Eroare de compilare: user.cpp: In function ‘long long int cost(long long int, long long int, int)’: user.cpp:19:18: error: ‘cnt’ was not declared in this scope if(cnt + 1 <= m) { ^~~ user.cpp:26:5: error: ‘cnt’ was not declared in this scope cnt = m; ^~~ user.cpp:31:6: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int i = r + 1; i <= n; ++i) ^~~ user.cpp:33:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ return sact; ^~~~~~ user.cpp: In function ‘int main()’: user.cpp:71:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<vs.size()-1;++j) ~^~~~~~~~~~~~