Compilare: user.cpp: In function ‘void turn(int*, int*)’: user.cpp:28:23: warning: unused variable ‘aux’ [-Wunused-variable] int i, j, nn, mm, aux, gay[210][210]; ^ user.cpp: In function ‘int main()’: user.cpp:140:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &m); ^ user.cpp:143:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", &v[i][1]); ^ user.cpp: In function ‘int opti(int, int)’: user.cpp:98:28: warning: ‘maxh’ may be used uninitialized in this function [-Wmaybe-uninitialized] drebun[i].w = maxt / maxh; ^