Submission #1081777

#	Time	Username	Problem	Language	Result	Execution time	Memory
1081777		vjudge1	Measures (CEOI22_measures)	C++17	59 / 100	372 ms	5712 KiB

Main

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define mod 998244353
#define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<pair<pair<int,int>,int>,null_type,less<pair<pair<int,int>,int>>,rb_tree_tag,tree_order_statistics_node_update>;
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n,m,d;
    cin>>n>>m>>d;
    if(n){
        d*=2;
        vector<int>v(n);
        for(auto &i:v){cin>>i;i*=2;}
        while(m--){
            int x;
            cin>>x;
            x*=2;
            v.push_back(x);
            sort(v.begin(),v.end());
            int l=0,r=1000000000,mid,f;
            r*=r;
            while(l<=r){
                mid=(l+r)/2;
                vector<int>vv=v;
                vv[0]-=mid;
                bool bl=1;
                for(int i=1;i<vv.size();i++){
                    vv[i]=max(vv[i]-mid,vv[i-1]+d);
                    if(abs(vv[i]-v[i])>mid)bl=0;
                }
                if(bl){
                    r=mid-1;
                    f=mid;
                }else l=mid+1;
            }
            cout<<f/2;
            if(f&1)cout<<".5";
            cout<<' ';
        }

    }else{
        d*=2;
        int ls=INT_MIN;
        int ans=0;
        while(m--){
            int x;
            cin>>x;
            x*=2;
            int ogx=x;
            // cout<<max(ls+d,x-ans)<<' ';
            x=max(ls+d,x-ans);
            int g=abs(x-ogx)-ans;
            g=max(g,0ll);
            ls=x-g/2;
            ans+=g/2;
            cout<<ans/2;
            if(ans&1)cout<<".5";
            cout<<' ';
        }
    }
}
/*
1
13
7 10 13 |4 |5 10| 8| 3 6 5 |7 10| 2


*/

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:31:30: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |                 for(int i=1;i<vv.size();i++){
      |                             ~^~~~~~~~~~
Main.cpp:41:17: warning: 'f' may be used uninitialized in this function [-Wmaybe-uninitialized]
   41 |             if(f&1)cout<<".5";
      |                ~^~

• Subtask 1: 10 / 10
• Subtask 2: 14 / 14
• Subtask 3: 35 / 35
• Subtask 4: 0 / 41