Compilare: main.cpp: In function 'bool operator<(tip, tip)': main.cpp:63:30: warning: suggest parentheses around '&&' within '||' [-Wparentheses] return a.x<b.x || a.x==b.x && a.y<b.y; ~~~~~~~~~^~~~~~~~~~ main.cpp: In function 'bool cup(int)': main.cpp:114:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[k].size();i++) ~^~~~~~~~~~~~ main.cpp:124:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[k].size();i++) ~^~~~~~~~~~~~ main.cpp: In member function 'char Parser::getChar()': main.cpp:16:48: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(str, sizeof(char), SIZE, fin); ^