Compilare: user.cpp: In function ‘void read()’: user.cpp:24:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0, u, v, c; i < M; i++) ^ user.cpp: In function ‘bool augumentingPath(int, int)’: user.cpp:41:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i <= Terminal; i++) ^ user.cpp: At global scope: user.cpp:101:5: warning: second argument of ‘int main(int, int**)’ should be ‘char **’ [-Wmain] int main(int argc, int **argv) ^ user.cpp: In function ‘int main(int, int**)’: user.cpp:9:20: warning: unused variable ‘var_argv’ [-Wunused-variable] #define DEC(x) int var_##x; ^ user.cpp:103:3: note: in expansion of macro ‘DEC’ DEC(argv[0]); ^ user.cpp: In function ‘void read()’: user.cpp:23:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d", &N, &M); ^ user.cpp:26:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d", &u, &v, &c); ^