Compilare: main.cpp: In function 'int main()': main.cpp:16:22: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] if((1<<i) & p>0) ~^~ main.cpp:16:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if((1<<i) & p>0) ^~ main.cpp:18:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' aux=(aux*aux)%mod; ^~~