Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<=strlen(st)-1;) ^ user.cpp:32:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (st[i]>='0'&&st[i]<='9'&&i<strlen(st)) ^ user.cpp:40:17: warning: unused variable ‘fin’ [-Wunused-variable] int fin=i-1; ^ user.cpp:50:5: error: ‘k’ was not declared in this scope k=1; ^ user.cpp:51:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i<strlen(st)) ^ user.cpp:53:19: error: expected primary-expression before ‘)’ token if (st[i]>) ^ user.cpp:55:5: error: expected primary-expression before ‘}’ token } ^ user.cpp:55:5: error: expected ‘;’ before ‘}’ token