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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
1146 / 3284
413
Euclid algorithm
359 / 870
571
The greatest common divisor
2188 / 2457
752
Ahoy, Pirates!
274 / 370
1033
Cake from Tolya
722 / 887
1146
GCD
1673 / 1886
1147
GCD Extreme
168 / 381
1148
GCD LCM
491 / 600
1151
Treasure Hunter
792 / 1009
1154
Circle of choirs
2533 / 3381
1181
Mint
319 / 389
1182
Simple division
599 / 657
1183
Boxes
598 / 769
1184
Hyper-drive
190 / 212
1185
Sum of numbers in a tree
151 / 203
1229
GCD Extreme II
614 / 833
1230
GCD Super-Extreme
67 / 133
1243
Least Common Multiple
1013 / 1172
1245
Island of Misfortune
64 / 151
1246
Minimum Sum LCM
440 / 571
1247
LCM Cardinality
130 / 159
1655
The Least Common Multiple
861 / 1280
1690
Контрольная работа
667 / 816
2210
Саморасшифровавшаяся шифровка
27 / 47
2298
Marbles
78 / 111