Compilare: user.cpp: In function ‘void turn(int*, int*, int)’: user.cpp:34:23: warning: unused variable ‘aux’ [-Wunused-variable] int i, j, nn, mm, aux, gay[210][210]; ^ user.cpp: In function ‘void calcbun(int, int, int)’: user.cpp:97:15: warning: unused variable ‘l’ [-Wunused-variable] int i, j, l, maxu, maxd, maxt, x, scoase, maxh; ^ user.cpp:97:18: warning: unused variable ‘maxu’ [-Wunused-variable] int i, j, l, maxu, maxd, maxt, x, scoase, maxh; ^ user.cpp:97:24: warning: unused variable ‘maxd’ [-Wunused-variable] int i, j, l, maxu, maxd, maxt, x, scoase, maxh; ^ user.cpp: In function ‘int opti(int, int)’: user.cpp:144:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, maxu, maxd, maxt, l, cur; ^ user.cpp: In function ‘int main()’: user.cpp:194:31: 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:197:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", &v[i][1]); ^