Compilare: main.cpp: In constructor 'Node::Node()': main.cpp:58:19: warning: 'Node::weight' will be initialized after [-Wreorder] int idx, depth, weight, chain_position; ^~~~~~ main.cpp:58:12: warning: 'int Node::depth' [-Wreorder] int idx, depth, weight, chain_position; ^~~~~ main.cpp:62:3: warning: when initialized here [-Wreorder] Node() : weight(0), depth(0) {} ^~~~ main.cpp: In function 'void ReadGraph()': main.cpp:83:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:85:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int u, v; scanf("%d%d", &u, &v); ^ main.cpp: In function 'void AddInitialTraffickers()': main.cpp:175:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int k; scanf("%d", &k); ^ main.cpp:178:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int u, v; scanf("%d%d", &u, &v); ^ main.cpp: In function 'void ProcessOperations()': main.cpp:228:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int q; scanf("%d", &q); ^ main.cpp:231:51: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int type, u, v; scanf("%d%d%d", &type, &u, &v); ^ main.cpp:238:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int t1, t2; scanf("%d%d", &t1, &t2); ^