Codeforces Round 761 (Div. 2) D2. Too Many Impostors (hard version)(交互+构造 最小次数)
题目n(6usingnamespacestd;constintN=1e4+10;intT,n;inthao,huai,res[N];vectorans;intone,two,a[7],b[5];intask(inta,intb,intc){printf("?%d%d%d\n",a,b,c);fflush(stdout);intv;scanf("%d",&v);returnv;}voidsolve(