https://codeforces.com/contest/1529/problem/C시간 1초, 메모리 256MBinput :t (1 ≤ t ≤ 250)n (2 ≤ n ≤ 105)li ri (1 ≤ li ≤ ri ≤ 109).u v (1 ≤ u, v ≤ n, u≠
https://codeforces.com/contest/1529/problem/B시간 1초, 메모리 256MBinput :t (1≤t≤104)n (1≤n≤105)a1, a2, …, an (−109 ≤ ai ≤ 109)output : For each test
https://codeforces.com/contest/1529/problem/A시간 1초, 메모리 256MBinput :t (1≤t≤100)n (1≤n≤100)a1,a2,…,an (1≤ai≤100)output : For each test case print