記錄一個菜逼的成長。。

無限T之後，參考了上面的部落格。終於過了。。

#include <cstdio>
#include <iostream>
#include <cstring>
#include <string>
#include <algorithm>
#include <cstdlib>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
 

#include <list>
#include <deque>
#include <cctype>
#include <bitset>
#include <cmath>
using namespace std;
#define ALL(v) (v).begin(),(v).end()
#define cl(a) memset(a,0,sizeof(a))
#define fin freopen("D://in.txt","r",stdin)
#define fout freopen("D://out.txt","w",stdout)
#define lson t<<1,l,mid
 

#define rson t<<1|1,mid+1,r
#define seglen (node[t].r-node[t].l+1)
typedef long long LL;
typedef unsigned long long ULL;
typedef pair<int,int> PII;
typedef pair<LL,LL> PLL;
typedef vector<PII> VPII;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
template <typename T>
inline
 
 void read(T &x){
    T ans=0;
    char last=' ',ch=getchar();
    while(ch<'0' || ch>'9')last=ch,ch=getchar();
    while(ch>='0' && ch<='9')ans=ans*10+ch-'0',ch=getchar();
    if(last=='-')ans=-ans;
    x = ans;
}
inline bool DBread(double &num)
{
    char in;double Dec=0.1;
    bool IsN=false,IsD=false;
    in=getchar();
    if(in==EOF) return false;
    while(in!='-'&&in!='.'&&(in<'0'||in>'9'))
        in=getchar();
    if(in=='-'){IsN=true;num=0;}
    else if(in=='.'){IsD=true;num=0;}
    else num=in-'0';
    if(!IsD){
        while(in=getchar(),in>='0'&&in<='9'){
            num*=10;num+=in-'0';}
    }
    if(in!='.'){
        if(IsN) num=-num;
            return true;
    }else{
        while(in=getchar(),in>='0'&&in<='9'){
                num+=Dec*(in-'0');Dec*=0.1;
        }
    }
    if(IsN) num=-num;
    return true;
}
template <typename T>
inline void write(T a) {
    if(a < 0) { putchar('-'); a = -a; }
    if(a >= 10) write(a / 10);
    putchar(a % 10 + '0');
}
/******************head***********************/
const int maxn = 100000 + 10;
struct Node{
    int l,r;
    LL mx,mn,sum,lazy,cover;
}node[maxn * 4];
LL ans;
void pushup(int t)
{
    node[t].sum = node[t<<1].sum + node[t<<1|1].sum;
    node[t].mx = max(node[t<<1].mx,node[t<<1|1].mx);
    node[t].mn = min(node[t<<1].mn,node[t<<1|1].mn);
}
void pushdown(int t)
{
    int mid = (node[t].r + node[t].l) >> 1;
    LL llen = mid - node[t].l + 1;
    LL rlen = node[t].r - mid ;
    if(node[t].cover != 0){
        LL tmp = node[t].cover;
        node[t<<1].cover = node[t<<1|1].cover = tmp;
        node[t<<1].sum = llen * tmp;
        node[t<<1|1].sum = rlen * tmp;
        node[t<<1].mx = node[t<<1].mn = node[t<<1|1].mx = node[t<<1|1].mn = node[t].cover;
        node[t<<1].lazy = node[t<<1|1].lazy = 0;
        node[t].cover = 0;
    }
    if(node[t].lazy != 0){
        LL tmp = node[t].lazy;
        node[t<<1].lazy += tmp;
        node[t<<1|1].lazy += tmp;
        node[t<<1].sum += tmp * llen;
        node[t<<1|1].sum += tmp * rlen;
        node[t<<1].mx += tmp;node[t<<1].mn += tmp;
        node[t<<1|1].mx += tmp;node[t<<1|1].mn += tmp;
        node[t].lazy = 0;
    }
}
void build(int t,int l,int r)
{
    node[t].l = l;
    node[t].r = r;
    node[t].cover = node[t].lazy = node[t].sum = 0;
    if(l == r){
        read(node[t].sum);
        node[t].mx = node[t].mn = node[t].sum;
        return ;
    }
    int mid = (l + r) >> 1;
    build(lson);
    build(rson);
    pushup(t);
}
void update1(int t,int l,int r,int v)
{
    if(l <= node[t].l && node[t].r <= r){
        node[t].sum += (LL)v * seglen;
        node[t].lazy += (LL)v;
        node[t].mx += (LL)v;
        node[t].mn += (LL)v;
        return ;
    }
    pushdown(t);
    int mid = (node[t].l + node[t].r)>> 1;
    if(l <= mid)update1(t<<1,l,r,v);
    if(r > mid)update1(t<<1|1,l,r,v);
    pushup(t);
}
void update2(int t,int l,int r)
{
    if(l <= node[t].l && node[t].r <= r){
        if(node[t].mx == 1)return ;
        if(node[t].l == node[t].r){
            node[t].sum = floor(sqrt(node[t].sum));
            node[t].mx = node[t].mn = node[t].sum;
            return ;
        }
        if(node[t].mx == node[t].mn){
            LL tmp = node[t].mx;
            node[t].mx = node[t].mn = floor(sqrt(tmp));
            node[t].lazy += node[t].mx - tmp;
            node[t].sum = node[t].mx * seglen;
            return ;
        }
        else if(node[t].mx - node[t].mn == 1){
            LL ta = node[t].mx,tb = node[t].mn;
            LL mxnum = node[t].sum - tb * seglen;
            LL mnnum = seglen - mxnum;
            node[t].mx = floor(sqrt(node[t].mx));
            node[t].mn = floor(sqrt(node[t].mn));
            if(node[t].mx - node[t].mn == 1){
                node[t].lazy += node[t].mx - ta;
                node[t].sum = node[t].mx * mxnum + node[t].mn * mnnum;
            }
            else {
                node[t].lazy = 0;
                node[t].cover = node[t].mx;
                node[t].sum = node[t].mx * seglen;
            }
            return ;
        }
        pushdown(t);
        int mid = (node[t].l + node[t].r)>> 1;
        update2(t<<1,l,r);
        update2(t<<1|1,l,r);
        pushup(t);
        return ;
    }
    pushdown(t);
    int mid = (node[t].l + node[t].r)>> 1;
    if(l <= mid)update2(t<<1,l,r);
    if(r > mid)update2(t<<1|1,l,r);
    pushup(t);
}
void query(int t,int l,int r)
{
    if(node[t].l == l && r == node[t].r){
        ans += node[t].sum;
        return ;
    }
    pushdown(t);
    int mid = (node[t].l + node[t].r) >> 1;
    if(l > mid)query(t<<1|1,l,r);
    else if(r <= mid)query(t<<1,l,r);
    else {
        query(lson);
        query(rson);
    }
}
int main()
{
    //fin;
    //fout;
    int T;
    read(T);
    while(T--){
        int n,m;
        read(n),read(m);
        build(1,1,n);
        int ope,l,r,x;
        while(m--){
            read(ope),read(l),read(r);
            if(ope == 1){
                read(x);
                update1(1,l,r,x);
            }
            else if(ope == 2){
                update2(1,l,r);
            }
            else {
                ans = 0;
                query(1,l,r);
                write(ans);
                puts("");
            }
        }
    }
    return 0;
}