Compilare: main.cpp: In function 'void solutie()': main.cpp:26:13: warning: array subscript has type 'char' [-Wchar-subscripts] st[stlen] = '\0'; ^ main.cpp: In function 'void folder()': main.cpp:36:27: warning: array subscript has type 'char' [-Wchar-subscripts] st[stlen++] = s[ind]; ^ main.cpp:39:23: warning: array subscript has type 'char' [-Wchar-subscripts] st[stlen++] = '\\'; ^ main.cpp:45:27: warning: array subscript has type 'char' [-Wchar-subscripts] st[stlen++] = s[ind]; ^ main.cpp: In function 'void output()': main.cpp:80:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < v.size(); i++) ~~^~~~~~~~~~