Eroare de compilare: main.cpp:15:1: error: 'bitset' does not name a type 15 | bitset<200001> fr; | ^~~~~~ main.cpp: In function 'int main()': main.cpp:37:17: error: 'fr' was not declared in this scope 37 | fr[k * (a[i].second - a[i].first) * 2 + downUp[i].first] = 1; | ^~ main.cpp:40:17: error: 'fr' was not declared in this scope 40 | fr[k * (a[i].second - a[i].first) * 2 + downUp[i].second] = 1; | ^~ main.cpp:45:13: error: 'fr' was not declared in this scope 45 | if (fr[t] == 0) { | ^~ Non zero exit status: 1