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Codeforces Solutions

This repository contains my solutions of Codeforces problems. They are in C++ language.

If this repository helped you out, please consider giving it a

Index

Sorted by Problem ID

Index Problem ID Problem Name Question Solution
1 1 A Theater Square Question Solution
2 2 A Winner Question Solution
3 4 A Watermelon Question Solution
4 4 C Registration System Question Solution
5 9 A Die Roll Question Solution
6 11 A Increasing Sequence Question Solution
7 17 A Noldbach problem Question Solution
8 22 A Second Order Statistics Question Solution
9 34 A Reconnaissance 2 Question Solution
10 34 B Sale Question Solution
11 41 A Translation Question Solution
12 45 A Codecraft III Question Solution
13 50 A DominoPiling Question Solution
14 59 A Word Question Solution
15 71 A Way Too Long Words Question Solution
16 74 A Room Leader Question Solution
17 110 A Nearly Lucky Number Question Solution
18 112 A Petya And Strings Question Solution
19 116 A Tram Question Solution
20 118 B Present from Lena Question Solution
21 122 A Lucky Division Question Solution
22 122 B Lucky Substring Question Solution
23 131 A cAPS lOCK Question Solution
24 136 A Presents Question Solution
25 141 A Amusing Joke Question Solution
26 144 A Arrival of the General Question Solution
27 148 A Insomnia cure Question Solution
28 151 A Soft Drinking Question Solution
29 155 A I_love_%username% Question Solution
30 158 A Next Round Question Solution
31 158 B Taxi Question Solution
32 173 A Rock-Paper-Scissors Question Solution
33 189 A Cut Ribbon Question Solution
34 200 B Drinks Question Solution
35 208 A Dubstep Question Solution
36 230 B T-primes Question Solution
37 231 A Team Question Solution
38 236 A Boy Or Girl Question Solution
39 263 A Beautiful Matrix Question Solution
40 266 A Stones on the Table Question Solution
41 266 B Queue at the School Question Solution
42 268 A Games Question Solution
43 271 A Beautiful Year Question Solution
44 281 A Word Capitalization Question Solution
45 282 A Bit++ Question Solution
46 313 A Ilya and Bank Account Question Solution
47 318 A Even Odds Question Solution
48 339 A Helpful Maths Question Solution
49 343 B Alternating Current Question Solution
50 344 A Magnets Question Solution
51 349 A Cinema Line Question Solution
52 411 A Password Check Question Solution
53 421 A Pasha and Hamsters Question Solution
54 456 B Fedya and Maths Question Solution
55 466 A Cheap Travel Question Solution
56 474 B Worms Question Solution
57 478 C Table Decorations Question Solution
58 486 A Calculating Function Question Solution
59 489 B BerSU Ball Question Solution
60 492 A Vanya and Cubes Question Solution
61 492 B Vanya and Lanterns Question Solution
62 510 A Fox And Snake Question Solution
63 514 A Chewbaсca and Number Question Solution
64 525 A Vitaliy and Pie Question Solution
65 546 A Soldier and Bananas Question Solution
66 584 A Olesya and Rodion Question Solution
67 599 A Patrick and Shopping Question Solution
68 617 A Elephant Question Solution
69 630 A Again Twenty Five! Question Solution
70 677 A Vanya and Fence Question Solution
71 705 A Hulk Question Solution
72 706 B Interesting drink Question Solution
73 734 A Anton and Danik Question Solution
74 742 A Arpas hard exam and Mehrdads naive cheat Question Solution
75 791 A Bear And Big Brother Question Solution
76 854 A Fraction Question Solution
77 855 A Tom Riddle's Diary Question Solution
78 977 A Wrong Substraction Question Solution
79 1068 A Birthday Question Solution
80 1076 C Meme Problem Question Solution
81 1088 A Ehab and another construction problem Question Solution
82 1118 B Tanya and Candies Question Solution
83 1144 C Two Shuffled Sequences Question Solution
84 1154 A Restoring Three Numbers Question Solution
85 1196 A Three Piles of Candies Question Solution
86 1295 A Display The Number Question Solution
87 1296 A Array with Odd Sum Question Solution
88 1311 A Add Odd or Subtract Even Question Solution
89 1328 A Divisibility Problem Question Solution
90 1341 A Nastya and Rice Question Solution
91 1343 B Balanced Array Question Solution
92 1352 C K-th Not Divisible by n Question Solution
93 1360 B Honest Coach Question Solution
94 1364 A XXXXX Question Solution
95 1367 B Even Array Question Solution
96 1389 A LCM Problem Question Solution
97 1391 B Fix You Question Solution
98 1399 A Remove Smallest Question Solution
99 1426 A Floor Number Question Solution
100 1512 A Spy Detected! Question Solution
101 1582 B Luntik and Subsequences Question Solution
102 1624 B Make AP Question Solution
103 1633 A Div. 7 Question Solution
104 1675 B Make It Increasing Question Solution
105 1676 A Lucky Question Solution
106 1679 A AvtoBus Question Solution
107 1692 A Marathon Question Solution
108 1696 B NIT Destroys the Universe Question Solution
109 1703 A YES or YES Question Solution
110 1719 A Chip Game Question Solution
111 1719 B Mathematical Circus Question Solution
112 1721 B Deadly Laser Question Solution
113 1726 A Mainak and Array Question Solution
114 1742 A Sum Question Solution
115 1742 C Stripes Question Solution
116 1746 B Rebellion Question Solution
117 1748 A The Ultimate Square Question Solution
118 1758 B XOR = Average Question Solution
119 1760 A Medium Number Question Solution
120 1761 A Two Permutations Question Solution
121 1766 A Extremely Round Question Solution
122 1773 F Football Question Solution
123 1777 A Everybody Likes Good Arrays! Question Solution
124 1783 A Make it Beautiful Question Solution
125 1788 A One and Two Question Solution
126 1789 A Serval and Mocha's Array Question Solution
127 1791 B Following Directions Question Solution
128 1791 C Prepend and Append Question Solution
129 1792 A Gaming Forces Question Solution
130 1794 B Not Dividing Question Solution
131 1795 B Ideal Point Question Solution
132 1800 A Is It a Cat Question Solution
133 1805 A We Need the Zero Question Solution
134 1806 A Walking Master Question Solution
135 1807 D Odd Queries Question Solution
136 1811 A Insert Digit Question Solution
137 1814 A Coins Question Solution
138 1818 B Indivisible Question Solution
139 1822 A TubeTube Feed Question Solution
140 1822 C Bun Lover Question Solution
141 1828 A Divisible Array Question Solution
142 1828 B Permutation Swap Question Solution
143 1829 A Love Story Question Solution
144 1829 B Blank Spaces Question Solution
145 1829 C Mr. Perfectly Fine Question Solution
146 1829 D Gold Rush Question Solution
147 1831 A Twin Permutations Question Solution
148 1832 A New Palindrome Question Solution
149 1832 B Maximum Sum Question Solution
150 1833 A Musical Puzzle Question Solution
151 1833 B Restore the Weather Question Solution
152 1833 C Vlad Building Beautiful Array Question Solution
153 1834 A Unit Array Question Solution
154 1837 A Grasshopper on a Line Question Solution
155 1837 B Comparison String Question Solution
156 1841 B Keep it Beautiful Question Solution
157 1843 A Sasha and Array Coloring Question Solution
158 1843 B Long Long Question Solution
159 1844 A Subtraction Game Question Solution
160 1845 A Forbidden Integer Question Solution
161 1846 A Rudolph and Cut the Rope Question Solution
162 1846 B Rudolph and Tic-Tac-Toe Question Solution
163 1846 C Rudolf and the Another Competition Question Solution
164 1848 A Vika and Her Friends Question Solution
165 1849 A Morning Sandwich Question Solution
166 1849 B Monsters Question Solution
167 1850 A To My Critics Question Solution
168 1850 B Ten Words of Wisdom Question Solution
169 1850 C Word on the Paper Question Solution
170 1850 D Balanced Round Question Solution
171 1851 A Escalator Conversations Question Solution
172 1851 B Parity Sort Question Solution
173 1851 C Tiles Comeback Question Solution
174 1853 A Desorting Question Solution
175 1855 A Dalton the Teacher Question Solution
176 1855 B Longest Divisors Interval Question Solution
177 1856 B Good Arrays Question Solution
178 1857 A Array Coloring Question Solution
179 1857 B Maximum Rounding Question Solution
180 1857 C Assembly via Minimums Question Solution
181 1858 A Buttons Question Solution
182 1859 A United We Stand Question Solution
183 1860 A Not a Substring Question Solution
184 1862 A Gift Carpet Question Solution
185 1862 B Sequence Game Question Solution
186 1863 A Channel Question Solution
187 1864 A Increasing and Decreasing Question Solution
188 1866 A Ambitious Kid Question Solution
189 1869 A Make It Zero Question Solution
190 1870 A MEXanized Array Question Solution
191 1872 A Two Vessels Question Solution
192 1872 B The Corridor or There and Back Again Question Solution
193 1872 C Non-coprime Split Question Solution
194 1873 A Short Sort Question Solution
195 1873 B Good Kid Question Solution
196 1873 C Target Practice Question Solution
197 1873 D 1D Eraser Question Solution
198 1875 A Jellyfish and Undertale Question Solution
199 1877 A Goals of Victory Question Solution
200 1878 A How Much Does Daytona Cost Question Solution
201 1878 B Aleksa and Stack Question Solution
202 1878 C Vasilije in Cacak Question Solution
203 1879 A Rigged! Question Solution
204 1879 B Chips on the Board Question Solution
205 1881 A Don't Try to Count Question Solution
206 1881 B Three Threadlets Question Solution
207 1881 C Perfect Square Question Solution
208 1883 B Chemistry Question Solution
209 1890 A Doremy's Paint 3 Question Solution
210 1890 B Qingshan Loves Strings Question Solution
211 1891 A Sorting with Twos Question Solution
212 1894 A Secret Sport Question Solution
213 1895 A Treasure Chest Question Solution
214 1895 B Points and Minimum Distance Question Solution
215 1896 A Jagged Swaps Question Solution
216 1896 B AB Flipping Question Solution
217 1898 A Milica and String Question Solution
218 1899 A Game with Integers Question Solution
219 1900 A Cover in Water Question Solution
220 1900 B Laura and Operations Question Solution
221 1901 A Line Trip Question Solution
222 1902 A Binary Imbalance Question Solution
223 1903 A Halloumi Boxes Question Solution
224 1904 A Forked! Question Solution
225 1904 B Collecting Game Question Solution
226 1905 A Constructive Problems Question Solution
227 1905 B Begginer's Zelda Question Solution
228 1905 C Largest Subsequence Question Solution
229 1907 A Rook Question Solution
230 1907 B YetnotherrokenKeoard Question Solution
231 1907 C Removal of Unattractive Pairs Question Solution
232 1909 A Distinct Buttons Question Solution
233 1912 L LOL Lovers Question Solution
234 1913 A Rating Increase Question Solution
235 1913 B Swap and Delete Question Solution
236 1913 C Game with Multiset Question Solution
237 1914 A Problemsolving Log Question Solution
238 1914 B Preparing for the Contest Question Solution
239 1914 C Quests Question Solution
240 1914 D Three Activities Question Solution
241 1914 E1 Game with Marbles (Easy Version) Question Solution
242 1914 E2 Game with Marbles (Hard Version) Question Solution
243 1915 A Odd One Out Question Solution
244 1915 B Not Quite Latin Square Question Solution
245 1915 C Can I Square Question Solution
246 1915 D Unnatural Language Processing Question Solution
247 1915 E Romantic Glasses Question Solution
248 1916 A 2023 Question Solution
249 1916 B Two Divisors Question Solution
250 1916 C Training Before the Olympiad Question Solution
251 1916 D Mathematical Problem Question Solution
252 1917 A Least Product Question Solution
253 1917 B Erase First or Second Letter Question Solution
254 1918 A Brick Wall Question Solution
255 1918 B Minimize Inversions Question Solution
256 1919 A Wallet Exchange Question Solution
257 1919 B Plus-Minus Split Question Solution
258 1920 A Satisfying Constraints Question Solution
259 1920 B Summation Game Question Solution
260 1921 A Square Question Solution
261 1921 B Arranging Cats Question Solution
262 1921 C Sending Messages Question Solution
263 1921 D Very Different Array Question Solution
264 1923 A Moving Chips Question Solution
265 1923 B Monsters Attack! Question Solution
266 1927 A Make it White Question Solution
267 1927 B Following the String Question Solution
268 1927 C Choose the Different Ones Question Solution
269 1927 D Find the Different Ones! Question Solution
270 1927 E Klever Permutation Question Solution
271 1928 A Rectangle Cutting Question Solution
272 1928 B Equalize Question Solution
273 1929 A Sasha and the Beautiful Array Question Solution
274 1929 B Sasha and the Drawing Question Solution
275 1930 A Maximise The Score Question Solution
276 1930 B Permutation Printing Question Solution
277 1931 A Recovering a Small String Question Solution
278 1931 B Make Equal Question Solution
279 1931 C Make Equal Again Question Solution
280 1933 A Turtle Puzzle Rearrange and Negate Question Solution
281 1933 B Turtle Math Fast Three Task Question Solution
282 1933 C Turtle Fingers Count the Values of k Question Solution
283 1945 A Setting up Camp Question Solution
284 1954 C Long Multiplication Question Solution
285 1955 A Yogurt Sale Question Solution
286 1955 B Progressive Square Question Solution
287 1955 C Inhabitant of the Deep Sea Question Solution
288 1955 D Inaccurate Subsequence Search Question Solution
289 1955 E Long Inversions Question Solution
290 1955 F Unfair Game Question Solution
291 1956 A Nene's Game Question Solution
292 1956 B Nene and the Card Game Question Solution
293 1956 C Nene's Magical Matrix Question Solution
294 1957 A Stickogon Question Solution
295 1957 B A BIT of a Construction Question Solution
296 1957 C How Does the Rook Move Question Solution
297 1968 A Maximize Question Solution
298 1968 B Prefiquence Question Solution
299 1968 C Assembly via Remainders Question Solution
300 1968 D Permutation Game Question Solution
301 1969 A Two Friends Question Solution
302 1969 B Shifts and Sorting Question Solution

About Me 👀

I am Shazid Mashrafi.
I am currently studying Computer Science and Engineering & trying to work my way up in the programming world.
Visit my Website and Codeforces account.