Compilare: main.cpp: In function 'void fractal(int, int, int, int, int)': main.cpp:72:18: warning: unused variable 'pcadran' [-Wunused-variable] int cadran , pcadran; ^~~~~~~ main.cpp: In function 'int main()': main.cpp:88:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fractal.in" , "r" , stdin); ^ main.cpp:89:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fractal.out" , "w" , stdout); ^ main.cpp:91:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d" , &k , &y , &x); ^