Working with lesson_3_branch.

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CMakeLists.txt

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+cmake_minimum_required(VERSION 3.25)
+
+project(C_Homework C)
+
+add_subdirectory(src/CompilationProcess)
+
+add_compile_options(-Wall -Wextra -Wpedantic)

src/CompilationProcess/CMakeLists.txt

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+add_executable(braketBalance bracketBalance.c)
+add_executable(oneStringInAnother oneStringInAnother.c)
+add_executable(zerosInMassive zerosInMassive.c)

src/CompilationProcess/bracketBalance.c

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+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+bool checkBrackets(char* stringWithBrackets, int len)
+{
+    if (len == 0) {
+        return false;
+    }
+    // специальный счетчик, "(" это +1 ")" это -1. Если скобочная посл-ть
+    // правильная, counter == 0
+    int counter = 0;
+    for (int i = 0; i < len; i++) {
+        if (stringWithBrackets[i] == '(') {
+            counter++;
+        }
+        if (stringWithBrackets[i] == ')') {
+            counter--;
+        }
+        if (counter < 0) {
+            break;
+        }
+    }
+    if (counter == 0) {
+        return true;
+    }
+    return false;
+}
+
+int main()
+{
+    // подразумеватся, что пользователь может ввести не только скобки и в кол-ве
+    // символов он должен указать всё кол-во символов включая скобки и не скобки.
+    int len = 0;
+    printf("Введите, сколько символов Вы хотите ввести, закончите ввод, нажав "
+           "enter\n");
+    printf("На следующей строке введите скобочную последовательность\n");
+    scanf("%d", &len);
+    // отловим этот '\n'
+    getchar();
+    char* stringWithBrackets = malloc(len * sizeof(char));
+    // счетчик чтобы считать кол-во скобок
+    int counter = 0;
+    for (int i = 0; i < len; i++) {
+        char tmp = ' ';
+        scanf("%c", &tmp);
+        if (tmp == ')' || tmp == '(') {
+            stringWithBrackets[counter] = tmp;
+            ++counter;
+        }
+    }
+    bool isCorrect = checkBrackets(stringWithBrackets, counter);
+    if (isCorrect) {
+        printf("Скобочная последовательность правильная\n");
+    } else {
+        printf("Скобочная последовательность неправильная или не было введено ни "
+               "одной скобки\n");
+    }
+    free(stringWithBrackets);
+    return 0;
+}

src/CompilationProcess/oneStringInAnother.c

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+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    char biggerString[] = "hellohellhellolllhello";
+    char smallerString[] = "hello";
+    size_t lenForBiggerString = sizeof(biggerString) / sizeof(char) - 1;
+    size_t lenForSmallerString = sizeof(smallerString) / sizeof(char) - 1;
+    int entryCounter = 0;
+    // i - индекс эл-та с которого будем рассматривать большую строку
+    for (unsigned i = 0; i <= lenForBiggerString - lenForSmallerString; i++) {
+        bool flag = true;
+        for (unsigned j = 0; j < lenForSmallerString; j++) {
+            if (biggerString[i + j] != smallerString[j]) {
+                flag = false;
+                break;
+            }
+        }
+        if (flag) {
+            ++entryCounter;
+        }
+    }
+    printf("%d\n", entryCounter);
+    return 0;
+}
+// Должно вывести 3

src/CompilationProcess/zerosInMassive.c

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+#include <stdio.h>
+
+int main()
+{
+    // пусть массив задан в программе
+    int arrayWithNumbers[] = { 0, 1, 3, 0, 6, 0, 7, 4, 6, 2, 0, 0 };
+    int zeroCounter = 0;
+    size_t lengthOfArray = sizeof(arrayWithNumbers) / sizeof(int);
+
+    for (int i = 0; i < lengthOfArray; i++) {
+        if (arrayWithNumbers[i] == 0) {
+            ++zeroCounter;
+        }
+    }
+    printf("%d\n", zeroCounter);
+    return 0;
+}
+
+// выводит 5 - кол-во нулей