Compilare: user.cpp: In function ‘int Compute(std::vector<int>)’: user.cpp:14:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v.size();++j) sol+=(j+1)*val[v[j]]; ^ user.cpp: In function ‘int Compute1(std::vector<int>)’: user.cpp:21:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<v.size();++j) sol+=j*val[v[j]]; ^ user.cpp: In function ‘std::vector<int> Solve()’: user.cpp:43:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=a.size();++i) ^ user.cpp:44:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<=b.size();++j) D[i][j]=INF; ^ user.cpp:46:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=a.size();++i) ^ user.cpp:47:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<=b.size();++j) ^ user.cpp:50:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<a.size() && D[i+1][j] > D[i][j]+val[a[i]]*(i+j+1)) ^ user.cpp:55:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j<b.size() && D[i][j+1] > D[i][j]+val[b[j]]*(i+j+1)) ^