Compilare: user.cpp: In function ‘void init(int*)’: user.cpp:55:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>> sir + 1; ^ user.cpp:63:46: warning: operation on ‘* a’ may be undefined [-Wsequence-point] a[ ++a[0] ] = a[ a[0] - 1] / base; ^ user.cpp:68:9: warning: unused variable ‘abc’ [-Wunused-variable] int abc = 0; ^