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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 1106 C Lunar New Year and Number Division Question Solution
83 1118 B Tanya and Candies Question Solution
84 1144 C Two Shuffled Sequences Question Solution
85 1154 A Restoring Three Numbers Question Solution
86 1166 A Silent Classroom Question Solution
87 1196 A Three Piles of Candies Question Solution
88 1279 A New Year Garland Question Solution
89 1295 A Display The Number Question Solution
90 1296 A Array with Odd Sum Question Solution
91 1301 A Three Strings Question Solution
92 1311 A Add Odd or Subtract Even Question Solution
93 1328 A Divisibility Problem Question Solution
94 1341 A Nastya and Rice Question Solution
95 1343 B Balanced Array Question Solution
96 1352 C K-th Not Divisible by n Question Solution
97 1360 B Honest Coach Question Solution
98 1364 A XXXXX Question Solution
99 1367 A Short Substrings Question Solution
100 1367 B Even Array Question Solution
101 1389 A LCM Problem Question Solution
102 1391 B Fix You Question Solution
103 1399 A Remove Smallest Question Solution
104 1426 A Floor Number Question Solution
105 1512 A Spy Detected! Question Solution
106 1534 A Colour the Flag Question Solution
107 1582 B Luntik and Subsequences Question Solution
108 1606 A AB Balance Question Solution
109 1607 B Odd Grasshopper Question Solution
110 1624 B Make AP Question Solution
111 1633 A Div. 7 Question Solution
112 1665 B Array Cloning Technique Question Solution
113 1666 D Deletive Editing Question Solution
114 1675 B Make It Increasing Question Solution
115 1676 A Lucky Question Solution
116 1679 A AvtoBus Question Solution
117 1680 A Minimums and Maximums Question Solution
118 1692 A Marathon Question Solution
119 1696 B NIT Destroys the Universe Question Solution
120 1703 A YES or YES Question Solution
121 1703 B ICPC Balloons Question Solution
122 1719 A Chip Game Question Solution
123 1719 B Mathematical Circus Question Solution
124 1721 B Deadly Laser Question Solution
125 1726 A Mainak and Array Question Solution
126 1742 A Sum Question Solution
127 1742 C Stripes Question Solution
128 1746 B Rebellion Question Solution
129 1748 A The Ultimate Square Question Solution
130 1758 B XOR = Average Question Solution
131 1760 A Medium Number Question Solution
132 1761 A Two Permutations Question Solution
133 1765 B Broken Keyboard Question Solution
134 1765 E Exchange Question Solution
135 1765 K Torus Path Question Solution
136 1765 M Minimum LCM Question Solution
137 1766 A Extremely Round Question Solution
138 1773 F Football Question Solution
139 1777 A Everybody Likes Good Arrays! Question Solution
140 1783 A Make it Beautiful Question Solution
141 1788 A One and Two Question Solution
142 1789 A Serval and Mocha's Array Question Solution
143 1791 B Following Directions Question Solution
144 1791 C Prepend and Append Question Solution
145 1792 A Gaming Forces Question Solution
146 1794 B Not Dividing Question Solution
147 1795 B Ideal Point Question Solution
148 1800 A Is It a Cat Question Solution
149 1805 A We Need the Zero Question Solution
150 1806 A Walking Master Question Solution
151 1807 D Odd Queries Question Solution
152 1811 A Insert Digit Question Solution
153 1814 A Coins Question Solution
154 1818 B Indivisible Question Solution
155 1822 A TubeTube Feed Question Solution
156 1822 C Bun Lover Question Solution
157 1828 A Divisible Array Question Solution
158 1828 B Permutation Swap Question Solution
159 1829 A Love Story Question Solution
160 1829 B Blank Spaces Question Solution
161 1829 C Mr. Perfectly Fine Question Solution
162 1829 D Gold Rush Question Solution
163 1831 A Twin Permutations Question Solution
164 1832 A New Palindrome Question Solution
165 1832 B Maximum Sum Question Solution
166 1833 A Musical Puzzle Question Solution
167 1833 B Restore the Weather Question Solution
168 1833 C Vlad Building Beautiful Array Question Solution
169 1834 A Unit Array Question Solution
170 1837 A Grasshopper on a Line Question Solution
171 1837 B Comparison String Question Solution
172 1841 B Keep it Beautiful Question Solution
173 1843 A Sasha and Array Coloring Question Solution
174 1843 B Long Long Question Solution
175 1844 A Subtraction Game Question Solution
176 1845 A Forbidden Integer Question Solution
177 1846 A Rudolph and Cut the Rope Question Solution
178 1846 B Rudolph and Tic-Tac-Toe Question Solution
179 1846 C Rudolf and the Another Competition Question Solution
180 1848 A Vika and Her Friends Question Solution
181 1849 A Morning Sandwich Question Solution
182 1849 B Monsters Question Solution
183 1850 A To My Critics Question Solution
184 1850 B Ten Words of Wisdom Question Solution
185 1850 C Word on the Paper Question Solution
186 1850 D Balanced Round Question Solution
187 1851 A Escalator Conversations Question Solution
188 1851 B Parity Sort Question Solution
189 1851 C Tiles Comeback Question Solution
190 1853 A Desorting Question Solution
191 1855 A Dalton the Teacher Question Solution
192 1855 B Longest Divisors Interval Question Solution
193 1856 B Good Arrays Question Solution
194 1857 A Array Coloring Question Solution
195 1857 B Maximum Rounding Question Solution
196 1857 C Assembly via Minimums Question Solution
197 1858 A Buttons Question Solution
198 1859 A United We Stand Question Solution
199 1860 A Not a Substring Question Solution
200 1862 A Gift Carpet Question Solution
201 1862 B Sequence Game Question Solution
202 1863 A Channel Question Solution
203 1864 A Increasing and Decreasing Question Solution
204 1866 A Ambitious Kid Question Solution
205 1869 A Make It Zero Question Solution
206 1870 A MEXanized Array Question Solution
207 1872 A Two Vessels Question Solution
208 1872 B The Corridor or There and Back Again Question Solution
209 1872 C Non-coprime Split Question Solution
210 1873 A Short Sort Question Solution
211 1873 B Good Kid Question Solution
212 1873 C Target Practice Question Solution
213 1873 D 1D Eraser Question Solution
214 1875 A Jellyfish and Undertale Question Solution
215 1877 A Goals of Victory Question Solution
216 1878 A How Much Does Daytona Cost Question Solution
217 1878 B Aleksa and Stack Question Solution
218 1878 C Vasilije in Cacak Question Solution
219 1879 A Rigged! Question Solution
220 1879 B Chips on the Board Question Solution
221 1881 A Don't Try to Count Question Solution
222 1881 B Three Threadlets Question Solution
223 1881 C Perfect Square Question Solution
224 1883 B Chemistry Question Solution
225 1890 A Doremy's Paint 3 Question Solution
226 1890 B Qingshan Loves Strings Question Solution
227 1891 A Sorting with Twos Question Solution
228 1894 A Secret Sport Question Solution
229 1895 A Treasure Chest Question Solution
230 1895 B Points and Minimum Distance Question Solution
231 1896 A Jagged Swaps Question Solution
232 1896 B AB Flipping Question Solution
233 1898 A Milica and String Question Solution
234 1899 A Game with Integers Question Solution
235 1900 A Cover in Water Question Solution
236 1900 B Laura and Operations Question Solution
237 1901 A Line Trip Question Solution
238 1902 A Binary Imbalance Question Solution
239 1903 A Halloumi Boxes Question Solution
240 1904 A Forked! Question Solution
241 1904 B Collecting Game Question Solution
242 1905 A Constructive Problems Question Solution
243 1905 B Begginer's Zelda Question Solution
244 1905 C Largest Subsequence Question Solution
245 1907 A Rook Question Solution
246 1907 B YetnotherrokenKeoard Question Solution
247 1907 C Removal of Unattractive Pairs Question Solution
248 1909 A Distinct Buttons Question Solution
249 1912 L LOL Lovers Question Solution
250 1913 A Rating Increase Question Solution
251 1913 B Swap and Delete Question Solution
252 1913 C Game with Multiset Question Solution
253 1914 A Problemsolving Log Question Solution
254 1914 B Preparing for the Contest Question Solution
255 1914 C Quests Question Solution
256 1914 D Three Activities Question Solution
257 1914 E1 Game with Marbles (Easy Version) Question Solution
258 1914 E2 Game with Marbles (Hard Version) Question Solution
259 1915 A Odd One Out Question Solution
260 1915 B Not Quite Latin Square Question Solution
261 1915 C Can I Square Question Solution
262 1915 D Unnatural Language Processing Question Solution
263 1915 E Romantic Glasses Question Solution
264 1916 A 2023 Question Solution
265 1916 B Two Divisors Question Solution
266 1916 C Training Before the Olympiad Question Solution
267 1916 D Mathematical Problem Question Solution
268 1917 A Least Product Question Solution
269 1917 B Erase First or Second Letter Question Solution
270 1918 A Brick Wall Question Solution
271 1918 B Minimize Inversions Question Solution
272 1919 A Wallet Exchange Question Solution
273 1919 B Plus-Minus Split Question Solution
274 1920 A Satisfying Constraints Question Solution
275 1920 B Summation Game Question Solution
276 1921 A Square Question Solution
277 1921 B Arranging Cats Question Solution
278 1921 C Sending Messages Question Solution
279 1921 D Very Different Array Question Solution
280 1923 A Moving Chips Question Solution
281 1923 B Monsters Attack! Question Solution
282 1927 A Make it White Question Solution
283 1927 B Following the String Question Solution
284 1927 C Choose the Different Ones Question Solution
285 1927 D Find the Different Ones! Question Solution
286 1927 E Klever Permutation Question Solution
287 1928 A Rectangle Cutting Question Solution
288 1928 B Equalize Question Solution
289 1929 A Sasha and the Beautiful Array Question Solution
290 1929 B Sasha and the Drawing Question Solution
291 1930 A Maximise The Score Question Solution
292 1930 B Permutation Printing Question Solution
293 1931 A Recovering a Small String Question Solution
294 1931 B Make Equal Question Solution
295 1931 C Make Equal Again Question Solution
296 1933 A Turtle Puzzle Rearrange and Negate Question Solution
297 1933 B Turtle Math Fast Three Task Question Solution
298 1933 C Turtle Fingers Count the Values of k Question Solution
299 1945 A Setting up Camp Question Solution
300 1954 C Long Multiplication Question Solution
301 1955 A Yogurt Sale Question Solution
302 1955 B Progressive Square Question Solution
303 1955 C Inhabitant of the Deep Sea Question Solution
304 1955 D Inaccurate Subsequence Search Question Solution
305 1955 E Long Inversions Question Solution
306 1955 F Unfair Game Question Solution
307 1956 A Nene's Game Question Solution
308 1956 B Nene and the Card Game Question Solution
309 1956 C Nene's Magical Matrix Question Solution
310 1957 A Stickogon Question Solution
311 1957 B A BIT of a Construction Question Solution
312 1957 C How Does the Rook Move Question Solution
313 1968 A Maximize Question Solution
314 1968 B Prefiquence Question Solution
315 1968 C Assembly via Remainders Question Solution
316 1968 D Permutation Game Question Solution
317 1968 E Cells Arrangement Question Solution
318 1968 F Equal XOR Segments Question Solution
319 1968 G1 Division + LCP (easy version) Question Solution
320 1969 A Two Friends Question Solution
321 1969 B Shifts and Sorting Question Solution
322 1971 A My First Sorting Problem Question Solution
323 1971 B Different String Question Solution
324 1971 C Clock and Strings Question Solution
325 1971 D Binary Cut Question Solution
326 1971 E Find the Car Question Solution
327 1971 F Circle Perimeter Question Solution
328 1976 A Verify Password Question Solution
329 1976 B Increase Decrease Copy Question Solution
330 1977 A Little Nikita Question Solution
331 1978 A Alice and Books Question Solution
332 1978 B New Bakery Question Solution
333 1979 A Guess the Maximum Question Solution
334 1979 B XOR Sequences Question Solution
335 1979 C Earning on Bets Question Solution
336 1980 A Problem Generator Question Solution
337 1980 B Choosing Cubes Question Solution
338 1980 C Sofia and the Lost Operations Question Solution
339 1980 D GCD-sequence Question Solution
340 1981 A Turtle and Piggy Are Playing a Game Question Solution
341 1981 B Turtle and an Infinite Sequence Question Solution
342 1981 C Turtle and an Incomplete Sequence Question Solution
343 1982 A Soccer Question Solution
344 1982 B Collatz Conjecture Question Solution
345 1982 C Boring Day Question Solution
346 1982 D Beauty of the mountains Question Solution
347 1985 A Creating Words Question Solution
348 1985 B Maximum Multiple Sum Question Solution
349 1985 C Good Prefixes Question Solution
350 1985 D Manhattan Circle Question Solution
351 1985 E Secret Box Question Solution
352 1985 F Final Boss Question Solution
353 1985 G D-Function Question Solution
354 1986 A X Axis Question Solution
355 1986 B Matrix Stabilization Question Solution
356 1986 C Update Queries Question Solution
357 1986 D Mathematical Problem Question Solution
358 1986 E Beautiful Array Question Solution
359 1988 A Split the Multiset Question Solution
360 1988 B Make Majority Question Solution
361 1989 A Catch the Coin Question Solution
362 1989 B Substring and Subsequence Question Solution
363 1989 C Two Movies Question Solution
364 1991 A Maximize the Last Element Question Solution
365 1991 B AND Reconstruction Question Solution
366 1991 C Absolute Zero Question Solution
367 1992 A Only Pluses Question Solution
368 1992 B Angry Monk Question Solution
369 1992 C Gorilla and Permutation Question Solution
370 1993 A Question Marks Question Solution
371 1993 B Parity and Sum Question Solution
372 1996 A Legs Question Solution
373 1996 B Scale Question Solution
374 1996 C Sort Question Solution
375 1996 D Fun Question Solution
376 1997 A Strong Password Question Solution
377 1997 B Make Three Regions Question Solution
378 1997 C Even Positions Question Solution
379 1997 D Maximize the Root Question Solution
380 1999 A A+B Again Question Solution
381 1999 B Card Game Question Solution
382 1999 C Showering Question Solution
383 1999 D Slavic's Exam Question Solution
384 2000 A Primary Task Question Solution
385 2000 B Seating in a Bus Question Solution
386 2000 C Numeric String Template 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.