Eroare de compilare: main.cpp:8:1: error: expected ',' or ';' before 'struct' struct drum ^~~~~~ main.cpp:46:1: error: 'drum' does not name a type drum a[20005]; ^~~~ main.cpp: In function 'void solve(std::vector<qs>)': main.cpp:119:24: error: 'a' was not declared in this scope if(dsu_par(a[id].xs, a[id].ys) == dsu_par(a[id].xf, a[id].yf)) ^ main.cpp:133:20: error: 'a' was not declared in this scope if(dsu_par(a[id].xs, a[id].ys) == dsu_par(a[id].xf, a[id].yf)) ^ main.cpp: In function 'int main()': main.cpp:175:14: error: 'a' was not declared in this scope fin>>a[i].xs>>a[i].ys>>a[i].xf>>a[i].yf; ^ Non zero exit status: 1