Submission #693055

#	Time	Username	Problem	Language	Result	Execution time	Memory
693055		zeroesandones	Solar Storm (NOI20_solarstorm)	C++17	10 / 100	2093 ms	13680 KiB

SolarStorm

#include "bits/stdc++.h"
using namespace std;

typedef long long ll;
typedef long double ld;
typedef vector<ll> vi;
typedef pair<ll, ll> pi;

#define FOR(i, j, k) for (ll i = j; i < (ll) k; ++i)
#define FORD(i, j, k) for (ll i = j; i >= (ll) k; --i)
#define nl "\n"
#define sp " "

#define all(x) (x).begin(), (x).end()
#define sc second
#define fr first
#define pb emplace_back

void solve()
{
    ll n, s, k;
    cin >> n >> s >> k;

    ll d[n - 1];
    FOR(i, 0, n - 1)
        cin >> d[i];

    ll a[n];
    FOR(i, 0, n)
        cin >> a[i];

    pi ans = {0, 0};
    FOR(i, 0, n) {
        // shield is placed at i
        ll dist = 0;
        ll left = i;
        FORD(j, i - 1, 0) {
            if(d[j] + dist > k) break;
            left = j;
            dist += d[j];
        }

        ll right = i;
        dist = 0;
        FOR(j, i + 1, n) {
            if(d[j - 1] + dist > k) break;
            right = j;
            dist += d[j - 1];
        }

        ll curr = 0;
        FOR(j, left, right + 1) {
            curr += a[j];
        }

        if(curr > ans.fr) {
            ans = {curr, i};
        }
    }

    cout << 1 << nl;
    cout << ans.sc + 1 << nl;
}

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

    ll t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
    }
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 7
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 18
• Subtask 6: 0 / 16
• Subtask 7: 0 / 30