Compilare: main.cpp: In function 'int main()': main.cpp:92:9: warning: unused variable 't' [-Wunused-variable] int t,i,j; ^ main.cpp:92:13: warning: unused variable 'j' [-Wunused-variable] int t,i,j; ^ 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); ^ main.cpp: In function 'void dfs2(int, int)': main.cpp:217:24: warning: 'nodul' may be used uninitialized in this function [-Wmaybe-uninitialized] lnt[node]=lnt[nodul]; ~~~~~~~~~^