oj.uz

Submission #1093028

# Submission time Handle Problem Language Result Execution time Memory
1093028 2024-09-25T17:56:04 Z Seb Potatoes and fertilizers (LMIO19_bulves) C++17
0 / 100
 1000 ms 11200 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
template <typename T> //order_of_key = menores, find_by_order = consultar indexado en 0, regresa iterador
using ordered_set =  tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

using ll = long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vll = vector<ll>;
using vii = vector<int>;
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());

#define mid ((l+r)>>1)
#define f first
#define s second
#define pb push_back
#define MP make_pair
#define all(x) (x).begin(),(x).end()
#define inicio(x) (*(x).begin())
#define rinicio(x) (*(x).rbegin())
#define SZ(x) (int)(x.size())

const ll MAXN = (ll)5e5 + 5;
const ll MOD = (ll)1e9 + 7;
const ll INF = (ll)1e12 + 5;
const ll OFFSET = (ll)1e6;

void tc() {
    priority_queue<ll> pq;
    ll N, a, b, sum = 0, brute = 0, ans = 0, M = 0, pre; cin >> N;
    for (int i = 0; i < N - 1; i++) {
        cin >> a >> b;
        a -= b;
        sum += a;
        brute += abs(sum);

        pq.push(max(sum, 0LL));
        pq.push(max(sum, 0LL));
        pq.pop();
    }
    cin >> a >> b;
    sum += a - b;

    while (pq.top() > sum) {
        M--;
        pq.pop();
    }

    pq.push(0);
    pre = pq.top();
    while (!pq.empty()) {
        ans -= M*abs(pre - pq.top());
        pre = pq.top();
        pq.pop();
        M--;
    }
    cout << brute - ans << "\n";
    return;
}

int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);
    int t = 1;
    //cin >> t;
    for (int i = 1; i <= t; i++) {
        tc();
    }
    return 0;
}

//checa tus constantes, n = 1? overflow?

Subtask #1
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 12 ms 1244 KB Output is correct
5 Correct 22 ms 2032 KB Output is correct
6 Correct 83 ms 5728 KB Output is correct
7 Correct 99 ms 11200 KB Output is correct
8 Execution timed out 1042 ms 9152 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 12 ms 1244 KB Output is correct
5 Correct 22 ms 2032 KB Output is correct
6 Correct 83 ms 5728 KB Output is correct
7 Correct 99 ms 11200 KB Output is correct
8 Execution timed out 1042 ms 9152 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Incorrect 0 ms 348 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Incorrect 0 ms 348 KB Output isn't correct
6 Halted 0 ms 0 KB -