imagine.cpp: In function 'void Divide_Impera(int, int, int, int)': imagine.cpp:9: warning: unused variable 'nr0' imagine.cpp:9: warning: unused variable 'nr1' imagine.cpp: In function 'int main()': imagine.cpp:42: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result imagine.cpp:48: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result