Solve Problems
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Valid pairs
ATTEMPTED BY: 1005 SUCCESS RATE: 87% LEVEL: Easy
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Array Construction
ATTEMPTED BY: 187 SUCCESS RATE: 54% LEVEL: Medium
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URL shortener
ATTEMPTED BY: 687 SUCCESS RATE: 83% LEVEL: Hard
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Unusual construction
ATTEMPTED BY: 648 SUCCESS RATE: 89% LEVEL: Medium
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Count pairs
ATTEMPTED BY: 1558 SUCCESS RATE: 88% LEVEL: Medium
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Pairs of elements
ATTEMPTED BY: 2398 SUCCESS RATE: 88% LEVEL: Medium
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Cells in a matrix
ATTEMPTED BY: 1744 SUCCESS RATE: 82% LEVEL: Easy
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Plot the Curve
ATTEMPTED BY: 1166 SUCCESS RATE: 56% LEVEL: Easy
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Similar Chocolates
ATTEMPTED BY: 1117 SUCCESS RATE: 63% LEVEL: Easy
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Maximum Sum
ATTEMPTED BY: 1880 SUCCESS RATE: 69% LEVEL: Easy
