Submission #788599

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
788599	2023-07-20 11:54:34	Ahmed57	Cake 3 (JOI19_cake3)	C++17	100 / 100	1281 ms	21632 KiB

cake3

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#include <bits/stdc++.h>
using namespace std;
#define int long long
vector<long long> pref;
long long cl = 0 ,cr = -1 , sz;
struct node{
    long long cnt = 0 , sum =0;
    node():cnt(0),sum(0){};
}seg[800001];
void build(int p,int l,int r){
    if(l==r){
        seg[p].cnt = 0;seg[p].sum = 0;
        return ;
    }
    int md = (l+r)/2;
    build(p*2,l,md);build(p*2+1,md+1,r);
    seg[p].cnt = seg[p*2].cnt+seg[p*2+1].cnt;
    seg[p].sum = seg[p*2].sum+seg[p*2+1].sum;
}
void update(int p,int l,int r,int idx,long long val){
    if(l==r){
        seg[p].cnt+=val;
        seg[p].sum+=val*pref[l-1];
        return ;
    }
    int md = (l+r)/2;
    if(idx<=md)update(p*2,l,md,idx,val);
    else update(p*2+1,md+1,r,idx,val);
    seg[p].cnt = seg[p*2].cnt+seg[p*2+1].cnt;
 
 
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Compilation message (stderr)

cake3.cpp: In lambda function:
cake3.cpp:71:13: warning: unused variable 'sum' [-Wunused-variable]
   71 |         int sum=0,mid=(l+r)>>1;
      |             ^~~

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76