Borderou de evaluare (job #597466)

Compilare: main.cpp: In function 'int main()': main.cpp:12:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'unsigned int'} [-Wsign-compare] 12 | for(int i=0;i<strlen(v);i++){ | ~^~~~~~~~~~ main.cpp:13:14: warning: array subscript has type 'char' [-Wchar-subscripts] 13 | f[v[i]]++; | ~~~^ main.cpp:24:14: warning: 'nr' may be used uninitialized in this function [-Wmaybe-uninitialized] 24 | f[nr]--; | ~~~~~^~