Submission #615827

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
615827	2022-07-31 12:53:51	AbdelmagedNour	Triple Jump (JOI19_jumps)	C++17	100 / 100	812 ms	46560 KiB

jumps

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#include<bits/stdc++.h>
using namespace std;
const int N=500005;
struct node{
    int res,f,mx;
    node(){res=f=mx=0;}
    node(int _res,int _f,int _mx){
        res=_res;
        f=_f;
        mx=_mx;
    }
};
struct SegTree{
    node tree[1<<20];
    int sz;
    node Merge(node&a,node&b){
        int res=max({a.res,b.res,a.f+b.mx}),f=max(a.f,b.f),mx=max(a.mx,b.mx);
        return node(res,f,mx);
    }
    void build(int l,int r,int p,vector<int>&a){
        if(l==r){
            tree[p].f=-1e9;
            tree[p].res=-1e9;
            tree[p].mx=0;
            if(l<a.size())tree[p].mx=a[l];
            return;
        }
        int md=(l+r)>>1;
        build(l,md,p*2+1,a);
        build(md+1,r,p*2+2,a);
 
 
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Compilation message (stderr)

jumps.cpp: In member function 'void SegTree::build(int, int, int, std::vector<int>&)':
jumps.cpp:25:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |             if(l<a.size())tree[p].mx=a[l];
      |                ~^~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 27 / 27
• Subtask 4: 54 / 54