Submission #992281

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
992281	2024-06-04 08:18:52	imarn	Fish 3 (JOI24_fish3)	C++14	100 / 100	491 ms	60600 KiB

Main

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#include<bits/stdc++.h>
#define ll long long
#define pii pair<ll,ll>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int mxn=3e5+5;
ll t[4*mxn]{0},lz[4*mxn]{0};
void push(int i,int l,int r){
    if(lz[i]==1e16)return;
    t[i]=lz[i]*(r-l+1);
    if(l<r)lz[2*i]=lz[i],lz[2*i+1]=lz[i];
    lz[i]=1e16;
}
void update(int i,int l,int r,int tl,int tr,ll v){
    push(i,l,r);
    if(r<tl||l>tr)return;
    if(r<=tr&&l>=tl){
        lz[i]=v;push(i,l,r);return;
    }int m=(l+r)>>1;
    update(2*i,l,m,tl,tr,v);update(2*i+1,m+1,r,tl,tr,v);
    t[i]=t[2*i]+t[2*i+1];
}
ll query(int i,int l,int r,int tl,int tr){
    push(i,l,r);
    if(r<tl||l>tr)return 0;
    if(r<=tr&&l>=tl)return t[i];
    int m=(l+r)>>1;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 7 / 7
• Subtask 3: 28 / 28
• Subtask 4: 20 / 20
• Subtask 5: 36 / 36