diff --git a/day14/c/day14 b/day14/c/day14
new file mode 100755
index 0000000..483c0cc
Binary files /dev/null and b/day14/c/day14 differ
diff --git a/day14/c/day14.c b/day14/c/day14.c
new file mode 100644
index 0000000..cbbdbd7
--- /dev/null
+++ b/day14/c/day14.c
@@ -0,0 +1,204 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define LINE_MAX_LENGTH 256
+#define MAX_ROUNDED_ROCKS 8*1024
+#define MAX_HISTORY_SIZE 2048
+#define abs(a) ((a) > 0 ? (a) : -(a))
+#define CYCLES 1000000000
+
+typedef enum tile {
+    EMPTY,
+    ROUNDED_ROCK,
+    CUBE_ROCK,
+} tile_t;
+
+typedef struct position {
+    int x;
+    int y;
+} position_t;
+
+void tilt(tile_t map[LINE_MAX_LENGTH][LINE_MAX_LENGTH], int x, int y, int dir[2]);
+
+int main() {
+    char *p, *buf, c;
+
+    buf = (char *)malloc(LINE_MAX_LENGTH);
+    memset(buf, 0, LINE_MAX_LENGTH);
+    p = buf;
+
+    position_t rocks[MAX_ROUNDED_ROCKS];
+    int rocks_num = 0, x = 0, y = 0;
+
+    tile_t map[LINE_MAX_LENGTH][LINE_MAX_LENGTH];
+
+    while ((c = getchar()) != EOF) {
+        *p++ = c;
+        if (c == '\n') {
+            x = 0;
+            p = buf;
+            while (*p != '\n') {
+                switch (*p) {
+                    case '.':
+                        map[x][y] = EMPTY;
+                        break;
+                    case '#':
+                        map[x][y] = CUBE_ROCK;
+                        break;
+                    case 'O':
+                        map[x][y] = ROUNDED_ROCK;
+                        rocks[rocks_num].x = x;
+                        rocks[rocks_num].y = y;
+                        rocks_num++;
+                        break;
+                }
+                p++;
+                x++;
+            }
+
+            y++;
+            memset(buf, 0, LINE_MAX_LENGTH);
+            p = buf;
+        }
+    }
+
+    int dir[2] = {0, -1};
+    tilt(map, x, y, dir);
+
+
+    int part1 = 0;
+    for (int i = 0; i < y; i++) {
+        for (int j = 0; j < x; j++) {
+            if (map[j][i] == ROUNDED_ROCK) {
+                part1 += y - i;
+            }
+        }
+    }
+
+    printf("%i\n", part1);
+
+    tile_t ***history = (tile_t***)malloc(MAX_HISTORY_SIZE * sizeof(tile_t**));
+    for (int i = 0; i < MAX_HISTORY_SIZE; i++) {
+        history[i] = malloc(LINE_MAX_LENGTH * LINE_MAX_LENGTH * sizeof(tile_t));
+    }
+    int history_num = 0;
+
+    int offset = 0, period = 0;
+    for (int i = 0; i < CYCLES; i++) {
+        int found = 0;
+        for (int j = 0; j < history_num; j++) {
+            if (!memcmp(map, history[j], LINE_MAX_LENGTH * LINE_MAX_LENGTH * sizeof(tile_t))) {
+                offset = j;
+                period = history_num - j;
+                found = 1;
+                break;
+            }
+        }
+        if (!found) {
+            memcpy(history[history_num], map, LINE_MAX_LENGTH * LINE_MAX_LENGTH * sizeof(tile_t));
+            history_num++;
+        }
+        if (found) {
+            break;
+        }
+        if (i != 0) {
+            dir[0] = 0;
+            dir[1] = -1;
+            tilt(map, x, y, dir);
+        }
+        dir[0] = -1;
+        dir[1] = 0;
+        tilt(map, x, y, dir);
+        dir[0] = 0;
+        dir[1] = 1;
+        tilt(map, x, y, dir);
+        dir[0] = 1;
+        dir[1] = 0;
+        tilt(map, x, y, dir);
+    }
+
+    for (int i = 0; i < (CYCLES - history_num) % period; i++) {
+        dir[0] = 0;
+        dir[1] = -1;
+        tilt(map, x, y, dir);
+        dir[0] = -1;
+        dir[1] = 0;
+        tilt(map, x, y, dir);
+        dir[0] = 0;
+        dir[1] = 1;
+        tilt(map, x, y, dir);
+        dir[0] = 1;
+        dir[1] = 0;
+        tilt(map, x, y, dir);
+    }
+
+    int part2 = 0;
+    for (int i = 0; i < y; i++) {
+        for (int j = 0; j < x; j++) {
+            if (map[j][i] == ROUNDED_ROCK) {
+                part2 += y - i;
+            }
+        }
+    }
+
+    printf("%i\n", part2);
+
+    for (int i = 0; i < MAX_HISTORY_SIZE; i++) {
+        free(history[i]);
+    }
+    free(history);
+    free(buf);
+}
+
+void tilt(tile_t map[LINE_MAX_LENGTH][LINE_MAX_LENGTH], int x, int y, int dir[2]) {
+    position_t start;
+    int *iterate, iter_length;
+    if (dir[0] == 1) {
+        start.x = x - 1;
+        start.y = 0;
+        iterate = &start.y;
+        iter_length = y;
+    } else if (dir[0] == -1) {
+        start.x = 0;
+        start.y = 0;
+        iterate = &start.y;
+        iter_length = y;
+    } else if (dir[1] == 1) {
+        start.x = 0;
+        start.y = y - 1;
+        iterate = &start.x;
+        iter_length = x;
+    } else if (dir[1] == -1) {
+        start.x = 0;
+        start.y = 0;
+        iterate = &start.x;
+        iter_length = x;
+    }
+
+    position_t to_put;
+    for (int i = 0; i < iter_length; i++) {
+        *iterate = i;
+        memcpy(&to_put, &start, sizeof(position_t));
+        int *iterate_secondary = iter_length == x ? &to_put.y : &to_put.x, iter_length_secondary = iter_length == x ? y : x;
+        for (int j = 0; j < iter_length_secondary; j++) {
+            int cx = start.x - dir[0] * j;
+            int cy = start.y - dir[1] * j;
+            tile_t current_tile = map[cx][cy];
+            switch (current_tile) {
+                case EMPTY:
+                    break;
+                case ROUNDED_ROCK:
+                    map[cx][cy] = EMPTY;
+                    map[to_put.x][to_put.y] = ROUNDED_ROCK;
+                    to_put.x -= dir[0];
+                    to_put.y -= dir[1];
+                    break;
+                case CUBE_ROCK:
+                    to_put.x = cx - dir[0];
+                    to_put.y = cy - dir[1];
+                    break;
+            }
+        }
+    }
+}
diff --git a/day14/input.txt b/day14/input.txt
new file mode 100644
index 0000000..8290467
--- /dev/null
+++ b/day14/input.txt
@@ -0,0 +1,100 @@
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diff --git a/day14/sample.txt b/day14/sample.txt
new file mode 100644
index 0000000..5a24dce
--- /dev/null
+++ b/day14/sample.txt
@@ -0,0 +1,10 @@
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