Submission #993142

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
993142	2024-06-05T11:00:47 Z	vyshniak_n	Potatoes and fertilizers (LMIO19_bulves)	C++17	100 / 100	107 ms	25040 KB

bulves

//#pragma optimize("Ofast")
//#pragma optimize("unroll-loops")
//#pragma traget("avx,avx2")

#include <iostream>
#include <cmath>
#include <algorithm>
#include <stdio.h>
#include <cstdint>
#include <cstring>
#include <string>
#include <cstdlib>
#include <vector>
#include <bitset>
#include <map>
#include <queue>
#include <ctime>
#include <stack>
#include <set>
#include <list>
#include <random>
#include <deque>
#include <functional>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <complex>
#include <numeric>
#include <cassert>
#include <array>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <thread>

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

#define el '\n'
#define ff first
#define ss second
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define point pair <ll, ll>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

using namespace std;

#include <random>
mt19937 rnd(time(0));

const ll INF = 1e18 + 10;
const ll inf = 1e9 + 10;
const ll maxn = 5e5 + 10;
const ll mod = 1e9 + 7;
const ll K = 7e6 + 100;
const ll LOG = 20;

ll a[maxn], b[maxn], pref[maxn];

void solve() {
    ll n;
    cin >> n;

    for (ll i = 1; i <= n; i++)
        cin >> a[i] >> b[i];

    for (ll i = 1; i <= n; i++)
        pref[i] = pref[i - 1] + a[i] - b[i];

    priority_queue <ll> pq;

    ll ans = 0;
    for (ll i = 1; i <= n; i++) {
        if (pref[i] < 0) {
            ans += abs(pref[i]);
            pref[i] = 0;
        } else if (pref[i] > pref[n]) {
            ans += pref[i] - pref[n];
            pref[i] = pref[n];
        }

        pq.push(pref[i]);
        pq.push(pref[i]);
        ans += pq.top() - pref[i];
        pq.pop();
    }

    cout << ans << el;
    return;
}
signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    int tests = 1;
    //cin >> tests;

    while (tests--) 
        solve();
    return 0;
}
/*
*/

Subtask #1
24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4440 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	7 ms	9692 KB	Output is correct
5	Correct	14 ms	12508 KB	Output is correct
6	Correct	38 ms	16464 KB	Output is correct
7	Correct	83 ms	24524 KB	Output is correct
8	Correct	77 ms	23244 KB	Output is correct
9	Correct	67 ms	21664 KB	Output is correct
10	Correct	56 ms	19660 KB	Output is correct
11	Correct	56 ms	20224 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4440 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	7 ms	9692 KB	Output is correct
5	Correct	14 ms	12508 KB	Output is correct
6	Correct	38 ms	16464 KB	Output is correct
7	Correct	83 ms	24524 KB	Output is correct
8	Correct	77 ms	23244 KB	Output is correct
9	Correct	67 ms	21664 KB	Output is correct
10	Correct	56 ms	19660 KB	Output is correct
11	Correct	56 ms	20224 KB	Output is correct
12	Correct	21 ms	13524 KB	Output is correct
13	Correct	52 ms	20800 KB	Output is correct
14	Correct	84 ms	23376 KB	Output is correct
15	Correct	71 ms	22476 KB	Output is correct
16	Correct	63 ms	20936 KB	Output is correct
17	Correct	62 ms	18632 KB	Output is correct
18	Correct	1 ms	4444 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4440 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4440 KB	Output is correct
7	Correct	1 ms	4592 KB	Output is correct
8	Correct	1 ms	4440 KB	Output is correct
9	Correct	1 ms	4440 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4440 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4440 KB	Output is correct
7	Correct	1 ms	4592 KB	Output is correct
8	Correct	1 ms	4440 KB	Output is correct
9	Correct	1 ms	4440 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4444 KB	Output is correct
12	Correct	1 ms	4440 KB	Output is correct
13	Correct	2 ms	4700 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	2 ms	4444 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4576 KB	Output is correct
18	Correct	1 ms	4700 KB	Output is correct

Subtask #5
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4440 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4440 KB	Output is correct
7	Correct	1 ms	4592 KB	Output is correct
8	Correct	1 ms	4440 KB	Output is correct
9	Correct	1 ms	4440 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	7 ms	9692 KB	Output is correct
12	Correct	14 ms	12508 KB	Output is correct
13	Correct	38 ms	16464 KB	Output is correct
14	Correct	83 ms	24524 KB	Output is correct
15	Correct	77 ms	23244 KB	Output is correct
16	Correct	67 ms	21664 KB	Output is correct
17	Correct	56 ms	19660 KB	Output is correct
18	Correct	56 ms	20224 KB	Output is correct
19	Correct	21 ms	13524 KB	Output is correct
20	Correct	52 ms	20800 KB	Output is correct
21	Correct	84 ms	23376 KB	Output is correct
22	Correct	71 ms	22476 KB	Output is correct
23	Correct	63 ms	20936 KB	Output is correct
24	Correct	62 ms	18632 KB	Output is correct
25	Correct	1 ms	4440 KB	Output is correct
26	Correct	2 ms	4700 KB	Output is correct
27	Correct	1 ms	4444 KB	Output is correct
28	Correct	2 ms	4444 KB	Output is correct
29	Correct	1 ms	4444 KB	Output is correct
30	Correct	1 ms	4576 KB	Output is correct
31	Correct	1 ms	4700 KB	Output is correct
32	Correct	1 ms	4444 KB	Output is correct
33	Correct	29 ms	13532 KB	Output is correct
34	Correct	63 ms	21192 KB	Output is correct
35	Correct	107 ms	24264 KB	Output is correct
36	Correct	97 ms	22472 KB	Output is correct
37	Correct	83 ms	23240 KB	Output is correct
38	Correct	101 ms	23496 KB	Output is correct
39	Correct	65 ms	19400 KB	Output is correct
40	Correct	71 ms	20156 KB	Output is correct
41	Correct	63 ms	19144 KB	Output is correct
42	Correct	72 ms	18636 KB	Output is correct
43	Correct	66 ms	19912 KB	Output is correct
44	Correct	68 ms	18640 KB	Output is correct
45	Correct	88 ms	25040 KB	Output is correct
46	Correct	87 ms	20080 KB	Output is correct
47	Correct	70 ms	18380 KB	Output is correct

Submission #993142

Compilation message

Subtask #1 24.0 / 24.0

Subtask #2 10.0 / 10.0

Subtask #3 20.0 / 20.0

Subtask #4 10.0 / 10.0

Subtask #5 36.0 / 36.0

Subtask #1
24.0 / 24.0

Subtask #2
10.0 / 10.0

Subtask #3
20.0 / 20.0

Subtask #4
10.0 / 10.0

Subtask #5
36.0 / 36.0