Solve Problems
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Count pairs
ATTEMPTED BY: 1200 SUCCESS RATE: 40% LEVEL: Easy
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Even sum in a matrix
ATTEMPTED BY: 1259 SUCCESS RATE: 85% LEVEL: Medium
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Special bits
ATTEMPTED BY: 1762 SUCCESS RATE: 53% LEVEL: Hard
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Natural XOR elements
ATTEMPTED BY: 2859 SUCCESS RATE: 92% LEVEL: Medium
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A XOR challenge
ATTEMPTED BY: 2901 SUCCESS RATE: 93% LEVEL: Easy
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Equal elements
ATTEMPTED BY: 4719 SUCCESS RATE: 92% LEVEL: Easy
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A XOR operation
ATTEMPTED BY: 2017 SUCCESS RATE: 93% LEVEL: Easy
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Make the array even
ATTEMPTED BY: 2069 SUCCESS RATE: 92% LEVEL: Medium
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The minimum cost
ATTEMPTED BY: 2701 SUCCESS RATE: 60% LEVEL: Easy
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Lights
ATTEMPTED BY: 494 SUCCESS RATE: 78% LEVEL: Hard
