Compilare: user.cpp: In function ‘int main()’: user.cpp:41:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:42:98: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d%d%d%d%d%d%d", &tx, &ty, &s1x, &s1y, &s2x, &s2y, &r1x, &r1y, &r2x, &r2y); ^ user.cpp:43:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &k); ^ user.cpp:45:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x, &y); ^ user.cpp: In function ‘void lee(int, int, int, int)’: user.cpp:107:58: warning: array subscript is above array bounds [-Warray-bounds] if(unghiuriEchivalente(uaux, unghi2) && drum[k][2] == 0) ^ user.cpp:108:22: warning: array subscript is above array bounds [-Warray-bounds] drum[k][2] = mat[x][y].drum; ^ user.cpp: In function ‘int main()’: user.cpp:86:33: warning: array subscript is above array bounds [-Warray-bounds] x = (drum[1][1] >= drum[2][2]) ? drum[1][1] : drum[2][2]; ^ user.cpp:86:30: warning: array subscript is above array bounds [-Warray-bounds] x = (drum[1][1] >= drum[2][2]) ? drum[1][1] : drum[2][2]; ^ user.cpp:87:19: warning: array subscript is above array bounds [-Warray-bounds] y = (drum[1][2] >= drum[2][1]) ? drum[1][2] : drum[2][1]; ^ user.cpp:87:30: warning: array subscript is above array bounds [-Warray-bounds] y = (drum[1][2] >= drum[2][1]) ? drum[1][2] : drum[2][1]; ^