Compilare: main.cpp: In function 'int main()': main.cpp:173:9: warning: value computed is not used [-Wunused-value] 173 | f>>n>>q; | ~~~~^~~ main.cpp:257:16: warning: value computed is not used [-Wunused-value] 257 | f>>a>>b>>c; | ~~~~~~~^~~ main.cpp:267:18: warning: value computed is not used [-Wunused-value] 267 | f>>st>>dr>>x; | ~~~~~~~~~^~~ main.cpp:268:9: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] 268 | if(x=='x') tip=0; | ^~ main.cpp:272:15: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] 272 | update(1,1,n,st,dr,tip); | ~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:272:15: warning: 'tip' may be used uninitialized in this function [-Wmaybe-uninitialized]