cosmetic changes

Author: boruno

StandardLibraryEssentials/StandardTemplateLibrary/InputOutputStreams/src/task.cpp

@@ -3,20 +3,21 @@
 #include <iomanip>
 
 bool isNumber(const std::string& token) {
-    if (token.empty()) {
+    if (token.empty() || (token.size() == 1 && token[0] == '-')) {
         return false;
     }
     int dotCount = 0;
     int minusCount = 0;
-    for (char c : token) {
+    for (size_t i = 0; i < token.size(); ++i) {
+        char c = token[i];
         if (c == '.') {
-            if (dotCount > 0) {
+            if (dotCount > 0 || i == 0 || (i == 1 && token[0] == '-') || i == token.size() - 1) {
                 return false;
             }
             dotCount++;
         }
         else if (c == '-') {
-            if (minusCount > 0 || token[0] != '-') {
+            if (minusCount > 0 || i != 0) {
                 return false;
             }
             minusCount++;

StandardLibraryEssentials/StandardTemplateLibrary/InputOutputStreams/task-info.yaml

@@ -10,9 +10,9 @@ files:
         length: 57
         placeholder_text: /* TODO */
       - offset: 105
-        length: 513
+        length: 660
         placeholder_text: /* TODO */
-      - offset: 648
+      - offset: 795
         length: 393
         placeholder_text: /* TODO */
   - name: test/test.cpp

StandardLibraryEssentials/StandardTemplateLibrary/InputOutputStreams/test/test.cpp

@@ -29,6 +29,20 @@ TEST(streamReaderTester, IsNumberTest) {
     ASSERT_TRUE(isNumber("123.456"));
     ASSERT_TRUE(isNumber("-123"));
     ASSERT_TRUE(isNumber("-123.456"));
+    ASSERT_FALSE(isNumber("123."));
+    ASSERT_FALSE(isNumber(".123"));
+    ASSERT_FALSE(isNumber("123.456.789"));
+    ASSERT_FALSE(isNumber("123-456"));
+    ASSERT_FALSE(isNumber("123-"));
+    ASSERT_FALSE(isNumber("-123-"));
+    ASSERT_FALSE(isNumber("-123-456"));
+    ASSERT_FALSE(isNumber("-.123"));
+    ASSERT_FALSE(isNumber("-"));
+    ASSERT_FALSE(isNumber("."));
+    ASSERT_FALSE(isNumber(""));
+    ASSERT_FALSE(isNumber("-."));
+    ASSERT_FALSE(isNumber("a"));
+    ASSERT_FALSE(isNumber("a123"));
 }
 
 TEST(streamReaderTester, BiggerInput) {

StandardLibraryEssentials/StandardTemplateLibrary/IteratorCategories/include/iterator.h

@@ -1,6 +1,9 @@
 #ifndef CPPBASICS_ITERATOR_H
 #define CPPBASICS_ITERATOR_H
 
+#include <iostream>
+#include <vector>
+
 class VectorIterator {
 public:
     using pointer = int *;

StandardLibraryEssentials/StandardTemplateLibrary/IteratorCategories/src/task.cpp

@@ -1,6 +1,3 @@
-#include <iostream>
-#include <vector>
-#include <algorithm>
 #include "../include/iterator.h"
 
 VectorIterator::VectorIterator(pointer ptr) {

StandardLibraryEssentials/StandardTemplateLibrary/IteratorCategories/task-info.yaml

@@ -6,31 +6,31 @@ files:
   - name: src/task.cpp
     visible: true
     placeholders:
-      - offset: 143
+      - offset: 84
         length: 11
         placeholder_text: /* TODO */
-      - offset: 224
+      - offset: 165
         length: 13
         placeholder_text: /* TODO */
-      - offset: 300
+      - offset: 241
         length: 12
         placeholder_text: /* TODO */
-      - offset: 367
+      - offset: 308
         length: 25
         placeholder_text: /* TODO */
-      - offset: 449
+      - offset: 390
         length: 58
         placeholder_text: /* TODO */
-      - offset: 562
+      - offset: 503
         length: 25
         placeholder_text: /* TODO */
-      - offset: 644
+      - offset: 585
         length: 58
         placeholder_text: /* TODO */
-      - offset: 778
+      - offset: 719
         length: 24
         placeholder_text: /* TODO */
-      - offset: 879
+      - offset: 820
         length: 24
         placeholder_text: /* TODO */
   - name: test/test.cpp

StandardLibraryEssentials/StandardTemplateLibrary/STLAlgorithms/src/task.cpp

@@ -40,31 +40,26 @@ int main() {
     int n = 10;
     int x = 5;
 
-    // Create and fill the vector
     std::vector<int> vec = create_and_fill(n);
     std::cout << "After create_and_fill: ";
     for (int i : vec) std::cout << i << ' ';
     std::cout << '\n';
 
-    // Shuffle the vector
     shuffle_vector(vec);
     std::cout << "After shuffle_vector: ";
     for (int i : vec) std::cout << i << ' ';
     std::cout << '\n';
 
-    // Sort the vector in descending order
     sort_descending(vec);
     std::cout << "After sort_descending: ";
     for (int i : vec) std::cout << i << ' ';
     std::cout << '\n';
 
-    // Reverse the vector
     reverse_vector(vec);
     std::cout << "After reverse_vector: ";
     for (int i : vec) std::cout << i << ' ';
     std::cout << '\n';
 
-    // Find the value x in the vector
     auto it = find_value(vec, x);
     if (it != vec.end()) {
         std::cout << "After find_value: Found " << x << " at position " << std::distance(vec.begin(), it) << '\n';