LuoguU72177 火星人plus （逆康拓展开）

没开long long见祖宗。。。
BIT先求逆序对来造表存展开关系，线段树维护01进制

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#define R(a,b,c) for(register int  a = (b); a <= (c); ++ a)
#define nR(a,b,c) for(register int  a = (b); a >= (c); -- a)
#define Max(a,b) ((a) > (b) ? (a) : (b))
#define Min(a,b) ((a) < (b) ? (a) : (b))
#define Fill(a,b) memset(a, b, sizeof(a))
#define Abs(a) ((a) < 0 ? -(a) : (a))
#define Swap(a,b) a^=b^=a^=b
#define ll long long

//#define ON_DEBUG

#ifdef ON_DEBUG

#define D_e_Line printf("

----------

")
#define D_e(x)  cout << #x << " = " << x << endl
#define Pause() system("pause")
#define FileOpen() freopen("in.txt","r",stdin);

#else

#define D_e_Line ;
#define D_e(x)  ;
#define Pause() ;
#define FileOpen() ;

#endif

struct ios{
    template<typename ATP>ios& operator >> (ATP &x){
        x = 0; int f = 1; char c;
        for(c = getchar(); c < '0' || c > '9'; c = getchar()) if(c == '-')  f = -1;
        while(c >= '0' && c <= '9') x = x * 10 + (c ^ '0'), c = getchar();
        x*= f;
        return *this;
    }
}io;
using namespace std;

const int N = 100007;
#define int long long
int n;

namespace BIT{
int t[N];
int tmp[N];
inline void Updata(int x, int w){
	for(; x <= n; x += x&-x) t[x] += w;
}
inline int Query(int x){
	int sum = 0;
	for(; x; x -= x&-x) sum += t[x];
	return sum;
}
inline void CreatContor(){
	R(i,1,n){
		int x;
		io >> x;
		Updata(x, 1);
		tmp[i] = x - Query(x);
//		D_e(tmp[i]);
	}
}
}

namespace SegTree{
int t[N << 2];
#define lson rt << 1, l, mid
#define rson rt << 1 | 1, mid + 1, r
inline void Pushup(int rt){
	t[rt] = t[rt << 1] + t[rt << 1 | 1];
}
inline void Build(int rt, int l, int r){
	if(l == r){
		t[rt] = 1;
		return;
	}
	int mid = (l + r) >> 1;
	Build(lson), Build(rson);
	Pushup(rt);
}
inline void Updata(int rt, int l, int r, int x){
	if(l == r){
		t[rt] = 0;
		return;
	}
	int mid = (l + r) >> 1;
	if(mid >= x)
		Updata(lson, x);
	else
		Updata(rson, x);
	Pushup(rt);
}
inline int Query(int rt, int l, int r, int w){
	if(l == r) return l;
	int mid = (l + r) >> 1;
	if(t[rt << 1] >= w)
		return Query(lson, w);
	else
		return Query(rson, w - t[rt << 1]);
	
}
}
#undef int
int main(){
#define int long long
	FileOpen();
		
	int m;
	io >> n >> m;
	
	BIT::CreatContor();
	
	//R(i,1,n) D_e(BIT::tmp[i]) ;
	BIT::tmp[n] += m;
	nR(i,n,1){
		BIT::tmp[i - 1] += BIT::tmp[i] / (n - i + 1);
		BIT::tmp[i] %= (n - i + 1);
	//	D_e(BIT::tmp[i]);
	}
	
	SegTree::Build(1, 1, n);
	
	R(i,1,n-1){
		//D_e(BIT::tmp[i]);
		int x = SegTree::Query(1, 1, n, BIT::tmp[i] + 1);
		printf("%d ", x);
		SegTree::Updata(1, 1, n, x);
	}
	printf("%d", SegTree::Query(1, 1, n, BIT::tmp[n] + 1));
	
	return 0;
}