Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:19:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;(1<<i)<= x;++i) ^ user.cpp:21:22: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if (((1<<i)&x>0) ^ user.cpp:22:13: error: expected ‘)’ before ‘sol’ sol=(sol*aux)%m; ^ user.cpp: At global scope: user.cpp:27:5: error: expected unqualified-id before ‘return’ return 0; ^ user.cpp:28:1: error: expected declaration before ‘}’ token } ^