Compilare: main.cpp: In function 'int main()': main.cpp:19:19: warning: unused variable 'k' [-Wunused-variable] 19 | long long n,j,k,l,t,m,i,fin1,fin2,val,x1,y1,lin,col,poz1,poz2,z,portale=0,dij; | ^ main.cpp:19:21: warning: unused variable 'l' [-Wunused-variable] 19 | long long n,j,k,l,t,m,i,fin1,fin2,val,x1,y1,lin,col,poz1,poz2,z,portale=0,dij; | ^ main.cpp:19:23: warning: unused variable 't' [-Wunused-variable] 19 | long long n,j,k,l,t,m,i,fin1,fin2,val,x1,y1,lin,col,poz1,poz2,z,portale=0,dij; | ^ main.cpp:19:39: warning: variable 'val' set but not used [-Wunused-but-set-variable] 19 | long long n,j,k,l,t,m,i,fin1,fin2,val,x1,y1,lin,col,poz1,poz2,z,portale=0,dij; | ^~~ main.cpp:230:47: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized] 230 | minimsol=min(minimsol,minim+react[u][h]+maxim); | ~~~~~~~~~~^ main.cpp:230:47: warning: 'h' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:101:16: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] 101 | fre[x1][y1]=1; | ~~~~~~~~~~~^~ main.cpp:101:16: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:195:40: warning: 'fin1' may be used uninitialized in this function [-Wmaybe-uninitialized] 195 | long long minimsol=distp[fin1][fin2],minim; | ~~~~~~~~~~~~~~~~^ main.cpp:195:40: warning: 'fin2' may be used uninitialized in this function [-Wmaybe-uninitialized]