Submission #771194

#	Time	Username	Problem	Language	Result	Execution time	Memory
771194		Lextyle	Financial Report (JOI21_financial)	C++17	28 / 100	4061 ms	565960 KiB

Main

    #include <bits/stdc++.h>
    #include <random>
    #include <chrono>
    #pragma warning(disable : 4996)
    #pragma warning(disable : 6031)
    #define USACO freopen("cowpatibility.in", "r", stdin); freopen("cowpatibility.out", "w+", stdout)
    #define fastIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
    #define ll long long
    using namespace std;
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    ll binpow(ll a, ll x, ll m) {
        ll ans = 1, md = a % m;
        while (x != 0) {
            if (x % 2 == 1) ans = (ans * md) % m;
            md = (md * md) % m;
            x >>= 1;
        }
        return ans;
    }
    ll gcd(ll a, ll b) {
        return b == 0 ? a : gcd(b, a % b);
    }
    ll lcm(ll a, ll b) {
        return a * b / gcd(a, b);
    }

    /*
    JOJOxJJOI
    */
    int a[7000], dp[7000][7001];
    multiset<int> s[7001];

    void solve() {
        int n, d;
        cin >> n >> d;
        for(int i = 0; i < n; i++) cin >> a[i];
        for(int i = 0; i < n; i++) {
            for(int j = 0; j <= n; j++) dp[i][j] = INT32_MAX;
        }
        for(int i = 0; i < n; i++) {
            dp[i][1] = a[i];
            for(int j = 2; j <= i + 1; j++) {
                if (!s[j - 1].empty() && *s[j - 1].begin() < a[i]) dp[i][j] = a[i];
                else if (!s[j].empty()) dp[i][j] = *s[j].begin();
            }
            for(int j = 1; j <= i + 1; j++) {
                if (i - d >= 0 && dp[i - d][j] != INT32_MAX) s[j].erase(s[j].find(dp[i - d][j]));
                s[j].insert(dp[i][j]);
            }
        }
        for(int i = n; i >= 1; i--) {
            if (dp[n - 1][i] != INT32_MAX) {
                cout << i << "\n";
                break;
            }
        }
    }

    int main() {
        //USACO;
        fastIO;
        int t = 1;
        //cin >> t;
        while(t--) solve();
        return 0;
    }

Compilation message (stderr)

Main.cpp:4: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    4 |     #pragma warning(disable : 4996)
      | 
Main.cpp:5: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    5 |     #pragma warning(disable : 6031)
      |

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 20
• Subtask 4: 0 / 12
• Subtask 5: 0 / 5
• Subtask 6: 0 / 35