Eroare de compilare: main.cpp:5:7: error: 'N' was not declared in this scope int r[N],n,m; ^ main.cpp:6:25: error: 'N' was not declared in this scope vector<pair<int,int>> a[N]; ^ main.cpp:7:10: error: 'N' was not declared in this scope bool v[5*N]; ^ main.cpp: In function 'void dfs(int, int)': main.cpp:9:17: error: 'a' was not declared in this scope for(auto it:a[i]){ ^ main.cpp:10:13: error: 'v' was not declared in this scope if(!v[it.s]){ ^ main.cpp: In function 'int main()': main.cpp:23:9: error: 'a' was not declared in this scope a[x].push_back({y,i}); ^ main.cpp:25:11: error: 'r' was not declared in this scope ++r[x], ++r[y]; ^ main.cpp:28:12: error: 'r' was not declared in this scope if(r[i]%2){ ^ main.cpp:19:11: warning: unused variable 'j' [-Wunused-variable] int i,j,x,y; ^ Non zero exit status: 1