Submission #1049940

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1049940	2024-08-09 06:15:45	vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	184 ms	28244 KiB

art

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#ifdef ONLINE_JUDGE
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#endif
#include <bits/stdc++.h>
#define ll long long int
#define speed ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define TxtIO freopen("lol.in","r",stdin); freopen("lol.txt","w",stdout);
#define forn(i,n) for(int i=0;i<n;i++)
#define pb push_back
using namespace std;
struct segtree{
    vector <ll> tree;
    ll size;
    void init(ll n){
        size=1;
        while(size<n) size*=2;
        tree.assign(2*size-1,-1e18);
    }
    void build(vector <pair<ll,ll>> &a,ll x,ll lx,ll rx){
        if(rx-lx==1){
            if(lx<a.size()) tree[x]=a[lx].second-a[lx].first;
            return;
        }
        else{
            ll m=(lx+rx)/2;
            build(a,x*2+1,lx,m);
            build(a,x*2+2,m,rx);
 
 
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Compilation message (stderr)

art.cpp: In member function 'void segtree::build(std::vector<std::pair<long long int, long long int> >&, long long int, long long int, long long int)':
art.cpp:24:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |             if(lx<a.size()) tree[x]=a[lx].second-a[lx].first;
      |                ~~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50