Compilare: user.cpp: In function ‘void solve()’: user.cpp:136:25: warning: unused variable ‘x’ [-Wunused-variable] int x = d[pozn.l][pozn.c]; ^ user.cpp: In function ‘void readFile()’: user.cpp:32:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d%d", &n, &m, &k); ^ user.cpp:33:62: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d%d%d", &pozs.l, &pozs.c, &pozf.l, &pozf.c); ^ user.cpp:39:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &v[i].l, &v[i].c); ^