Compilare: user.cpp: In function ‘int main()’: user.cpp:23:76: warning: second operand of conditional expression has no effect [-Wunused-value] for (int j = 1; j <= n; cout << (n - perm1[i] < perm2[j])? "1 " : "0 ", j++); ^ user.cpp:23:76: warning: third operand of conditional expression has no effect [-Wunused-value]