Compilare: user.cpp: In function ‘int GetParentColor(int*, int)’: user.cpp:72:8: warning: unused variable ‘a’ [-Wunused-variable] int a = 4 / zero; ^ user.cpp: In function ‘int main()’: user.cpp:139:9: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (lastBox.right) ^ user.cpp:96:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%d", &tests); ^ user.cpp:102:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%d %d", &n, &m); ^ user.cpp:123:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%d", &nr); ^