
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A 10 cm ruler without any markings is given. What is the minimum number of intermediate markings needed on the ruler so that it can measure segments of lengths 1 cm, 2 cm, 3 cm, ..., 10 cm by applying the ruler only once each time?

Present the answer in LaTex format: \boxed{Your answer}
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