added days 5 and 6

05.c

@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h> 
+
+#define SIZE 50
+
+char stack[10*SIZE];
+int ptr[10];
+
+int move(int source, int dest) {
+	ptr[dest]--;
+	stack[ptr[dest]] = stack[ptr[source]];
+	ptr[source]++;
+}
+int insert(int index, char val) {
+	stack[ptr[index]] = val;
+	ptr[index]++;
+}
+
+void init_ptrs() {
+	for (int i=0; i<10; i++) {
+		ptr[i] = i*SIZE;
+	}
+}
+
+int main () {
+	char cur[20];
+	int cur_sum = 0;
+	int max = 0;
+	init_ptrs();
+	int k = 1;
+	while (fgets(cur,5,stdin) !=NULL) {
+		if (strlen(cur) < 4 || cur[1] == '1') break;
+		if (cur[1] != ' ') {
+			insert(k,cur[1]);
+		}
+		k++;
+		if (k > 9) k=1;
+	}
+	init_ptrs();
+	char c;
+	while (c = getchar(), c != '\n'); // skip lines
+	while (c = getchar(), c != '\n'); // skip lines
+	int q, src, dst;
+	while (scanf("move %d from %d to %d\n", &q, &src, &dst) != EOF) {
+		for (int k=0; k<q ; k++)
+			move(src,dst);
+	}
+	for (int i=1; i<10; i++)
+		putchar(stack[ptr[i]]);
+	
+
+}

05_02.c

@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h> 
+
+#define SIZE 50
+
+char stack[10*SIZE];
+int ptr[10];
+
+int move(int source, int dest, int q) {
+	ptr[dest]-= q;
+	memcpy(stack + ptr[dest], stack + ptr[source], q);
+	ptr[source]+=q;
+}
+int insert(int index, char val) {
+	stack[ptr[index]] = val;
+	ptr[index]++;
+}
+
+void init_ptrs() {
+	for (int i=0; i<10; i++) {
+		ptr[i] = i*SIZE;
+	}
+}
+
+int main () {
+	char cur[20];
+	int cur_sum = 0;
+	int max = 0;
+	init_ptrs();
+	int k = 1;
+	while (fgets(cur,5,stdin) !=NULL) {
+		if (strlen(cur) < 4 || cur[1] == '1') break;
+		if (cur[1] != ' ') {
+			insert(k,cur[1]);
+		}
+		k++;
+		if (k > 9) k=1;
+	}
+	init_ptrs();
+	char c;
+	while (c = getchar(), c != '\n'); // skip lines
+	while (c = getchar(), c != '\n'); // skip lines
+	int q, src, dst;
+	while (scanf("move %d from %d to %d\n", &q, &src, &dst) != EOF) {
+		move(src,dst,q);
+	}
+	for (int i=1; i<10; i++)
+		putchar(stack[ptr[i]]);
+	
+
+}

06.c

@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h> 
+
+
+char c[5];
+
+int is_equal () {
+	return !(c[0] == c[1] || c[0] == c[2] || c[0] == c[3] || c[1] == c[2] || c[1] == c[3] || c[2] == c[3]);
+}
+
+int main () {
+	int k = 0;
+	int j = 1;
+	char f;
+	c[5] = 0;
+	while (j < 5) {
+		c[k] = getchar();
+		k++;
+		j++;
+	}
+
+	while ((f = getchar()) != EOF) {
+		k %=4;
+		printf("%d %s f:%c\n",k,c,f);
+		if (is_equal()) break;
+		c[k] = f;
+		k++;
+		j++;
+	}
+	printf("%d\n", j-1);
+	
+}

06_02.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h> 
+
+
+char c[15];
+int mask = 0;
+
+int is_equal () {
+	int j = 0;
+	mask = 0;
+	for (j=0; j<14; j++){
+		int n = c[j] - 'a';
+		if (mask & (1 << n))
+			return 0;
+		mask |= (1<<n);
+	}
+	return 1;
+}
+
+int main () {
+	int k = 0;
+	int j = 1;
+	char f;
+	c[15] = 0;
+	while (j < 5) {
+		c[k] = getchar();
+		k++;
+		j++;
+	}
+
+	while ((f = getchar()) != EOF) {
+		k %=14;
+		printf("%d %s f:%c\n",k,c,f);
+		if (is_equal()) break;
+		c[k] = f;
+		k++;
+		j++;
+	}
+	printf("%d\n", j-1);
+	
+}

Makefile

@@ -3,6 +3,6 @@ all: bin $(programs)
 bin:
 	mkdir bin
 bin/% : %.c 
-	gcc -o $@ $<
+	gcc -g -o $@ $<
 clean :
 	rm $(programs)