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Submission #540352

# Submission time Handle Problem Language Result Execution time Memory
540352 2022-03-20T06:24:41 Z phathnv Potatoes and fertilizers (LMIO19_bulves) C++11
100 / 100
 137 ms 13144 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 5e5 + 10;

int n;
long long a[N];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        int x, y;
        cin >> x >> y;
        a[i] = a[i - 1] + (x - y);
    }
    long long ans = 0;
    for (int i = 1; i <= n; ++i) {
        if (a[i] < 0) {
            ans += (-a[i]);
            a[i] = 0;
        }
        if (a[i] > a[n]) {
            ans += a[i] - a[n];
            a[i] = a[n];
        }
    }
    priority_queue<int> pq;
    pq.push(a[1]);
    for (int i = 2; i <= n; ++i) {
        ans += max(0ll, pq.top() - a[i]);
        pq.push(a[i]);
        pq.push(a[i]);
        pq.pop();
    }
    cout << ans << '\n';
    return 0;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 7 ms 1368 KB Output is correct
5 Correct 14 ms 2384 KB Output is correct
6 Correct 47 ms 6732 KB Output is correct
7 Correct 105 ms 13140 KB Output is correct
8 Correct 86 ms 11312 KB Output is correct
9 Correct 92 ms 10684 KB Output is correct
10 Correct 68 ms 8268 KB Output is correct
11 Correct 66 ms 8332 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 7 ms 1368 KB Output is correct
5 Correct 14 ms 2384 KB Output is correct
6 Correct 47 ms 6732 KB Output is correct
7 Correct 105 ms 13140 KB Output is correct
8 Correct 86 ms 11312 KB Output is correct
9 Correct 92 ms 10684 KB Output is correct
10 Correct 68 ms 8268 KB Output is correct
11 Correct 66 ms 8332 KB Output is correct
12 Correct 29 ms 3604 KB Output is correct
13 Correct 75 ms 8908 KB Output is correct
14 Correct 109 ms 13104 KB Output is correct
15 Correct 89 ms 11216 KB Output is correct
16 Correct 86 ms 10596 KB Output is correct
17 Correct 74 ms 8312 KB Output is correct
18 Correct 1 ms 340 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 340 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 7 ms 1368 KB Output is correct
12 Correct 14 ms 2384 KB Output is correct
13 Correct 47 ms 6732 KB Output is correct
14 Correct 105 ms 13140 KB Output is correct
15 Correct 86 ms 11312 KB Output is correct
16 Correct 92 ms 10684 KB Output is correct
17 Correct 68 ms 8268 KB Output is correct
18 Correct 66 ms 8332 KB Output is correct
19 Correct 29 ms 3604 KB Output is correct
20 Correct 75 ms 8908 KB Output is correct
21 Correct 109 ms 13104 KB Output is correct
22 Correct 89 ms 11216 KB Output is correct
23 Correct 86 ms 10596 KB Output is correct
24 Correct 74 ms 8312 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 2 ms 344 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 2 ms 344 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 37 ms 3520 KB Output is correct
34 Correct 86 ms 8872 KB Output is correct
35 Correct 137 ms 13120 KB Output is correct
36 Correct 124 ms 10732 KB Output is correct
37 Correct 114 ms 11340 KB Output is correct
38 Correct 136 ms 13108 KB Output is correct
39 Correct 83 ms 9312 KB Output is correct
40 Correct 103 ms 8904 KB Output is correct
41 Correct 82 ms 8276 KB Output is correct
42 Correct 85 ms 8328 KB Output is correct
43 Correct 85 ms 8336 KB Output is correct
44 Correct 89 ms 8332 KB Output is correct
45 Correct 113 ms 13144 KB Output is correct
46 Correct 104 ms 8624 KB Output is correct
47 Correct 86 ms 8160 KB Output is correct