Eroare de compilare: main.cpp: In function 'void dfs(int)': main.cpp:13:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:23:16: error: 'a' was not declared in this scope if(a[v][j]!=inf) ^ main.cpp: In function 'int main()': main.cpp:42:24: error: expected primary-expression before ')' token for(int i=1;i<=n;++) ^ main.cpp:44:13: error: 'a' was not declared in this scope a[i][j]=inf; ^ Non zero exit status: 1