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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
1073 / 3166
413
Euclid algorithm
336 / 826
571
The greatest common divisor
2117 / 2379
752
Ahoy, Pirates!
271 / 365
1033
Cake from Tolya
708 / 862
1146
GCD
1579 / 1772
1147
GCD Extreme
166 / 373
1148
GCD LCM
487 / 595
1151
Treasure Hunter
684 / 888
1154
Circle of choirs
2373 / 3199
1181
Mint
263 / 331
1182
Simple division
495 / 549
1183
Boxes
558 / 727
1184
Hyper-drive
145 / 165
1185
Sum of numbers in a tree
141 / 191
1229
GCD Extreme II
510 / 714
1230
GCD Super-Extreme
63 / 126
1243
Least Common Multiple
969 / 1123
1245
Island of Misfortune
64 / 146
1246
Minimum Sum LCM
399 / 531
1247
LCM Cardinality
129 / 157
1655
The Least Common Multiple
750 / 1168
1690
Контрольная работа
619 / 756
2210
Саморасшифровавшаяся шифровка
27 / 47
2298
Marbles
76 / 98