Chef and Inequality

CodeChefRating 1550Open on judge ↗

Chef likes inequalities. Please help him to solve next one. Given four integers a, b, c, d. Find number of solutions x y, where a ≤ x ≤ b and c ≤ y ≤ d and x, y integers. Input The first line contains an integer T denoting number of tests. First line of each test case contains four positive integer numbers a, b, c and d. Output For each test case, output a single number each in separate line

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