Eroare de compilare: main.cpp: In function 'int main()': main.cpp:106:12: error: 'st' was not declared in this scope while (st<=dr) ^~ main.cpp:106:16: error: 'dr' was not declared in this scope while (st<=dr) ^~ main.cpp:108:9: error: 'mij' was not declared in this scope mij=(st+dr)<<1; ^~~ main.cpp:113:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v.size();j++) a[v[j].first][v[j].second]=-1; ~^~~~~~~~~ Non zero exit status: 1