Compilare: main.cpp: In function 'int bfs()': main.cpp:13:17: warning: unused variable 't' [-Wunused-variable] 13 | int i,s=0,x,t=tg; | ^ main.cpp: In function 'int main()': main.cpp:97:6: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 97 | for(int i=1;i<=n1;i++) | ^~~ main.cpp:101:10: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 101 | g.close(); | ^ main.cpp:41:16: warning: unused variable 'j' [-Wunused-variable] 41 | int i,x,y,j; | ^ main.cpp:42:10: warning: unused variable 'c' [-Wunused-variable] 42 | int c; | ^