Compilare: main.cpp: In function 'int main()': main.cpp:104:9: warning: unused variable 't' [-Wunused-variable] int t,i,j; ^ main.cpp:105:9: warning: unused variable 'x' [-Wunused-variable] int x,y,xx,yy; ^ main.cpp:105:11: warning: unused variable 'y' [-Wunused-variable] int x,y,xx,yy; ^ 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 'int main()': main.cpp:124:21: warning: 'yy' may be used uninitialized in this function [-Wmaybe-uninitialized] rec(xx,yy,maxim); ^ main.cpp:124:21: warning: 'xx' may be used uninitialized in this function [-Wmaybe-uninitialized]