Compilare: user.cpp: In function ‘int flow()’: user.cpp:72:17: warning: unused variable ‘mini’ [-Wunused-variable] int cc = 0, mini = inf; ^ user.cpp: In function ‘void read()’: user.cpp:20:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &n, &m, &k); ^ user.cpp:22:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &x, &y, &z); ^ user.cpp: In function ‘int main()’: user.cpp:102:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("terenuri3d.in", "r", stdin); ^ user.cpp:103:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("terenuri3d.out", "w", stdout); ^