Class FlowEdge

HackerEarth_problems/New Friends/solution.cpp:38–42

#define ull unsigned long long int
#define mod 1000000007
struct FlowEdge {
    int v, u;
    long long cap, flow = 0;
    FlowEdge(int v, int u, long long cap) : v(v), u(u), cap(cap) {}
};
const ll INF=1e15;
struct Dinic {
    const long long flow_inf = 1e18;