##.####...#..#......#.#..##.#.##.##.#####.#.#.##.##.#..###.##.###...#.####.#..#..#..#.###.#####
|
||||
#.#.###.#.#.#..#...#..#..#...##..##..######.#...#..####...#.#.###..####.#.#..##.##...##...####..#.#.
|
||||
###.#..##.###..#.#.##.#...#.#..#....#..#....#.####.#.######..####.##.#.###.....#.....######..###.##.
|
||||
.###.#.#...#####.##.#..##.##.#.#....##..###.#.##...##.#.....#.#.#####.##.####....##.#####.######...#
|
||||
.##.###...#####.#.###.#.#.###..##.#..##.#.#..#.##.##..#....#..###.#.####.#..##.#...#.........#.#####
|
||||
#..##..#.#.#...###....##..##....#...#.#.##.#...#..###..##.#...#.#....##..#.#.#....###...#.##...###.#
|
||||
###......#..##...######.#.##.#.#..#.#..#...###.#.#####....##.###..##.#.###.###...##..##.....##..##.#
|
||||
.###..###.#....#..#.###.###....###.#....##.#.##.##...#####.#..#######..##.##....#...##.#.###..##.#..
|
||||
###.##.##..#...#.#.#..#..#.#####.#.##...###..##...#.#..#....#.#######.#####.##...#..#.####...###.###
|
||||
.#.#.#.#.##....###..##..######.##.###.##.#.....#.#.##.##.#.##......#.#........#..##.#..#..########..
|
||||
.##.#.##.#....#......##.##.#.#..#..######.#.###.#....#.#.#..#.....#.#.#######..####.#..######..#.###
|
||||
.#....#....#.#.#..#.###........##...########.#.####.##.#..#..#.####....#..#.#.#...#####.##.#.#..#..#
|
||||
####.##.###...###.....#..##.#.##.#....#....###.###.###.##......####.######.#.#.###.#.#.###...###.##.
|
||||
..##.#######..#.#....#.#..##.........##..#..##.#.#........#..##...#.#####.......##.....##.#...##...#
|
||||
#.#..#.#.#..###..#..#..##.#..##.##.###.##.#..##..######.#..####.#...#.###...#..#.#.#...#..###.#..##.
|
||||
.###.#.##..#.#.##...###.#####.##.###..###..#...###.#.##....##.#...##.#.###.##.....#.#####.#####.#.##
|
||||
...##..##.#.#.#.#.#.##.#.##.#..##.#.##..##..##.###.##.#........##.#.###.####.####....###.#.##.#.#.#.
|
||||
.##.##...#........####.#.#..###....#.#.##.#.##.......##..#.####...##..####.....#.####.....#######..#
|
||||
#.#.##...#.#..#.##..#.####..#.#....######..........#.##..##..#..#######.##.#.#...###.....##......##.
|
||||
###.###..####.#.#..####...#..#..###.###.####....#..##..#..#...#######..#...#.##.##...#.####..#.#....
|
||||
####.##.###.#..##...##.##.##.##....##.#.#.#.###.###.#.#..##.#.#####.#....#.###.#......##.#.##..#..##
|
||||
.##.##.#..#.#.......##...###.#.##.#.##...##.##...##.#..#.##...###.####..#....###..#.....##...###..##
|
||||
#....##..#.###..##..#.###.##.###.#..#######....##.#.#.#.#..###.##.......####....#..#..##..#.#..#....
|
||||
.######...#...#.#.##.#..#......#.#.##.#.#...###.#...###...#..###.#.....#...#...#....#.......##....##
|
||||
#.#.###...#.####..##..##.##...###.#######..#..###...#..#.#.#..#..##.....#.#.####.#.#.######..###.###
|
||||
.####.....#.#.######.#..###...#.#...##...##.#..##.#.#.#......###...#.#..#..#.###..#...########..#...
|
||||
#..#.#.#..#.#....####..#.##..#..##.#..#.#..####.#####.##.######....#..#.##.#..#..#...#..#.....#.####
|
||||
....#.#.#....###...###..##....#####..##.#....##.###....#.#.#####..###..#.#..#####.#....##.#..##.#.#.
|
||||
#...##.#..#.###.#...##...#.#..#.#.####.####..###.####.....#.....##..###.#..#.#..###....#.###..###..#
|
||||
......##....##...#....###.#..##....#.#...#######..##.###..##...#.###..####.##.#.###...####..#.#.....
|
||||
#..#####.###...##.##..#..#....###...#..##...#...#.######...#.#######..##.#..####...###.#..##..####.#
|
||||
..#.##.##.#..##......###.#.##.##.###.#####..##.#.##....##..###....#..#..###..####.#......#.#.###.#.#
|
||||
###.#....#..######..#...#.##.##..###....#...##.#...##########..#.####.#.#..#..###.#.#.#.##....#.#.#.
|
||||
###.###....#....#...##.##..#.#.###.##..##....##.#.####.##.#.####..#..###.#...###.#.#.##.#.##...##..#
|
||||
#....####..###.###..##.#.##.#....#.###...#.###.#..####....######.####.##.#.#.#.####.#.#...#.#.#.####
|
||||
.#.#.....##.#..#####.###.##..#..#.##..#.##..##.#.#..###...##..###.#.##.#.##..#..####..###.#..##.#.#.
|
||||
.##..##.#...#..##.#.####.####....#.#.###.###.##.#####.##....#.#.#...#.#..##..####..#.#...#.##...###.
|
||||
#....##.#.#..#.#....#...##..#..####.##.#.##.....#.###..#.##.##..###.#..##..###.##.....##..#..#.#....
|
||||
.##.####..#.#..#.#.#.##...#.#.##........#..#..###.#..#.#..#..###...####.######......##..##.#####.##.
|
||||
####......##.######...##.#.#...######.#..###.#..#.######.#.#######..##.....##.#.###...#..##.##..####
|
||||
...###.....#.##..##.#.....###.###.####..##..###..#..##.#.#......##..#.#.#..##.##.####.##.#.####.#.##
|
||||
.....#..#####.#.###..###..#.##....##.#..##.#.#.##...###....##.####.##..####....#...#..#.######..###.
|
||||
|
|
@ -0,0 +1,116 @@
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
static void pbm(char *front, size_t stride) {
|
||||
printf("P1\n%lu %lu\n", stride, stride);
|
||||
|
||||
for (size_t i = 0; i < stride * stride; i++) {
|
||||
putchar(front[i] ? '1' : '0');
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
int vis = 0, opt;
|
||||
long long maxiter = 50;
|
||||
|
||||
while ((opt = getopt(argc, argv, "vi:")) != -1) {
|
||||
switch (opt) {
|
||||
case 'v':
|
||||
vis = 1;
|
||||
break;
|
||||
case 'i':
|
||||
maxiter = atoll(optarg);
|
||||
break;
|
||||
default:
|
||||
usage:
|
||||
fprintf(stderr, "Usage: %s [-v] [-i iterations] input\n\n"
|
||||
"-v output is NetPBM, readable by FFmpeg\n",
|
||||
argv[0]);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
if (optind >= argc)
|
||||
goto usage;
|
||||
|
||||
char *algo = NULL, *front = NULL, *back = NULL, *s;
|
||||
size_t stride = 0, S = 0, G = 0;
|
||||
|
||||
FILE *fp = fopen(argv[optind], "r");
|
||||
if(!fp) {
|
||||
fprintf(stderr, "%s: Could not open file '%s': ",
|
||||
argv[0], argv[optind]);
|
||||
perror("");
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
fscanf(fp, "%ms", &algo);
|
||||
|
||||
while (fscanf(fp, "%ms\n", &s) == 1) {
|
||||
size_t len = strlen(s);
|
||||
char *dst;
|
||||
|
||||
if (!stride) {
|
||||
stride = len * 3;
|
||||
front = calloc(stride * stride, 1);
|
||||
dst = front + stride * len;
|
||||
}
|
||||
|
||||
dst += len;
|
||||
for (size_t c = 0; c < len; c++)
|
||||
*dst++ = s[c] == '#';
|
||||
dst += len;
|
||||
|
||||
free(s);
|
||||
}
|
||||
|
||||
fclose(fp);
|
||||
|
||||
back = malloc(stride * stride);
|
||||
memcpy(back, front, stride * stride);
|
||||
|
||||
for (long long iter = 0; iter < maxiter; iter++) {
|
||||
if (vis && iter & 1) pbm(front, stride);
|
||||
|
||||
if (iter == 2) {
|
||||
for (int p = 0; p < stride * stride; p++)
|
||||
S += front[p];
|
||||
}
|
||||
|
||||
#pragma omp parallel for
|
||||
for (size_t y = 0; y < stride; y++) {
|
||||
for (size_t x = 0; x < stride; x++) {
|
||||
int v = 0;
|
||||
|
||||
for (int yy = -1; yy <= 1; yy++) {
|
||||
for (int xx = -1; xx <= 1; xx++) {
|
||||
v <<= 1;
|
||||
|
||||
if (y + yy > 0 && y + yy < stride &&
|
||||
x + xx > 0 && x + xx < stride)
|
||||
v |= front[(y + yy) * stride + x + xx];
|
||||
else
|
||||
v |= iter & 1;
|
||||
|
||||
back[y * stride + x] = algo[v] == '#';
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
memcpy(front, back, stride * stride);
|
||||
}
|
||||
|
||||
for (size_t p = 0; p < stride * stride; p++)
|
||||
G += front[p];
|
||||
|
||||
fprintf(stderr, "Silver: %lu\nGold: %lu\n", S, G);
|
||||
|
||||
free(front);
|
||||
free(algo);
|
||||
free(back);
|
||||
}
|
||||
Loading…
Reference in New Issue