Compilare: user.cpp: In function ‘void Prim()’: user.cpp:55:23: warning: variable ‘dad’ set but not used [-Wunused-but-set-variable] int dist[NodMax], dad[NodMax]; ^ user.cpp: In function ‘void Read()’: user.cpp:107:39: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[5]’ [-Wformat=] scanf("%d %d %s\n", &x, &y, &s); ^ user.cpp:101:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &test); ^ user.cpp:102:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &N, &M); ^ user.cpp:107:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %s\n", &x, &y, &s); ^ user.cpp: In function ‘int main()’: user.cpp:141:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ninjago.in", "r", stdin); ^ user.cpp:142:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ninjago.out", "w", stdout); ^