设F(i, j) 为以(0, 0)为左下角,以(i, j)为右上角的矩形面积,对于1 <= i <= n, 1 <= j <= m, 求F(i, j)的第k大的值
题目#includeusingnamespacestd;#defineintlonglongconstintmaxn=1e6+5,inf=1e9;inta[maxn];structNode{inta,b;booloperator,bool>mp;voidsolve(){intn;cin>>n;intm,k;cin>>m>>k;priority_queuepq;pq.push({n,m});mp[{