diff --git a/comparing_binary/src/CMakeLists.txt b/comparing_binary/src/CMakeLists.txt
new file mode 100644
index 0000000..4e455a5
--- /dev/null
+++ b/comparing_binary/src/CMakeLists.txt
@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.10)
+project(Comparing_binary)
+
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../bin)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../lib)
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../lib)
+
+add_library(compare compare.c)
+
+add_executable(comparing main.c)
+target_link_libraries(comparing compare)
+
+add_compile_options(-Wall -Wextra -pedantic)
+
+enable_testing()
+add_executable(tests ../tests/tests.c)
+target_link_libraries(tests compare)
+add_test(NAME tests COMMAND tests)
\ No newline at end of file
diff --git a/comparing_binary/src/compare.c b/comparing_binary/src/compare.c
new file mode 100644
index 0000000..4917b08
--- /dev/null
+++ b/comparing_binary/src/compare.c
@@ -0,0 +1,33 @@
+#include "compare.h"
+
+int compare(int* first, int* second, int n, int k)
+{
+    int startFirst = 0;
+    while (startFirst < n && first[startFirst] == 0) {
+        startFirst++;
+    }
+
+    int startSecond = 0;
+    while (startSecond < k && second[startSecond] == 0) {
+        startSecond++;
+    }
+
+    int len1 = n - startFirst;
+    int len2 = k - startSecond;
+
+    if (len1 > len2) {
+        return 2;
+    } else if (len2 > len1) {
+        return 1;
+    }
+
+    for (int i = 0; i < len1; i++) {
+        if (first[startFirst + i] > second[startSecond + i]) {
+            return 2;
+        } else if (second[startSecond + i] > first[startFirst + i]) {
+            return 1;
+        }
+    }
+
+    return 0;
+}
\ No newline at end of file
diff --git a/comparing_binary/src/compare.h b/comparing_binary/src/compare.h
new file mode 100644
index 0000000..26b041d
--- /dev/null
+++ b/comparing_binary/src/compare.h
@@ -0,0 +1,3 @@
+#pragma once
+
+int compare(int* first, int* second, int n, int k);
\ No newline at end of file
diff --git a/comparing_binary/src/main.c b/comparing_binary/src/main.c
new file mode 100644
index 0000000..27dfdd3
--- /dev/null
+++ b/comparing_binary/src/main.c
@@ -0,0 +1,54 @@
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "compare.h"
+
+int main(void)
+{
+    int n = 0;
+    int k = 0;
+
+    if (scanf("%d %d", &n, &k) != 2) {
+        return 1;
+    }
+
+    if (n < 0 || k < 0) {
+        return 1;
+    }
+
+    int* first = calloc(n, sizeof(int));
+    int* second = calloc(k, sizeof(int));
+
+    if (first == NULL || second == NULL) {
+        return 1;
+    }
+
+    for (int i = 0; i < n; i++) {
+        if (scanf("%d", &first[i]) != 1) {
+            free(first);
+            free(second);
+            return 1;
+        }
+    }
+
+    for (int i = 0; i < k; i++) {
+        if (scanf("%d", &second[i]) != 1) {
+            free(first);
+            free(second);
+            return 1;
+        }
+    }
+
+    int res = compare(first, second, n, k);
+    if (res == 2) {
+        printf("первое больше\n");
+    } else if (res == 1) {
+        printf("второе больше\n");
+    } else {
+        printf("числа равны\n");
+    }
+
+    free(first);
+    free(second);
+    return 0;
+}
\ No newline at end of file
diff --git a/comparing_binary/tests/tests.c b/comparing_binary/tests/tests.c
new file mode 100644
index 0000000..3e3ae20
--- /dev/null
+++ b/comparing_binary/tests/tests.c
@@ -0,0 +1,58 @@
+#include <assert.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "../src/compare.h"
+
+void testEqualNumbers()
+{
+    int a[6] = { 1, 0, 1, 1, 1, 0 };
+    int b[6] = { 1, 0, 1, 1, 1, 0 };
+    assert(compare(a, b, 6, 6) == 0);
+}
+
+void testFirstBigger()
+{
+    int a[6] = { 1, 0, 1, 1, 1, 1 };
+    int b[6] = { 1, 0, 1, 1, 1, 0 };
+    assert(compare(a, b, 6, 6) == 2);
+}
+
+void testSecondBigger()
+{
+    int a[6] = { 0, 0, 1, 1, 1, 0 };
+    int b[6] = { 1, 0, 1, 1, 1, 0 };
+    assert(compare(a, b, 6, 6) == 1);
+}
+
+void testLeadingZeros()
+{
+    int a[9] = { 0, 0, 0, 1, 0, 1, 1, 1, 0 };
+    int b[8] = { 0, 0, 1, 0, 1, 1, 1, 0 };
+    assert(compare(a, b, 9, 8) == 0);
+}
+
+void testZero()
+{
+    int a[1] = { 0 };
+    int b[1] = { 0 };
+    assert(compare(a, b, 1, 1) == 0);
+}
+
+void testNotEqualLen()
+{
+    int a[1] = { 0 };
+    int b[6] = { 1, 0, 1, 1, 1, 0 };
+    assert(compare(a, b, 1, 6) == 1);
+}
+
+int main()
+{
+    testEqualNumbers();
+    testFirstBigger();
+    testSecondBigger();
+    testLeadingZeros();
+    testZero();
+    testNotEqualLen();
+    return 0;
+}