Submission #1081611

#	Time	Username	Problem	Language	Result	Execution time	Memory
1081611		vjudge1	Measures (CEOI22_measures)	C++17	59 / 100	178 ms	7596 KiB

Main

#include <bits/stdc++.h>
//#define int long long

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using ld = long double;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    ll n, m, d;
    cin >> n >> m >> d;

    vector<ll> a(n);
    for(ll &x : a) cin >> x;
    sort(a.begin(), a.end());

    if(!n) {
        vector<ll> vec; vec.push_back(-1e18);
        ll ans = 0;
        int vec_size = 1;
        while(m--) {
            ll x; cin >> x;
            vec_size++;
            vec.push_back(x);
            if(vec[vec_size-1] - vec[vec_size-2] < d) ans = max(ans, d - vec[vec_size-1] + vec[vec_size-2]);
            vec[vec_size-1] = max(vec[vec_size-1], vec[vec_size-2] + d);
            if(ans % 2 == 0) {
                cout << ans / 2 << " ";
            } else {
                cout << ans / 2 << ".5 ";
            }
        }
        return 0;
    }

    while(m--) {
        ll x;
        cin >> x;
        a.push_back(x);
        sort(a.begin(), a.end());

        ll ans = 0;

        vector<ll> vec; vec.push_back(-1e18);
        for(ll &x : a) vec.push_back(x);
        for(int i=1; i<vec.size(); i++) {
            if(vec[i] - vec[i-1] < d) ans = max(ans, d - vec[i] + vec[i-1]);
            vec[i] = max(vec[i-1] + d, vec[i]);
        }

        if(ans % 2 == 0) {
            cout << ans / 2 << " ";
        } else {
            cout << ans / 2 << ".5 ";
        }
    }

    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:55:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |         for(int i=1; i<vec.size(); i++) {
      |                      ~^~~~~~~~~~~

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