From fdad753456ebc24dfc51f3c26e37e73381dacf5f Mon Sep 17 00:00:00 2001
From: 20051799 <20051799@lab06.edu-al.unipmn.it>
Date: Thu, 19 Jan 2023 15:37:50 +0100
Subject: [PATCH] added todays assigment
---
20230119/in1.txt | 10 ++++++
20230119/in2.txt | 10 ++++++
20230119/main.c | 94 ++++++++++++++++++++++++++++++++++++++++++++++++
20230119/out.txt | 1 +
4 files changed, 115 insertions(+)
create mode 100644 20230119/in1.txt
create mode 100644 20230119/in2.txt
create mode 100644 20230119/main.c
create mode 100644 20230119/out.txt
diff --git a/20230119/in1.txt b/20230119/in1.txt
new file mode 100644
index 0000000..5f0fa2d
--- /dev/null
+++ b/20230119/in1.txt
@@ -0,0 +1,10 @@
+1
+2
+3
+4
+5
+6
+7
+8
+9
+-1
diff --git a/20230119/in2.txt b/20230119/in2.txt
new file mode 100644
index 0000000..a915231
--- /dev/null
+++ b/20230119/in2.txt
@@ -0,0 +1,10 @@
+1
+2
+3
+3
+3
+9
+8
+7
+6
+-1
diff --git a/20230119/main.c b/20230119/main.c
new file mode 100644
index 0000000..580a6d3
--- /dev/null
+++ b/20230119/main.c
@@ -0,0 +1,94 @@
+#include <stdio.h>
+
+#define ARR_SIZE(arr) (sizeof(arr) / sizeof(*arr))
+
+#define MARK -1
+
+int write_to_file(char *filename, int arr[]) {
+ int ret = 0;
+
+ FILE *file;
+ if ((file = fopen(filename, "w")) == NULL) {
+ ret = -1;
+ } else {
+ int i = 0;
+ while (arr[i] != MARK && arr[i + 1] != MARK) {
+ fprintf(file, "%d-", arr[i]);
+
+ ++i;
+ }
+ fprintf(file, "%d", arr[i]);
+
+ fclose(file);
+ }
+
+ return ret;
+}
+
+int read_from_file(char *filename, int arr[], int size) {
+ int ret;
+ FILE *file;
+ if ((file = fopen(filename, "r")) == NULL) {
+ ret = -1;
+ } else {
+ int i = 0;
+ int end = 0;
+ int buf;
+ while (i < size && !end) {
+ fscanf(file, "%d", &buf);
+ if (buf == MARK) {
+ end = 1;
+ } else {
+ arr[i] = buf;
+ ++i;
+ }
+ }
+ if (end) {
+ arr[i] = MARK;
+ ret = i;
+ } else {
+ arr[0] = MARK;
+ ret = -1;
+ }
+
+ fclose(file);
+ }
+
+ return ret;
+}
+
+void modify(int arr1[], int arr2[]) {
+ int i = 0;
+ while (arr1[i] != MARK && arr2[i] != MARK) {
+ int a = arr1[i];
+ int b = arr2[i];
+ if (a == b) {
+ arr1[i] = 0;
+ } else if (a < b) {
+ arr1[i] = b;
+ } else {
+ ++arr1[i];
+ }
+ ++i;
+ }
+}
+
+int main(void) {
+ int ret = 0;
+
+ int arr1[10];
+ if (read_from_file("in1.txt", arr1, ARR_SIZE(arr1)) < 0) {
+ ret = 1;
+ } else {
+ int arr2[10];
+
+ if (read_from_file("in2.txt", arr2, ARR_SIZE(arr2)) < 0) {
+ ret = 1;
+ } else {
+ modify(arr2, arr1);
+ write_to_file("out.txt", arr2);
+ }
+ }
+
+ return ret;
+}
diff --git a/20230119/out.txt b/20230119/out.txt
new file mode 100644
index 0000000..0684616
--- /dev/null
+++ b/20230119/out.txt
@@ -0,0 +1 @@
+0-0-0-4-5-10-9-8-9
\ No newline at end of file
--
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