Compilare: user.cpp: In function ‘void citire()’: user.cpp:20:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] pos[ch[i]].pb(i); ^ user.cpp:21:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap1[ch[i]]++; ^ user.cpp:28:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] pos2[x][y].pb(i); ^ user.cpp:28:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] pos2[x][y].pb(i); ^ user.cpp:29:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap2[x][y]++; ^ user.cpp:29:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap2[x][y]++; ^ user.cpp: In function ‘void define_flux()’: user.cpp:38:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] where[i]=nod; ^ user.cpp:42:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] where2[i][j]=nod; ^ user.cpp: In function ‘void get_solution()’: user.cpp:116:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(pos[i].empty()) continue; ^ user.cpp:119:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(pos2[j][i].empty()) continue; ^ user.cpp:119:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(pos2[j][i].empty()) continue; ^ user.cpp:120:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(int k=1;k<=f[where[i]][where2[j][i]];k++) ^ user.cpp:120:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(int k=1;k<=f[where[i]][where2[j][i]];k++) ^ user.cpp:120:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(int k=1;k<=f[where[i]][where2[j][i]];k++) ^ user.cpp:122:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol[pos[i].back()]=pos2[j][i].back(); ^ user.cpp:122:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol[pos[i].back()]=pos2[j][i].back();