Compilare: user.cpp: In function ‘int main()’: user.cpp:10:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(v);i++){ ^ user.cpp:15:25: warning: suggest parentheses around assignment used as truth value [-Wparentheses] else if(trecut=0){ ^ user.cpp:8:26: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(v,100005,stdin); ^