Compilare: main.cpp:273:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() ^ main.cpp: In function 'int main()': main.cpp:287:24: warning: narrowing conversion of 'x' from 'long long int' to 'int' inside { } [-Wnarrowing] t.push_back({x, y, 0}); ^ main.cpp:287:24: warning: narrowing conversion of 'y' from 'long long int' to 'int' inside { } [-Wnarrowing] main.cpp:296:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < t.size(); i++) ~~^~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:23:29: 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); ^