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Name
Tags
Solutions
Index
Contest
Type
Points
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3183 Petya and His Friends constructive algorithms math number theory Statement D Codeforces Beta Round 61 (Div. 2) {66} PROGRAMMING Codeforces Beta Round #61 (Div. 2): Editorial 1700
505 Three Horses constructive algorithms math number theory Statement E Codeforces Round 166 (Div. 2) {271} PROGRAMMING 2500
8086 Levko and Permutation constructive algorithms math number theory Statement B Codeforces Round 210 (Div. 2) {361} PROGRAMMING Codeforces Round #210 editorial 1200
9850 Mashmokh and Numbers constructive algorithms number theory Statement A Codeforces Round 240 (Div. 1) {414} PROGRAMMING Codeforces Round #240 Editorial 1500
2282 Jzzhu and Apples constructive algorithms number theory Statement C Codeforces Round 257 (Div. 1) {449} PROGRAMMING Codeforces Round #257 Editorial 2500
2794 Prefix Product Sequence constructive algorithms math number theory Statement C Codeforces Round 278 (Div. 1) {487} PROGRAMMING Tutorial 2600
11962 Soldier and Number Game constructive algorithms dp math number theory Statement D Codeforces Round 304 (Div. 2) {546} PROGRAMMING Codeforces Round #304 (Div.2) editorial 1700
7815 GCD Table constructive algorithms greedy number theory Statement A Codeforces Round 323 (Div. 1) {582} PROGRAMMING Codeforces Round #323 Editorial 1700
3587 Simple Subset constructive algorithms greedy number theory Statement D Educational Codeforces Round 12 {665} PROGRAMMING Editorial 2000
21820 Alyona and Numbers constructive algorithms math number theory Statement A Codeforces Round 358 (Div. 2) {682} PROGRAMMING 45491 1200
1389 Vulnerable Kerbals constructive algorithms dp graphs math number theory Statement C VK Cup 2017 - Round 2 {772} PROGRAMMING VK Cup Round 2 + Codeforces Round #409 Tutorial 2400
21130 Sherlock and his girlfriend constructive algorithms number theory Statement B ICM Technex 2017 and Codeforces Round 400 (Div. 1 + Div. 2, combined) {776} PROGRAMMING ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined) Editorial 1200
645 Divisibility constructive algorithms dp greedy number theory Statement F Codeforces Round 461 (Div. 2) {922} PROGRAMMING 57605 2500
3101 Mahmoud and Ehab and another array construction task constructive algorithms greedy math number theory Statement D Codeforces Round 473 (Div. 2) {959} PROGRAMMING Codeforces round #473 editorial 2000
9423 Meaningless Operations constructive algorithms math number theory Statement C Codeforces Global Round 1 {1110} PROGRAMMING The Editorial of the First Codeforces Global Round 1500
1630 Cooperative Game constructive algorithms interactive number theory Statement D Codeforces Round 545 (Div. 1) {1137} PROGRAMMING Codeforces Round #545 – Editorial 2500
15293 Prefix Sum Primes constructive algorithms greedy math number theory Statement A Codeforces Round 556 (Div. 1) {1149} PROGRAMMING 66783 1300
11503 All the Vowels Please constructive algorithms math number theory Statement B Codeforces Round 561 (Div. 2) {1166} PROGRAMMING Codeforces Round #561 (Div. 2) Editorial 1100
12035 Ehab and a Special Coloring Problem constructive algorithms number theory Statement C Codeforces Round 563 (Div. 2) {1174} PROGRAMMING Codeforces round #563 editorial 1300
7434 Prime Graph constructive algorithms greedy math number theory Statement D Codeforces Global Round 4 {1178} PROGRAMMING E 1600
12665 Tile Painting constructive algorithms math number theory Statement A Codeforces Round 599 (Div. 1) {1242} PROGRAMMING Codeforces Round #599 Editorial 1500
948 Beautiful Fibonacci Problem constructive algorithms number theory Statement F Codeforces Round 604 (Div. 1) {1264} PROGRAMMING 71995 3600
9724 Diverse Matrix constructive algorithms greedy math number theory Statement C Codeforces Global Round 6 {1266} PROGRAMMING Codeforces Global Round 6 Editorial 1400
40500 EhAb AnD gCd constructive algorithms greedy number theory Statement A Codeforces Round 628 (Div. 2) {1325} PROGRAMMING 500.0 74235 800
30517 Bad Ugly Numbers constructive algorithms number theory Statement A Codeforces Global Round 7 {1326} PROGRAMMING 500.0 74961 1000
870 Guess Divisors Count constructive algorithms interactive number theory Statement F Codeforces Round 643 (Div. 2) {1355} PROGRAMMING 3000.0 Codeforces Round #643 (Div. 2) Editorial 2600
7824 A/B Matrix constructive algorithms flows greedy math number theory Statement G Codeforces Round 644 (Div. 3) {1360} PROGRAMMING Codeforces Round #644 (Div. 3) Editorial 1900
10634 Two Divisors constructive algorithms math number theory Statement D Educational Codeforces Round 89 (Rated for Div. 2) {1366} PROGRAMMING Educational Codeforces Round 89 Editorial