Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:11:19: error: ‘strlen’ was not declared in this scope for(i=0;i<strlen(s);i++) ^ user.cpp:12:16: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] {if(s[i]<='z' && 'a'<=s[i] || 'A'<=s[i] && s[i]<='Z') ^ user.cpp:17:18: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((s[i-1]<='z'&& 'a'<=s[i-1] || 'A'<=s[i-1] && 'Z'<=s[i-1])&&(s[i+1]<='z'&& 'a'<=s[i+1] || 'A'<=s[i+1] && 'Z'<=s[i+1])) ^ user.cpp:17:77: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((s[i-1]<='z'&& 'a'<=s[i-1] || 'A'<=s[i-1] && 'Z'<=s[i-1])&&(s[i+1]<='z'&& 'a'<=s[i+1] || 'A'<=s[i+1] && 'Z'<=s[i+1])) ^