Compilare: main.cpp: In function 'int pos1(int, int)': main.cpp:25:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int pos(int, int, int)': main.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:50:36: 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:51:38: 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); ^