Submission #935062

#	Time	Username	Problem	Language	Result	Execution time	Memory
935062		Ludissey	Measures (CEOI22_measures)	C++17	10 / 100	1540 ms	6488 KiB

Main

#include <bits/stdc++.h>
#define int long long
using namespace std;
 
signed main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
	int n,m,D; cin >> n >> m >> D;
    vector<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int _i = 0; _i < m; _i++)
    {
        int x; cin >> x;
        a.push_back(x);
        sort(a.begin(),a.end());
        double l=0,r=2000000000000;
        double ans=0;
        while(r-l>=0.1){
            double mid=(l+r)/(double)2;
            double lb=a[0]-mid;
            bool br=false;
            for (int i = 1; i < a.size(); i++)
            {
                double bc=max(lb+(double)D, (double)a[i]-mid);
                if(bc>(double)a[i]+mid) {
                    br=true;
                    break;
                }
                lb=bc;
            }
            if(br){
                l=mid;
            }else{
                ans=mid;
                r=mid;
            }
        }
        int roundAns=ans;

        if((double)ans-roundAns<0.25) cout << roundAns << " ";
        else if ((double)ans-roundAns<0.75) cout << roundAns << ".5 ";
        else cout << roundAns+1 << " ";

    }
    cout << "\n";
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:21:31: 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]
   21 |             for (int i = 1; i < a.size(); i++)
      |                             ~~^~~~~~~~~~

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