diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | day1.c | 9 | ||||
| -rw-r--r-- | day2.c | 26 |
3 files changed, 32 insertions, 4 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..cba7efc --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +a.out @@ -1,8 +1,9 @@ #include <stdio.h> int main() { - int ch, floor = 0; + int ch, floor = 0, pos = 0, first_basement = 1; while ((ch = getchar()) != EOF) { + pos += 1; switch(ch) { case '(': floor += 1; @@ -10,7 +11,11 @@ int main() { case ')': floor -= 1; } + if (floor == -1 && first_basement) { + printf("In the basement at position: %d\n", pos); + first_basement = 0; + } } - printf("%d\n", floor); + printf("Final floor: %d\n", floor); return 0; } @@ -18,17 +18,39 @@ void calcsides(int length, int width, int height, int* side1, int* side2, int* s (*side3) = height * length; } +void calcperi(int edge1, int edge2, int* peri) { + (*peri) = 2 * edge1 + 2 * edge2; +} + +void calcarea(int side1, int side2, int side3, int* area) { + (*area) = 2*side1 + 2*side2 + 2*side3 + min3(side1, side2, side3); +} + +void calcribbon(int length, int width, int height, int* ribbon) { + int bow, wrap; + int side1, side2, side3; + calcperi(length, width, &side1); + calcperi(width, height, &side2); + calcperi(height, length, &side3); + wrap = min3(side1, side2, side3); + bow = length * width * height; + (*ribbon) = wrap + bow; +} + int main() { int length, width, height; int side1, side2, side3; int area, totalarea = 0; + int ribbon, totalribbon = 0; while (readsides(&length, &width, &height) > 0) { calcsides(length, width, height, &side1, &side2, &side3); - area = 2*side1 + 2*side2 + 2*side3 + min3(side1, side2, side3); + calcarea(side1, side2, side3, &area); + calcribbon(length, width, height, &ribbon); totalarea += area; + totalribbon += ribbon; } - printf("%d\n", totalarea); + printf("Total area: %d\nTotal ribbon: %d\n", totalarea, totalribbon); return 0; } |