Cody

# Problem 5. Triangle Numbers

• What is Size?
1 – 10 of 31,381

#### Solution 3012514

Submitted 1 hour and 59 minutes ago by farhan gony

• Size: 22
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#### Solution 3012448

Submitted 2 hours and 21 minutes ago by Anthony Chen

• Size: 17
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#### Solution 3011914

Submitted 5 hours and 36 minutes ago by Miguel Ángel Meneses Álvarez

• Size: 16
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#### Solution 3011644

Submitted 7 hours and 48 minutes ago by Spectro

• Size: 14
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#### Solution 3011608

Submitted 8 hours and 1 minute ago by June Keller

• Size: 22
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#### Solution 3011602

Submitted 8 hours and 3 minutes ago

• Incorrect
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#### Solution 3011014

Submitted 12 hours and 44 minutes ago by Monther Alrwashdeh

• Size: 28
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#### Solution 3010018

Submitted 16 hours and 25 minutes ago by Long Pham

• Size: 14
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#### Solution 3009586

Submitted 17 hours and 45 minutes ago by Eray Aydin

• Size: 26
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#### Solution 3009583

Submitted 17 hours and 45 minutes ago

• Incorrect
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1 – 10 of 31,381