Compilare: user.cpp:9:1: warning: ‘typedef’ was ignored in this declaration typedef struct edge{ ^~~~~~~ user.cpp: In function ‘int main()’: user.cpp:51:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < G[cur].size(); i++) { ~~^~~~~~~~~~~~~~~ user.cpp:34:9: warning: unused variable ‘j’ [-Wunused-variable] int i, j, x, y, z; ^