Compilare: main.cpp: In function 'int main()': main.cpp:135:35: warning: narrowing conversion of 'x' from 'long long int' to 'int' inside { } [-Wnarrowing] sol.push_back(dance({x}, {y})[0]); ^ main.cpp:135:35: warning: narrowing conversion of 'x' from 'long long int' to 'int' inside { } [-Wnarrowing] main.cpp:135:35: warning: narrowing conversion of 'y' from 'long long int' to 'int' inside { } [-Wnarrowing] main.cpp:135:35: warning: narrowing conversion of 'y' from 'long long int' to 'int' inside { } [-Wnarrowing] main.cpp:143:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < sol.size(); i++) ~~^~~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:55:29: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^