Compilare: user.cpp: In function ‘int main()’: user.cpp:35:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] nr=1;fin>>s;for(i=1;i<=strlen(s);i++)if(s[i]='E')nr++; ^ user.cpp:35:57: warning: suggest parentheses around assignment used as truth value [-Wparentheses] nr=1;fin>>s;for(i=1;i<=strlen(s);i++)if(s[i]='E')nr++; ^