Compilare: user.cpp: In function ‘void dijk()’: user.cpp:5:13: warning: overflow in implicit constant conversion [-Woverflow] #define INF 1e12 ^ user.cpp:33:19: note: in expansion of macro ‘INF’ dist[i] = INF; ^~~ user.cpp:32:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for( int i = 1 ; i <= n ; i++ ) ^~~ user.cpp:34:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ dist[s] = 0; ^~~~ user.cpp:43:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int k = 0 ; k < ld[i].size() ; k ++ ) ~~^~~~~~~~~~~~~~ user.cpp:45:20: warning: unused variable ‘jj’ [-Wunused-variable] int ii, jj; ^~ user.cpp:39:17: warning: variable ‘c’ set but not used [-Wunused-but-set-variable] int i, c; ^