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< 1 2 3 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 517 | Wardrobe | Statement | E | VK Cup 2018 - Round 2 {924} | PROGRAMMING | 2600 | |||
| 1887 | Is This a Zebra? | Statement | C | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | Разбор VK Cup 2018 — Уайлд-кард Раунд 1 | 1600 | ||
| 1481 | Large Bouquets | Statement | G | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | Разбор VK Cup 2018 — Уайлд-кард Раунд 1 | 1700 | ||
| 1713 | Add Points | Statement | B | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | Разбор VK Cup 2018 — Уайлд-кард Раунд 1 | 1800 | ||
| 934 | Choose Place | Statement | D | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | Разбор VK Cup 2018 — Уайлд-кард Раунд 1 | 1800 | ||
| 666 | A Vital Problem | Statement | I | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | Разбор VK Cup 2018 — Уайлд-кард Раунд 1 | 1900 | ||
| 931 | Merge Equal Elements | Statement | E | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | 2100 | |||
| 219 | Endless Roses Most Beautiful | Statement | H | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | Разбор VK Cup 2018 — Уайлд-кард Раунд 1 | 2300 | ||
| 235 | Mobile Communications | Statement | F | VK Cup 2018 - Wild-card Round 1 {926} | PROGRAMMING | Разбор VK Cup 2018 — Уайлд-кард Раунд 1 | 2400 | ||
| 1 | BuberPool Taxi Optimization | Statement | A | VK Cup 2018 - Wild-card Round 2 {927} | PROGRAMMING | 2800 | |||
| 152 | Пограничные врата | Statement | D | VK Cup 2018 - Квалификация 2 {929} | PROGRAMMING | 2600 | |||
| 642 | Cheese Board | Statement | E | April Fools Contest 2018 {952} | PROGRAMMING | April Fools Day Contest 2018: editorial | 2200 | ||
| 397 | 2 + 2 != 4 | Statement | F | April Fools Contest 2018 {952} | PROGRAMMING | April Fools Day Contest 2018: editorial | 2700 | ||
| 95 | Icicles | Statement | E | Codeforces Round 471 (Div. 2) {955} | PROGRAMMING | 2900 | |||
| 88 | Hyperspace Jump (hard) | Statement | D2 | Helvetic Coding Contest 2018 online mirror (teams allowed, unrated) {958} | PROGRAMMING | 3000 | |||
| 46 | Death Stars (hard) | Statement | A3 | Helvetic Coding Contest 2018 online mirror (teams allowed, unrated) {958} | PROGRAMMING | 3100 | |||
| 60 | The Moral Dilemma | Statement | F | Codeforces Round 488 by NEAR (Div. 1) {993} | PROGRAMMING | Codeforces Round #488 editorial | 3100 | ||
| 845 | Generate superposition of all basis states | Statement | A1 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 1900 | ||
| 559 | Generate superposition of zero state and a basis state | Statement | A2 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 1900 | ||
| 476 | Generate superposition of two basis states | Statement | A3 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 1900 | ||
| 478 | Distinguish zero state and W state | Statement | B1 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2000 | ||
| 446 | Distinguish GHZ state and W state | Statement | B2 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2100 | ||
| 411 | Distinguish four 2-qubit states | Statement | B3 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2100 | ||
| 404 | Oracle for f(x) = b * x mod 2 | Statement | D1 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2100 | ||
| 381 | Oracle for f(x) = b * x + (1 - b) * (1 - x) mod 2 | Statement | D2 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2100 | ||
| 322 | Bernstein-Vazirani algorithm | Statement | E1 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2100 | ||
| 309 | Distinguish four 2-qubit states - 2 | Statement | B4 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2200 | ||
| 333 | Oracle for majority function | Statement | D3 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2200 | ||
| 302 | Distinguish zero state and plus state with minimum error | Statement | C1 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2300 | ||
| 267 | Generate W state | Statement | A4 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2400 | ||
| 267 | Distinguish zero state and plus state without errors | Statement | C2 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2400 | ||
| 203 | Another array reconstruction algorithm | Statement | E2 | Microsoft Q# Coding Contest - Summer 2018 {1002} | PROGRAMMING | Editorial | 2400 | ||
| 3925 | Curiosity Has No Limits | Statement | B | Technocup 2019 - Elimination Round 2 {1031} | PROGRAMMING | Codeforces Round #517 and Technocup 2019 Elimination Round 2 Editorial | 1500 | ||
| 6872 | Kitchen Utensils | Statement | A | Technocup 2019 - Elimination Round 3 {1032} | PROGRAMMING | Codeforces Round #522 and Technocup 2019 Elimination Round 3 Editorial | 1100 | ||
| 5002 | Personalized Cup | Statement | B | Technocup 2019 - Elimination Round 3 {1032} | PROGRAMMING | Codeforces Round #522 and Technocup 2019 Elimination Round 3 Editorial | 1300 | ||
| 466 | Chattering | Statement | G | Technocup 2019 - Elimination Round 3 {1032} | PROGRAMMING | Codeforces Round #522 and Technocup 2019 Elimination Round 3 Editorial | 2700 | ||
| 82 | Jellyfish Nightmare | Statement | G | Mail.Ru Cup 2018 Round 2 {1055} | PROGRAMMING | Mail.Ru Cup 2018 Round 2 — analysis | 3100 | ||
| 17681 | Good Array | Statement | C | Codeforces Round 521 (Div. 3) {1077} | PROGRAMMING | Codeforces Round #521 (Div. 3) Editorial | 1400 | ||
| 617 | Rock-Paper-Scissors Champion | Statement | F | Technocup 2019 - Elimination Round 4 {1085} | PROGRAMMING | Technocup 2019 — Elimination Round 4 + Codeforces Round 528: editorial | 2700 | ||
| 4023 | Lazyland | Statement | L | 2018-2019 ICPC, NEERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1089} | PROGRAMMING | T | 1200 | ||
| 382 | Interval-Free Permutations | Statement | I | 2018-2019 ICPC, NEERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1089} | PROGRAMMING | T | 2800 | ||
| 1432 | LaTeX Expert | Statement | B | 2018-2019 Russia Open High School Programming Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1090} | PROGRAMMING | 2000 | |||
| 1071 | Minimal Product | Statement | I | 2018-2019 Russia Open High School Programming Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1090} | PROGRAMMING | 2200 | |||
| 606 | Horseback Riding | Statement | E | 2018-2019 Russia Open High School Programming Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1090} | PROGRAMMING | 2400 | |||
| 504 | New Year Presents | Statement | C | 2018-2019 Russia Open High School Programming Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1090} | PROGRAMMING | 2500 | |||
| 99 | Linearization | Statement | H | 2018-2019 Russia Open High School Programming Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1090} | PROGRAMMING | 3000 | |||
| 323 | Generate state |00⟩ + |01⟩ + |10⟩ | Statement | A1 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 180 | Generate equal superposition of four basis states | Statement | A2 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 133 | Distinguish three-qubit states | Statement | B1 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 59 | Not A, not B or not C? | Statement | B2 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 264 | Alternating bits oracle | Statement | C1 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 186 | "Is the bit string periodic?" oracle | Statement | C2 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 184 | "Is the number of ones divisible by 3?" oracle | Statement | C3 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 275 | Block diagonal matrix | Statement | D1 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 233 | Pattern of increasing blocks | Statement | D2 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 203 | X-wing fighter | Statement | D3 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 169 | TIE fighter | Statement | D4 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 149 | Creeper | Statement | D5 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 79 | Hessenberg matrix | Statement | D6 | Microsoft Q# Coding Contest - Winter 2019 {1116} | PROGRAMMING | Contest editorial | |||
| 429 | Fourier Doodles | Statement | E | April Fools Day Contest 2019 {1145} | PROGRAMMING | 66327 | |||
| 514 | Neat Words | Statement | F | April Fools Day Contest 2019 {1145} | PROGRAMMING | 66327 | |||
| 177 | AI Takeover | Statement | G | April Fools Day Contest 2019 {1145} | PROGRAMMING | ||||
| 41 | Heidi and the Turing Test (Hard) | Statement | C3 | Helvetic Coding Contest 2019 online mirror (teams allowed, unrated) {1184} | PROGRAMMING | helvetic-coding-contest-2019-editorial.pdf | 3200 | ||
| 179 | Cursor Distance | Statement | F | Codeforces Round 596 (Div. 1, based on Technocup 2020 Elimination Round 2) {1246} | PROGRAMMING | Tutorial | 3400 | ||
| 5659 | Copying Homework | Statement | A | 2019-2020 ICPC, Asia Jakarta Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1252} | PROGRAMMING | T | 1000 | ||
| 31 | Mission Possible | Statement | I | 2019-2020 ICPC, Asia Jakarta Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1252} | PROGRAMMING | T | 3200 | ||
| 4064 | Balls of Buma | Statement | B | 2019-2020 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1267} | PROGRAMMING | nerc-2019-tutorial.pdf | 1300 | ||
| 1019 | Apprentice Learning Trajectory | Statement | A | 2019-2020 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1267} | PROGRAMMING | 2500 | |||
| 11812 | MEX maximizing | data structures greedy implementation math | Statement | D | Codeforces Round 615 (Div. 3) {1294} | PROGRAMMING | Codeforces Round #615 (Div. 3) Editorial | 1600 | |
| 297 | Nash equilibrium | Statement | A | AIM Tech Poorly Prepared Contest (unrated, funny, Div. 1 preferred) {1302} | PROGRAMMING | 73599 | |||
| 96 | Dijkstra | Statement | D | AIM Tech Poorly Prepared Contest (unrated, funny, Div. 1 preferred) {1302} | PROGRAMMING | 73599 | |||
| 46 | Amazing bitset | Statement | E | AIM Tech Poorly Prepared Contest (unrated, funny, Div. 1 preferred) {1302} | PROGRAMMING | 73599 | |||
| 23 | Keep talking and nobody explodes -- medium | Statement | G | AIM Tech Poorly Prepared Contest (unrated, funny, Div. 1 preferred) {1302} | PROGRAMMING | 73599 | |||
| 8 | Who needs suffix structures? | Statement | H | AIM Tech Poorly Prepared Contest (unrated, funny, Div. 1 preferred) {1302} | PROGRAMMING | 73599 | |||
| 4 | Deja vu | Statement | I | AIM Tech Poorly Prepared Contest (unrated, funny, Div. 1 preferred) {1302} | PROGRAMMING | 73599 | |||
| 10 | Keep talking and nobody explodes -- hard | Statement | J | AIM Tech Poorly Prepared Contest (unrated, funny, Div. 1 preferred) {1302} | PROGRAMMING | 73599 | |||
| 161 | Blocks and Sensors | Statement | F | Codeforces Round 625 (Div. 1, based on Technocup 2020 Final Round) {1320} | PROGRAMMING | 2500.0 | Codeforces Round #625 Editorial | ||
| 14345 | Contest for Robots | Statement | A | Codeforces Round 625 (Div. 2, based on Technocup 2020 Final Round) {1321} | PROGRAMMING | 500.0 | Codeforces Round #625 Editorial | ||
| 17119 | Is it rated? | Statement | A | April Fools Day Contest 2020 {1331} | PROGRAMMING | April Fools Day Contest 2020: editorial | |||
| 505 | Lingua Romana | Statement | G | April Fools Day Contest 2020 {1331} | PROGRAMMING | April Fools Day Contest 2020: editorial | |||
| 626 | It's showtime | Statement | H | April Fools Day Contest 2020 {1331} | PROGRAMMING | April Fools Day Contest 2020: editorial | |||
| 10895 | Three Blocks Palindrome (easy version) | binary search brute force data structures dp two pointers | Statement | E1 | Codeforces Round 634 (Div. 3) {1335} | PROGRAMMING | 75993 | 1700 | |
| 8388 | Three Blocks Palindrome (hard version) | brute force data structures dp two pointers | Statement | E2 | Codeforces Round 634 (Div. 3) {1335} | PROGRAMMING | 75993 | 2000 | |
| 632 | Figure out direction of CNOT | Statement | A1 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 511 | Distinguish I, CNOTs and SWAP | Statement | A2 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 479 | Distinguish H from X | Statement | A3 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 352 | Distinguish Rz from R1 | Statement | A4 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 241 | Distinguish Rz(θ) from Ry(θ) | Statement | A5 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 168 | Distinguish four Pauli gates | Statement | A6 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 183 | Distinguish Y, XZ, -Y and -XZ | Statement | A7 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 214 | "Is the bit string balanced?" oracle | Statement | B1 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 214 | "Is the number divisible by 3?" oracle | Statement | B2 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 348 | Prepare superposition of basis states with 0s | Statement | C1 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 304 | Prepare superposition of basis states with the same parity | Statement | C2 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 125 | Quantum Classification - Dataset 3 | Statement | D1 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 112 | Quantum Classification - Dataset 4 | Statement | D2 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 105 | Quantum Classification - Dataset 5 | Statement | D3 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 85 | Quantum Classification - Dataset 6 | Statement | D4 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 82 | Quantum Classification - Dataset 7 | Statement | D5 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial | |||
| 193 | Power of quantum Fourier transform | Statement | E1 | Microsoft Q# Coding Contest - Summer 2020 {1357} | PROGRAMMING | Microsoft Q# Coding Contest – Summer 2020: editorial |