Submission #805965

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
805965	2023-08-04 03:48:54	mrwang	Matryoshka (JOI16_matryoshka)	C++14	100 / 100	287 ms	24140 KiB

matryoshka

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#include<bits/stdc++.h>
#define TASKNAME "codeforce"
#define pb push_back
#define pli pair<int,int>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=3e5+10;
const ll inf=1e18;
const ll mod=1e9+7;
ll st[4*maxN];
ll n;
void upd(ll p,ll v,ll id=1,ll l=1,ll r=n)
{
    if(l==r)
    {
        st[id]=v;
        return;
    }
    ll mid=l+r>>1;
    if(p<=mid) upd(p,v,id*2,l,mid);
    else upd(p,v,id*2+1,mid+1,r);
    st[id]=max(st[id*2],st[id*2+1]);
}
ll get(ll i,ll j,ll id=1,ll l=1,ll r=n)
{
    if(j<l||r<i) return 0;
 
 
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Compilation message (stderr)

matryoshka.cpp: In function 'void upd(ll, ll, ll, ll, ll)':
matryoshka.cpp:23:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |     ll mid=l+r>>1;
      |            ~^~
matryoshka.cpp: In function 'll get(ll, ll, ll, ll, ll)':
matryoshka.cpp:32:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   32 |     ll mid=l+r>>1;
      |            ~^~
matryoshka.cpp: In function 'void solve()':
matryoshka.cpp:93:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   93 |             ll mid=low+high>>1;
      |                    ~~~^~~~~

• Subtask 1: 11 / 11
• Subtask 2: 15 / 15
• Subtask 3: 25 / 25
• Subtask 4: 49 / 49