Create Git repo

day-01/Makefile

@@ -0,0 +1,25 @@
+CC=gcc
+CFLAGS=-Wall
+
+run1: bin/part01
+	cat data/p01data.txt | bin/part01
+
+run2: bin/part02
+	cat data/p02data.txt | bin/part02
+
+test1: bin/part01
+	cat data/p01test.txt | bin/part01
+
+test2: bin/part02
+	cat data/p02test.txt | bin/part02
+
+bin/part01:
+	$(CC) src/part01.c -o bin/part01 
+
+bin/part02:
+	$(CC) src/part02.c -o bin/part02
+
+.PHONY: clean
+
+clean:
+	rm -f bin/*

day-01/data/p01test.txt

@@ -0,0 +1,5 @@
+1abc2
+pqr3stu8vwx
+a1b2c3d4e5f
+treb7uchet
+

day-01/data/p02test.txt

@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen

day-01/src/part01.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef DEBUG
+#define debug_printf(...) do{ fprintf( stderr, __VA_ARGS__ ); } while( 0 )
+#else
+#define debug_printf(...) do{ } while ( 0 )
+#endif
+
+#define LINE_MAX 90
+#define ASCII_0 48
+#define ASCII_9 57
+
+
+int isNum(char character){
+  return (character >=ASCII_0 && character <= ASCII_9);
+}
+
+
+int main(){
+  int linesProcessed = 0;
+  char line[LINE_MAX];
+  int sum = 0;
+  while (fgets(line, LINE_MAX, stdin) != NULL) {
+    linesProcessed++;
+    char firstNum = ' ';
+    char lastNum = ' ';
+    for (int i = 0; i < strlen(line); i++){
+      if (!isNum(line[i])) continue;
+      if (firstNum == ' ') firstNum=line[i];
+      lastNum = line[i];
+    }
+    char fullNum[3] = {firstNum, lastNum, '\0' };
+    debug_printf("fN: %c%c\n", firstNum, lastNum);
+    sum+=atoi(fullNum);
+  }
+  printf("\n Processed %d Lines\n", linesProcessed);
+  printf("===================================\n");
+  printf("Answer: \n%d\n", sum);
+}
+

day-01/src/part01p.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define LINE_MAX 90
+
+int isNum(char character){
+  return (character >=48 && character <= 57);
+}
+
+
+int main(){
+  char line[LINE_MAX];
+  int sum = 0;
+  while (fgets(line, LINE_MAX, stdin) != NULL) {
+    char firstNum = ' ';
+    char lastNum = ' ';
+    for (int i = 0; i < strlen(line); i++){
+      if (!isNum(line[i])) continue;
+      if (firstNum == ' ') firstNum=line[i];
+      lastNum = line[i];
+    }
+    char fullNum[3] = {firstNum, lastNum, '\0' };
+    printf("fN: %c%c\n", firstNum, lastNum);
+    sum+=atoi(fullNum);
+  }
+  printf("answer sum: %d\n", sum);
+}
+

day-01/src/part02.c

@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef DEBUG
+#define debug_printf(...) do{ fprintf( stderr, __VA_ARGS__ ); } while( 0 )
+#else
+#define debug_printf(...) do{ } while ( 0 )
+#endif
+
+#define LINE_MAX 90
+#define ASCII_0 48
+#define ASCII_9 57
+
+
+char *numberStrings[] = {"one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};
+
+int isNum(char character){
+  return (character >=ASCII_0 && character <= ASCII_9);
+}
+
+
+int main(){
+  int linesProcessed = 0;
+  char line[LINE_MAX];
+  int sum = 0;
+  while (fgets(line, LINE_MAX, stdin) != NULL) {
+    linesProcessed++;
+    char firstNum = ' ';
+    char lastNum = ' ';
+    for(int i = 0; i< strlen(line); i++){
+      for (int repi=0; repi<9; repi++ ){
+        char *cNS = numberStrings[repi];
+        debug_printf("cNS=%s; strlen(cNS)=%d\n", cNS, strlen(cNS));
+        if (strncmp( &line[i], cNS, strlen(cNS) ) == 0) line[i] = ASCII_0+repi+1;
+      }
+    }
+    debug_printf("mutatedInputLine: %s", line);
+    for (int i = 0; i < strlen(line); i++){
+      if (!isNum(line[i])) continue;
+      if (firstNum == ' ') firstNum=line[i];
+      lastNum = line[i];
+    }
+    char fullNum[3] = {firstNum, lastNum, '\0' };
+    debug_printf("fN: %c%c\n", firstNum, lastNum);
+    sum+=atoi(fullNum);
+  }
+  printf("\n Processed %d Lines\n", linesProcessed);
+  printf("===================================\n");
+  printf("Answer: \n%d\n", sum);
+}
+