Compilare: user.cpp: In function ‘int getResult(std::vector<int>, std::vector<int>)’: user.cpp:16:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<o.size();i++) ~^~~~~~~~~ user.cpp:26:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<z.size() && j<o.size()) ~^~~~~~~~~ user.cpp:26:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<z.size() && j<o.size()) ~^~~~~~~~~ user.cpp:31:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<z.size()) V[k++]={0,z[i++]}; ~^~~~~~~~~ user.cpp:32:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<o.size()) V[k++]={1,o[j++]}; ~^~~~~~~~~ user.cpp:34:9: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(auto i:V) cout<<i.first<<' '; cout<<'\n'; ^~~ user.cpp:34:43: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ for(auto i:V) cout<<i.first<<' '; cout<<'\n'; ^~~~ user.cpp:35:9: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(auto i:V) cout<<i.second<<' '; cout<<'\n'; ^~~ user.cpp:35:44: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ for(auto i:V) cout<<i.second<<' '; cout<<'\n'; ^~~~ user.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<V.size();i++) ~^~~~~~~~~ user.cpp:42:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(q<V.size() && (used[q] || V[q].first==1)) q++; ~^~~~~~~~~ user.cpp:46:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(q<V.size()) ~^~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:107:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=r0+1;j<P0.size();j++) ~^~~~~~~~~~ user.cpp:111:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<tl.size() && j<tr.size()) ~^~~~~~~~~~ user.cpp:111:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<tl.size() && j<tr.size()) ~^~~~~~~~~~ user.cpp:117:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<tl.size()) zeros.push_back(tl[i++]); ~^~~~~~~~~~