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1115
Area Ratio
Easy
1116
Product of digits
Easy
1117
Queen, rook and bishop
Very easy
1118
Watermelons
Very easy
1119
Pyramid of the symbols
1120
Quadrilateral
Very easy
1121
A^B mod C
Medium
1122
Rook, knight and bishop
Very easy
1123
Lucky Number
Very easy
1124
Alphabetic graffiti
1125
The Angle
Easy
1126
Count primes
Medium
1127
Big Number
Very easy
1128
Longge`s problem
Very easy
1129
Revision of the store
Easy
1130
Graded lexicographic order
Easy
1131
Abacaba
Easy
1132
100 Great Ukrainians
Very easy
1133
Segment and Squares
Easy
1134
Exchange between three heroes
Medium
1135
Arithmetic Exercise
Hard
1136
Remakes
Easy
1137
Determinant
Very hard
1138
Sum of products
Easy
1139
The sum of different divisors
Medium
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