Compilare: user.cpp: In function ‘int solve(int, int)’: user.cpp:17:7: warning: unused variable ‘aux’ [-Wunused-variable] int aux, m=0, dir, l, c; ^ user.cpp: In function ‘int main()’: user.cpp:35:10: warning: unused variable ‘k’ [-Wunused-variable] int n, k, i, j, ml, mc, lung, cop, ok, dir, l, c; ^ user.cpp:36:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:39:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i][j]); ^ user.cpp:61:18: warning: ‘ml’ may be used uninitialized in this function [-Wmaybe-uninitialized] sol[lung][0]=ml; sol[lung][1]=mc; cop=lung; ^ user.cpp:61:35: warning: ‘mc’ may be used uninitialized in this function [-Wmaybe-uninitialized] sol[lung][0]=ml; sol[lung][1]=mc; cop=lung; ^