Solution for Day 2
This commit is contained in:
parent
e3036af5e3
commit
51abd3f78a
39
02/.vimspector.json
Normal file
39
02/.vimspector.json
Normal file
@ -0,0 +1,39 @@
|
||||
{
|
||||
"configurations": {
|
||||
"Launch": {
|
||||
"adapter": "vscode-cpptools",
|
||||
"filetypes": [ "cpp", "c", "objc", "rust" ], // optional
|
||||
"configuration": {
|
||||
"request": "launch",
|
||||
"program": "${workspaceRoot}/output/main",
|
||||
"args": [ "${workspaceRoot}/tests/guide.dat", "2" ],
|
||||
"cwd": "${workspaceRoot}/output",
|
||||
//"environment": [ ... ],
|
||||
"externalConsole": true,
|
||||
"MIMode": "gdb"
|
||||
}
|
||||
},
|
||||
"Attach": {
|
||||
"adapter": "vscode-cpptools",
|
||||
"filetypes": [ "cpp", "c", "objc", "rust" ], // optional
|
||||
"configuration": {
|
||||
"request": "attach",
|
||||
"program": "${workspaceRoot}/output/main",
|
||||
"MIMode": "gdb"
|
||||
}
|
||||
},
|
||||
"Launch prod": {
|
||||
"adapter": "vscode-cpptools",
|
||||
"filetypes": [ "cpp", "c", "objc", "rust" ], // optional
|
||||
"configuration": {
|
||||
"request": "launch",
|
||||
"program": "${workspaceRoot}/output/main",
|
||||
"args": [ "guide.dat", "2" ],
|
||||
"cwd": "${workspaceRoot}/output",
|
||||
//"environment": [ ... ],
|
||||
"externalConsole": true,
|
||||
"MIMode": "gdb"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
91
02/Makefile
Normal file
91
02/Makefile
Normal file
@ -0,0 +1,91 @@
|
||||
#
|
||||
# 'make' build executable file 'main'
|
||||
# 'make clean' removes all .o and executable files
|
||||
#
|
||||
|
||||
# define the C compiler to use CC = gcc
|
||||
|
||||
# define any compile-time flags
|
||||
# CFLAGS := -std=c99 -Wall -Wextra -g -lm
|
||||
CFLAGS := -std=c99 -Wall -Wextra -g
|
||||
|
||||
# define library paths in addition to /usr/lib
|
||||
# if I wanted to include libraries not in /usr/lib I'd specify
|
||||
# their path using -Lpath, something like:
|
||||
LFLAGS =
|
||||
|
||||
# define output directory
|
||||
OUTPUT := output
|
||||
|
||||
# define source directory
|
||||
SRC := src
|
||||
|
||||
# define include directory
|
||||
INCLUDE := include
|
||||
|
||||
# define lib directory
|
||||
LIB := lib
|
||||
|
||||
ifeq ($(OS),Windows_NT)
|
||||
MAIN := main.exe
|
||||
SOURCEDIRS := $(SRC)
|
||||
INCLUDEDIRS := $(INCLUDE)
|
||||
LIBDIRS := $(LIB)
|
||||
FIXPATH = $(subst /,\,$1)
|
||||
RM := del /q /f
|
||||
MD := mkdir
|
||||
else
|
||||
MAIN := main
|
||||
SOURCEDIRS := $(shell find $(SRC) -type d)
|
||||
INCLUDEDIRS := $(shell find $(INCLUDE) -type d)
|
||||
LIBDIRS := $(shell find $(LIB) -type d)
|
||||
FIXPATH = $1
|
||||
RM = rm -f
|
||||
MD := mkdir -p
|
||||
endif
|
||||
|
||||
# define any directories containing header files other than /usr/include
|
||||
INCLUDES := $(patsubst %,-I%, $(INCLUDEDIRS:%/=%))
|
||||
|
||||
# define the C libs
|
||||
LIBS := $(patsubst %,-L%, $(LIBDIRS:%/=%))
|
||||
|
||||
# define the C source files
|
||||
SOURCES := $(wildcard $(patsubst %,%/*.c, $(SOURCEDIRS)))
|
||||
|
||||
# define the C object files
|
||||
OBJECTS := $(SOURCES:.c=.o)
|
||||
|
||||
#
|
||||
# The following part of the makefile is generic; it can be used to
|
||||
# build any executable just by changing the definitions above and by
|
||||
# deleting dependencies appended to the file from 'make depend'
|
||||
#
|
||||
|
||||
OUTPUTMAIN := $(call FIXPATH,$(OUTPUT)/$(MAIN))
|
||||
|
||||
all: $(OUTPUT) $(MAIN)
|
||||
@echo Executing 'all' complete!
|
||||
|
||||
$(OUTPUT):
|
||||
$(MD) $(OUTPUT)
|
||||
|
||||
$(MAIN): $(OBJECTS)
|
||||
$(CC) $(INCLUDES) $(OBJECTS) $(LFLAGS) $(LIBS) -o $(OUTPUTMAIN) $(CFLAGS)
|
||||
|
||||
# this is a suffix replacement rule for building .o's from .c's
|
||||
# it uses automatic variables $<: the name of the prerequisite of
|
||||
# the rule(a .c file) and $@: the name of the target of the rule (a .o file)
|
||||
# (see the gnu make manual section about automatic variables)
|
||||
.c.o:
|
||||
$(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@
|
||||
|
||||
.PHONY: clean
|
||||
clean:
|
||||
$(RM) $(OUTPUTMAIN)
|
||||
$(RM) $(call FIXPATH,$(OBJECTS))
|
||||
@echo Cleanup complete!
|
||||
|
||||
run: all
|
||||
./$(OUTPUTMAIN)
|
||||
@echo Executing 'run: all' complete!
|
||||
268
02/src/main.c
Normal file
268
02/src/main.c
Normal file
@ -0,0 +1,268 @@
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
/* Error codes:
|
||||
* 0 - no error
|
||||
* 1 - invalid number of arguments
|
||||
* 2 - invalid file
|
||||
* 3 - invalid file format
|
||||
* 4 - invalid solution part
|
||||
*/
|
||||
|
||||
/* NOTE: info to remember:
|
||||
* The aliases for rock, paper, scissors are:
|
||||
* - A = X = rock
|
||||
* - B = Y = paper
|
||||
* - C = Z = scissors
|
||||
* ------------------------------------------
|
||||
* Scores:
|
||||
* - Shape
|
||||
* - Rock: 1
|
||||
* - Paper: 2
|
||||
* - Scissors: 3
|
||||
* - Outcome
|
||||
* - Win: 6
|
||||
* - Draw: 3
|
||||
* - Loss: 0
|
||||
*/
|
||||
|
||||
int arg_parser(int argc, char *argv[], char **file_name, int *solution_part) {
|
||||
if (argc != 3) {
|
||||
printf("Usage: %s <file> <solution_part (1/2)>\n", argv[0]);
|
||||
return 1;
|
||||
}
|
||||
// Check if the file exists
|
||||
FILE *file = fopen(argv[1], "r");
|
||||
if (file == NULL) {
|
||||
printf("Error: File does not exist.\n");
|
||||
return 2;
|
||||
}
|
||||
|
||||
// Check if the solution part is a valid number
|
||||
if (atoi(argv[2]) != 1 && atoi(argv[2]) != 2) {
|
||||
printf("Error: Invalid solution part.\nValid values are [1, 2]\n");
|
||||
return 4;
|
||||
}
|
||||
|
||||
*file_name = argv[1];
|
||||
*solution_part = atoi(argv[2]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Returns the score of the given shape
|
||||
// 1 = rock, 2 = paper, 3 = scissors
|
||||
int score_shapes(char shape) {
|
||||
switch (shape) {
|
||||
case 'A':
|
||||
case 'X':
|
||||
return 1;
|
||||
case 'B':
|
||||
case 'Y':
|
||||
return 2;
|
||||
case 'C':
|
||||
case 'Z':
|
||||
return 3;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
/* Returns my score for the round
|
||||
*
|
||||
* Parameters:
|
||||
* - opponents_shape
|
||||
* - A = rock
|
||||
* - B = paper
|
||||
* - C = scissors
|
||||
* - my_shape
|
||||
* - X = rock
|
||||
* - Y = paper
|
||||
* - Z = scissors
|
||||
*/
|
||||
int round_score(char opponents_shape, char my_shape) {
|
||||
// Checks if the shapes are valid and get their scores
|
||||
int opponents_score = score_shapes(opponents_shape);
|
||||
int shape_score = score_shapes(my_shape);
|
||||
if (opponents_score == -1 || shape_score == -1) {
|
||||
printf("Error: Invalid shape.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
// Draw
|
||||
if (opponents_shape == 'A' && my_shape == 'X') {
|
||||
return 3 + shape_score;
|
||||
} else if (opponents_shape == 'B' && my_shape == 'Y') {
|
||||
return 3 + shape_score;
|
||||
} else if (opponents_shape == 'C' && my_shape == 'Z') {
|
||||
return 3 + shape_score;
|
||||
}
|
||||
|
||||
// Rock win
|
||||
else if (my_shape == 'X' && opponents_shape == 'C') {
|
||||
return 6 + shape_score;
|
||||
}
|
||||
// Paper win
|
||||
else if (my_shape == 'Y' && opponents_shape == 'A') {
|
||||
return 6 + shape_score;
|
||||
} // Scissors win
|
||||
else if (my_shape == 'Z' && opponents_shape == 'B') {
|
||||
return 6 + shape_score;
|
||||
} else {
|
||||
return shape_score;
|
||||
}
|
||||
}
|
||||
|
||||
int score_file(char **file_name) {
|
||||
FILE *file = fopen(*file_name, "r");
|
||||
if (file == NULL) {
|
||||
printf("Error opening the file.\n");
|
||||
return -2;
|
||||
}
|
||||
|
||||
int my_score = 0;
|
||||
|
||||
// Read the file
|
||||
while (!feof(file)) {
|
||||
char opponent[1];
|
||||
char me[1];
|
||||
int res = fscanf(file, "%s %s", opponent, me);
|
||||
|
||||
if (res == EOF) {
|
||||
break;
|
||||
}
|
||||
// Check for blank line at the end of the file
|
||||
else if (res == 1 && opponent[0] == '\n') {
|
||||
continue;
|
||||
} else if (res != 2) {
|
||||
printf("Error: Bad file format.\n");
|
||||
return -3;
|
||||
}
|
||||
|
||||
my_score += round_score(*opponent, *me);
|
||||
}
|
||||
|
||||
return my_score;
|
||||
}
|
||||
|
||||
/* NOTE:
|
||||
* ------------------------------------------------------------
|
||||
* PART 2 OF THE SOLUTION
|
||||
* ------------------------------------------------------------
|
||||
*/
|
||||
|
||||
char *get_win_shape_part2(char *opponents_shape) {
|
||||
switch (*opponents_shape) {
|
||||
case 'A':
|
||||
return "B";
|
||||
case 'B':
|
||||
return "C";
|
||||
case 'C':
|
||||
return "A";
|
||||
default:
|
||||
return "0";
|
||||
}
|
||||
}
|
||||
|
||||
// Returns the shape that looses against the given shape
|
||||
//
|
||||
// Parameters:
|
||||
// - opponents_shape
|
||||
// - A = rock
|
||||
// - B = paper
|
||||
// - C = scissors
|
||||
char *get_loss_shape_part2(char *opponents_shape) {
|
||||
switch (*opponents_shape) {
|
||||
case 'A':
|
||||
return "C";
|
||||
case 'B':
|
||||
return "A";
|
||||
case 'C':
|
||||
return "B";
|
||||
default:
|
||||
return "0";
|
||||
}
|
||||
}
|
||||
|
||||
/* Returns the score for a given round
|
||||
*
|
||||
* Parameters:
|
||||
* - opponents_shape
|
||||
* - A = rock
|
||||
* - B = paper
|
||||
* - C = scissors
|
||||
* - round_result
|
||||
* - X = loss
|
||||
* - Y = draw
|
||||
* - Z = win
|
||||
*/
|
||||
int score_round_part_2(char *opponents_shape, char *round_result) {
|
||||
if (*round_result == 'X') {
|
||||
char *loss_shape = get_loss_shape_part2(opponents_shape);
|
||||
return score_shapes(*loss_shape);
|
||||
} else if (*round_result == 'Y') {
|
||||
// I have the same shape as the opponent
|
||||
return 3 + score_shapes(*opponents_shape);
|
||||
} else if (*round_result == 'Z') {
|
||||
char *win_shape = get_win_shape_part2(opponents_shape);
|
||||
return 6 + score_shapes(*win_shape);
|
||||
} else {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
// score_part2
|
||||
int score_file_part2(char **file_name, int *score) {
|
||||
FILE *file = fopen(*file_name, "r");
|
||||
if (file == NULL) {
|
||||
printf("Error opening the file.\n");
|
||||
return 2;
|
||||
}
|
||||
|
||||
// int score = 0;
|
||||
|
||||
// Read the file
|
||||
while (!feof(file)) {
|
||||
char opponent;
|
||||
char round_res;
|
||||
int res = fscanf(file, "%s %s", &opponent, &round_res);
|
||||
|
||||
if (res == EOF) {
|
||||
break;
|
||||
}
|
||||
// Check for blank line at the end of the file
|
||||
else if (res == 1 && opponent == '\n') {
|
||||
continue;
|
||||
} else if (res != 2) {
|
||||
printf("Error: Bad file format.\n");
|
||||
return 3;
|
||||
}
|
||||
|
||||
*score += score_round_part_2(&opponent, &round_res);
|
||||
}
|
||||
|
||||
// return score;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
char *file_name;
|
||||
int solution_part;
|
||||
int score = 0;
|
||||
|
||||
int res = arg_parser(argc, argv, &file_name, &solution_part);
|
||||
if (res != 0) {
|
||||
return res;
|
||||
}
|
||||
if (solution_part == 1) {
|
||||
printf("My score: %d\n", score_file(&file_name));
|
||||
} else {
|
||||
int res = score_file_part2(&file_name, &score);
|
||||
if (res != 0) {
|
||||
return res;
|
||||
}
|
||||
printf("My score: %d\n", score);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
4
02/tests/guide.dat
Normal file
4
02/tests/guide.dat
Normal file
@ -0,0 +1,4 @@
|
||||
A Y
|
||||
B X
|
||||
C Z
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user