Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:19:18: warning: comparison with string literal results in unspecified behaviour [-Waddress] if(s[i] !=" ") j = i-1; ^ user.cpp:19:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] user.cpp:22:8: error: expected ‘;’ before ‘i’ i + 2 ^ user.cpp:22:10: warning: for increment expression has no effect [-Wunused-value] i + 2 ^ user.cpp:23:1: error: expected ‘)’ before ‘return’ return 0; ^ user.cpp:9:22: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s,20,stdin); ^