Compilare: main.cpp: In function 'int main()': main.cpp:16:20: warning: array subscript has type 'char' [-Wchar-subscripts] if (fr[s[i]]==0) ^ main.cpp:19:20: warning: array subscript has type 'char' [-Wchar-subscripts] fr[s[i]]=1; ^ main.cpp:21:21: warning: array subscript has type 'char' [-Wchar-subscripts] pozitii[s[i]].push(i); ^ main.cpp:23:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v.size();j++) ~^~~~~~~~~ main.cpp:25:27: warning: array subscript has type 'char' [-Wchar-subscripts] pozitii[v[j].first].push(n+1); ^ main.cpp:31:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v.size();j++) ~^~~~~~~~~ main.cpp:43:66: warning: array subscript has type 'char' [-Wchar-subscripts] if (minim==v[j].second&&pozitii[v[minimpoz].first].front()<pozitii[v[j].first].front()) ^ main.cpp:43:94: warning: array subscript has type 'char' [-Wchar-subscripts] if (minim==v[j].second&&pozitii[v[minimpoz].first].front()<pozitii[v[j].first].front()) ^ main.cpp:59:21: warning: array subscript has type 'char' [-Wchar-subscripts] pozitii[s[i]].pop(); ^