记录编号 |
592423 |
评测结果 |
WWWWWWWWWA |
题目名称 |
数列操作 |
最终得分 |
10 |
用户昵称 |
┭┮﹏┭┮ |
是否通过 |
未通过 |
代码语言 |
C++ |
运行时间 |
1.816 s |
提交时间 |
2024-07-23 00:51:37 |
内存使用 |
22.25 MiB |
显示代码纯文本
//2016 吉如一论文 例题 4
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define fi first
#define in inline
#define se second
#define mp make_pair
#define pb push_back
const int N = 1e5+10,M = N<<2;
const ll inf = 1e17;
ll read(){
ll x = 0,f = 1;char c = getchar();
for(;c < '0' || c > '9';c = getchar())if(c == '-')f = -1;
for(;c >= '0' && c <= '9';c = getchar())x = (x<<1) + (x<<3) + c-'0';
return x * f;
}
int n,m;
ll a[N];
struct STB{
ll mx1[M],mx2[M],mi1[M],mi2[M],mic[M],mxc[M];
ll add1[M],add2[M],add3[M],sum[M];
#define ls p<<1
#define rs p<<1|1
void pushup(int p){
sum[p] = sum[ls] + sum[rs];
mx1[p] = max(mx1[ls],mx1[rs]);
if(mx1[ls] > mx1[rs])mxc[p] = mxc[ls],mx2[p] = max(mx1[rs],mx2[ls]);
else if(mx1[ls] < mx1[rs])mxc[p] = mxc[rs],mx2[p] = max(mx1[ls],mx2[rs]);
else mxc[p] = mxc[ls] + mxc[rs],mx2[p] = max(mx2[ls],mx2[rs]);
mi1[p] = min(mi1[ls],mi1[rs]);
if(mi1[ls] < mi1[rs])mic[p] = mic[ls],mi2[p] = min(mi1[rs],mi2[ls]);
else if(mi1[ls] > mi1[rs])mic[p] = mic[rs],mi2[p] = min(mi1[ls],mi2[rs]);
else mic[p] = mic[ls] + mic[rs],mi2[p] = min(mi2[ls],mi2[rs]);
}
void update(int p,int l,int r,int k1,int k2,int k3){
if(mx1[p] == mi1[p]){
if(k1 || k2)sum[p] += mxc[p];
}
else sum[p] += (k1 == 0 ? 0:mic[p]) + (k2 == 0 ? 0:mxc[p]) + (k3 == 0 ? 0:r-l+1-mxc[p]-mic[p]);
if(mi2[p] == mx1[p])mi2[p] += k2;
else if(mi2[p] != inf) mi2[p] += k3;
if(mx2[p] == mi1[p])mx2[p] += k1;
else if(mx2[p] != -inf)mx2[p] += k3;
mi1[p] += k1,mx1[p] += k2;
add1[p] += k2,add2[p] += k2,add3[p] += k3;
}
void pushdown(int p,int l,int r){
int mid = l + r >> 1;
update(ls,l,mid,mi1[ls] == mi1[p] ? add1[p]:add3[p],mx1[ls] == mx1[p] ? add2[p]:add3[p],add3[p]);
update(rs,mid+1,r,mi1[rs] == mi1[p] ? add1[p]:add3[p],mx1[rs] == mx1[p] ? add2[p]:add3[p],add3[p]);
add1[p] = add2[p] = add3[p] = 0;
}
void build(int p,int l,int r){
if(l == r){
mi1[p] = mx1[p] = a[l],mic[p] = mxc[p] = 1;
mi2[p] = inf,mx2[p] = -inf;return;
}
int mid = l + r >> 1;
build(ls,l,mid),build(rs,mid+1,r);
pushup(p);
}
void modify1(int p,int l,int r,int L,int R,int k){
if(k <= mi1[p])return;
if(L <= l && r <= R && k > mi1[p] && k < mi2[p])return update(p,l,r,k-mi1[p],0,0),void();
int mid = l + r >> 1;
pushdown(p,l,r);
if(L <= mid)modify1(ls,l,mid,L,R,k);
if(R > mid)modify1(rs,mid+1,r,L,R,k);
pushup(p);
}
void modify2(int p,int l,int r,int L,int R,int k){
if(k >= mx1[p])return;
if(L <= l && r <= R && k < mx1[p] && k > mx2[p])return update(p,l,r,0,k-mx1[p],0),void();
int mid = l + r >> 1;
pushdown(p,l,r);
if(L <= mid)modify2(ls,l,mid,L,R,k);
if(R > mid)modify2(rs,mid+1,r,L,R,k);
pushup(p);
}
void modify3(int p,int l,int r,int L,int R,int k){
if(L <= l && r <= R)return update(p,l,r,k,k,k);
int mid = l + r >> 1;
pushdown(p,l,r);
if(L <= mid)modify3(ls,l,mid,L,R,k);
if(R > mid)modify3(rs,mid+1,r,L,R,k);
pushup(p);
}
ll cal(int p,int l,int r,int L,int R){
if(L <= l && r <= R)return sum[p];
int mid = l + r >> 1;
pushdown(p,l,r);
if(R <= mid)return cal(ls,l,mid,L,R);
else if(L > mid)return cal(rs,mid+1,r,L,R);
else return cal(ls,l,mid,L,R) + cal(rs,mid+1,r,L,R);
}
}t;
int main(){
freopen("hihocoderD.in","r",stdin);
freopen("hihocoderD.out","w",stdout);
n = read(),m = read();
for(int i = 1;i <= n;i++)a[i] = read();
t.build(1,1,n);
for(int i = 1;i <= m;i++){
int op = read(),l = read(),r = read(),k;
if(op <= 3)k = read();
if(op == 1)t.modify1(1,1,n,l,r,k);
else if(op == 2)t.modify2(1,1,n,l,r,k);
else if(op == 3)t.modify3(1,1,n,l,r,k);
else printf("%lld\n",t.cal(1,1,n,l,r));
}
return 0;
}