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Problems

Complexity
All Problems Very simple Simple Average Difficult Very difficult
gcd-lcm
All Problems 2-sat algorithms-on-strings articulation-point backtracking beginners bellman-ford-algorithm binary-search bitwise-operators breadth-first-search bridges calculation-system catalan-numbers clique combinatorics connected-components depth-first-search dijkstra-algorithm diophantine-equations dynamic-programming euclid-extended-algorithm Others...
135
LCM
1047 / 3091
413
Euclid algorithm
317 / 797
571
The greatest common divisor
2053 / 2309
752
Ahoy, Pirates!
266 / 360
1033
Cake from Tolya
674 / 821
1146
GCD
1469 / 1650
1147
GCD Extreme
154 / 354
1148
GCD LCM
439 / 546
1151
Treasure Hunter
647 / 846
1154
Circle of choirs
2259 / 3068
1181
Mint
259 / 326
1182
Simple division
481 / 536
1183
Boxes
554 / 722
1184
Hyper-drive
141 / 161
1185
Sum of numbers in a tree
141 / 191
1229
GCD Extreme II
463 / 655
1230
GCD Super-Extreme
58 / 117
1243
Least Common Multiple
922 / 1074
1245
Island of Misfortune
64 / 146
1246
Minimum Sum LCM
390 / 519
1247
LCM Cardinality
118 / 141
1655
The Least Common Multiple
678 / 1083
1690
Контрольная работа
611 / 746
2210
Саморасшифровавшаяся шифровка
27 / 47
2298
Marbles
76 / 98