← All problemsSign in

Delhi 24

What would you get in Delhi? ### Input - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains of a single line of input, two integers $A, B$. ### Output For each testcase, output in a single line answer modulo 1000000007. ### Constraints - $1 \leq T \leq 100000$ - $1 \leq A \leq 100000$ - $0 \leq B \leq 100000$ - $B \leq A$ ### Subtasks - 30 poi

HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
🔒
L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI

Sign in to chat with the tutor and save your progress.

Sign in to start