#pragma GCC optimize("O3,unroll-loops")
#include<bits/stdc++.h>
using namespace std;
struct node
{
int score;
int maxst,minst,capst;
int maxdr,mindr,capdr;
};
node combine(node x, node y)
{
node rez;
if(x.score + y.score < x.score - (x.maxdr - x.mindr) + y.score - (y.maxst - y.minst) + max(y.maxst, x.maxdr) - min(y.minst, x.minst))
{
rez.score = x.score - (x.maxdr - x.mindr) + y.score - (y.maxst - y.minst) + max(y.maxst, x.maxdr) - min(y.minst, x.minst);
if(x.capdr <= x.capst)///secventa stanga = secventa dreapta
{
rez.maxst = max(x.maxst, y.maxst);
rez.minst = min(x.minst, y.minst);
rez.capst = y.capst;
}
else
{
rez.maxst = x.maxst;
rez.minst = x.minst;
rez.capst = x.capst;
}
if(y.capdr <= y.capst)
{
rez.maxdr = max(y.maxdr, x.maxdr);
rez.mindr = min(y.mindr, x.mindr);
rez.capdr = x.capdr;
}
else
{
rez.maxdr = y.maxdr;
rez.mindr = y.mindr;
rez.capdr = y.capdr;
}
}
else
{
rez.score = x.score + y.score;
rez.maxdr = y.maxdr;
rez.mindr = y.mindr;
rez.capdr = y.capdr;
rez.maxst = x.maxst;
rez.minst = x.minst;
rez.capst = x.capst;
}
return rez;
}
int n,q;
int a[200001];
node aint[810001];
int lazy[810001];
void build(int nod, int st, int dr)
{
if(st==dr)
{
aint[nod]={0,a[st],a[st],st,a[st],a[st],st};
return;
}
int mij=(st+dr)/2;
build(nod*2,st,mij);
build(nod*2+1,mij+1,dr);
aint[nod]=combine(aint[nod*2],aint[nod*2+1]);
}
void propagate(int nod)
{
aint[nod].maxdr+=lazy[nod];
aint[nod].maxst+=lazy[nod];
aint[nod].minst+=lazy[nod];
aint[nod].mindr+=lazy[nod];
lazy[nod*2]+=lazy[nod];
lazy[nod*2+1]+=lazy[nod];
lazy[nod]=0;
}
void upd(int nod, int st, int dr, int le, int ri, int newval)
{
if(le>ri)
return;
if(st==le && dr==ri)
{
lazy[nod]+=newval;
return;
}
int mij=(st+dr)/2;
upd(nod*2,st,mij,le,min(mij,ri),newval);
upd(nod*2+1,mij+1,dr,max(mij+1,le),ri,newval);
propagate(nod*2);
propagate(nod*2+1);
aint[nod]=combine(aint[nod*2],aint[nod*2+1]);
}
signed main()
{
ios_base::sync_with_stdio(0);cin.tie(0);
cin>>n>>q;
for(int i=1;i<=n;i++)
{
cin>>a[i];
}
build(1,1,n);
int l,r,x;
for(int i=0;i<q;i++)
{
cin>>l>>r>>x;
upd(1,1,n,l,r,x);
propagate(1);
cout<<aint[1].score<<"\n";
}
return 0;
}
/**
*/
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
