Compilare: user.cpp: In function ‘int main()’: user.cpp:39:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(d[v[i][0]].size() && d[v[i][0]].front().last<i-k ) ^ user.cpp:39:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(d[v[i][0]].size() && d[v[i][0]].front().last<i-k ) ^ user.cpp:41:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[v[i][0]].front().nr>max) ^ user.cpp:42:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] max=d[v[i][0]].front().nr; ^ user.cpp:43:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[v[i][0]].pop_front(); ^ user.cpp:46:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[v[i][0]].size()) ^ user.cpp:47:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] act=d[v[i][0]].front().nr; ^ user.cpp:51:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(d[v[i][1]].size() && act>=d[v[i][1]].back().nr) ^ user.cpp:51:50: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(d[v[i][1]].size() && act>=d[v[i][1]].back().nr) ^ user.cpp:52:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[v[i][1]].pop_back(); ^ user.cpp:54:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[v[i][1]].push_back(tipe{i,act}); ^ user.cpp:22:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&n,&k); ^ user.cpp:26:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%s",v[i]); ^