[code]// Problem: C. Sums on Segments// Contest: Codeforces - Educational Codeforces Round 173 (Rated for Div. 2)// URL: https://codeforces.com/contest/2043/problem/C// Memory Limit: 256 MB// Time Limit: 1000 ms// // Powered by CP Editor (https://cpeditor.org)#include #define int long long#define inf 2e18#define ull unsigned long long#define ls o n; for(int i = 1;i > a; int ix = -1; for(int i = 1;i