Compilare: user.cpp: In function ‘int main()’: user.cpp:32:20: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(p[i]>='A'&&p[i]<='Z'||p[i]>='a'&&p[i]<='z'||p[i]>='0'&&p[i]<='9')i++; ^ user.cpp:32:64: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(p[i]>='A'&&p[i]<='Z'||p[i]>='a'&&p[i]<='z'||p[i]>='0'&&p[i]<='9')i++; ^ user.cpp:35:20: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(t[i]>='A'&&t[i]<='Z'||t[i]>='a'&&t[i]<='z'||t[i]>='0'&&t[i]<='9')i++; ^ user.cpp:35:64: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(t[i]>='A'&&t[i]<='Z'||t[i]>='a'&&t[i]<='z'||t[i]>='0'&&t[i]<='9')i++; ^ user.cpp:30:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s%s",p,t); ^