Add day2b

Author: ishanpranav

Makefile

@@ -41,8 +41,8 @@ test_emulator: test/emulator.c emulator parser
 day02a: src/day02a.c emulator parser
 $(CC) $(CFLAGS) $< -o $@.o emulator.o parser.o
 
-day02b: src/day02b.c
-$(CC) $(CFLAGS) $< -o $@.o
+day02b: src/day02b.c emulator parser
+$(CC) $(CFLAGS) $< -o $@.o emulator.o parser.o
 
 day03a: src/day03a.c
 $(CC) $(CFLAGS) $< -o $@.o

src/day02a.c

@@ -1,6 +1,6 @@
 // Licensed under the MIT license.
 
-// 1202 Program Alarm
+// 1202 Program Alarm Part 1
 
 #include <stdio.h>
 #include <time.h>

src/day02b.c

@@ -0,0 +1,49 @@
+// Licensed under the MIT license.
+
+// 1202 Program Alarm Part 2
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include "../lib/emulator.h"
+#include "../lib/parser.h"
+#define MEMORY 256
+
+static Word scan(Word clean[], int length)
+{
+ for (Word noun = 0; noun < 100; noun++)
+ {
+ for (Word verb = 0; verb < 100; verb++)
+ {
+ Word dirty[MEMORY];
+
+ memcpy(dirty, clean, sizeof(Word) * length);
+
+ dirty[1] = noun;
+ dirty[2] = verb;
+
+ emulator_execute(dirty);
+
+ if (dirty[0] == 19690720)
+ {
+ return noun * 100 + verb;
+ }
+ }
+ }
+
+ return 0;
+}
+
+int main(void)
+{
+ Word memory[MEMORY];
+ clock_t start = clock();
+ Word product = scan(memory, parser_parse(stdin, memory));
+
+ printf(
+ "02b " WORD_FORMAT " %lf\n",
+ product,
+ (double)(clock() - start) / CLOCKS_PER_SEC);
+
+ return 0;
+}

test/emulator.c

@@ -7,7 +7,7 @@
 #define EXCEPTION_IO "Error: I/O.\n"
 #define MEMORY 10000
 
-int main(int count, String args[])
+int main(int count, ZString args[])
 {
  if (count < 3)
  {

tools/example.sh

@@ -1,50 +1,5 @@
-cat ../data/011.txt | ./../day01a.o
-cat ../data/012.txt | ./../day01b.o
-
-for i in {02..07};
-do
- cat ../data/${i}1.txt | ./../day${i}a.o
- cat ../data/${i}1.txt | ./../day${i}b.o
-done
-
-cat ../data/081.txt | ./../day08a.o
-cat ../data/082.txt | ./../day08a.o
-cat ../data/083.txt | ./../day08b.o
-
-for i in {09..09};
-do
- cat ../data/${i}1.txt | ./../day${i}a.o
- cat ../data/${i}1.txt | ./../day${i}b.o
-done
-
-cat ../data/101.txt | ./../day10a.o
-cat ../data/102.txt | ./../day10a.o
-cat ../data/111.txt | ./../day11a.o
-
-for i in {12..16};
-do
- cat ../data/${i}1.txt | ./../day${i}a.o
- cat ../data/${i}1.txt | ./../day${i}b.o
-done
-
-cat ../data/171.txt | ./../day17a.o
-cat ../data/171.txt | ./../day17b.o
-cat ../data/172.txt | ./../day17b.o
-
-for i in {18..19};
-do
- cat ../data/${i}1.txt | ./../day${i}a.o
- cat ../data/${i}1.txt | ./../day${i}b.o
-done
-
-cat ../data/201.txt | ./../day20a.o
-cat ../data/202.txt | ./../day20a.o
-
-for i in {22..22};
-do
- cat ../data/${i}1.txt | ./../day${i}a.o
- cat ../data/${i}1.txt | ./../day${i}b.o
-done
-
-cat ../data/241.txt | ./../day24b.o
-cat ../data/251.txt | ./../day25z.o
+./../test_emulator.o ../data/021.csv ../data/021.txt
+./../test_emulator.o ../data/022.csv ../data/022.txt
+./../test_emulator.o ../data/023.csv ../data/023.txt
+./../test_emulator.o ../data/024.csv ../data/024.txt
+./../test_emulator.o ../data/025.csv ../data/025.txt