insule.cpp: In function 'void insula(int, int)': insule.cpp:18: error: '>>' should be '> >' within a nested template argument list insule.cpp: In function 'int main()': insule.cpp:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result insule.cpp:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result