Eroare de compilare: main.cpp: In function 'void solve2()': main.cpp:158:25: error: use of an operand of type 'bool' in 'operator++' is forbidden in C++17 158 | M[{v1[i],v2[i]}]++; | ^~ main.cpp:159:28: warning: comparison of constant '2' with boolean expression is always false [-Wbool-compare] 159 | if(M[{v1[i],v2[i]}]==2) main.cpp:173:37: warning: comparison of constant '2' with boolean expression is always false [-Wbool-compare] 173 | if(M[{v1[i],careful[v1[i]]}]==2) Non zero exit status: 1