oj.uz

Submission #251865

# Submission time Handle Problem Language Result Execution time Memory
251865 2020-07-22T13:04:13 Z abacaba Potatoes and fertilizers (LMIO19_bulves) C++14
100 / 100
 200 ms 30948 KB 
#include <bits/stdc++.h>
using namespace std;
 
inline void setin(string s) {
    freopen(s.c_str(), "r", stdin);
}
 
template <typename T> void Min(T &a, T b) {
    a = min(a, b);
}
 
template <typename T> void Max(T &a, T b) {
    a = max(a, b);
}

#define int long long

const int mod = 1e9 + 7;
const int inf = 2e9;
const int N = 1e6 + 15;
int n, a[N], b[N], diff[N], d[N];
priority_queue <int> q;
int ans;
int opt[N];

signed main() {
    ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0);
    // setin("input.txt");
    cin >> n;
    for(int i = 1; i <= n; ++i)
        cin >> a[i] >> b[i];
    for(int i = 1; i <= n; ++i)
        diff[i] = a[i] - b[i];
    for(int i = 1; i <= n; ++i)
        d[i] = d[i-1] + diff[i];
    for(int i = 1; i <= n; ++i) {
        if(d[i] < 0)
            ans += abs(d[i]);
        Max(d[i], 0LL);
    }
    for(int i = 1; i <= n; ++i) {
        q.push(d[i]);
        q.push(d[i]);
        opt[i] = q.top();
        q.pop();
    }
    opt[n] = d[n];
    for(int i = n - 1; i; --i) {
        Min(opt[i], opt[i + 1]);
        ans += abs(opt[i] - d[i]);
    }
    cout << ans << endl;
    return 0;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 2 ms 640 KB Output is correct
4 Correct 16 ms 3200 KB Output is correct
5 Correct 30 ms 5964 KB Output is correct
6 Correct 100 ms 15592 KB Output is correct
7 Correct 169 ms 30888 KB Output is correct
8 Correct 159 ms 28900 KB Output is correct
9 Correct 142 ms 28264 KB Output is correct
10 Correct 113 ms 25964 KB Output is correct
11 Correct 115 ms 25960 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 2 ms 640 KB Output is correct
4 Correct 16 ms 3200 KB Output is correct
5 Correct 30 ms 5964 KB Output is correct
6 Correct 100 ms 15592 KB Output is correct
7 Correct 169 ms 30888 KB Output is correct
8 Correct 159 ms 28900 KB Output is correct
9 Correct 142 ms 28264 KB Output is correct
10 Correct 113 ms 25964 KB Output is correct
11 Correct 115 ms 25960 KB Output is correct
12 Correct 49 ms 8048 KB Output is correct
13 Correct 127 ms 20076 KB Output is correct
14 Correct 165 ms 30820 KB Output is correct
15 Correct 172 ms 28904 KB Output is correct
16 Correct 184 ms 28256 KB Output is correct
17 Correct 112 ms 25976 KB Output is correct
18 Correct 2 ms 512 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 2 ms 512 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 2 ms 640 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 1 ms 640 KB Output is correct
13 Correct 2 ms 640 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 2 ms 640 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 1 ms 640 KB Output is correct
18 Correct 2 ms 512 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 2 ms 640 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 16 ms 3200 KB Output is correct
12 Correct 30 ms 5964 KB Output is correct
13 Correct 100 ms 15592 KB Output is correct
14 Correct 169 ms 30888 KB Output is correct
15 Correct 159 ms 28900 KB Output is correct
16 Correct 142 ms 28264 KB Output is correct
17 Correct 113 ms 25964 KB Output is correct
18 Correct 115 ms 25960 KB Output is correct
19 Correct 49 ms 8048 KB Output is correct
20 Correct 127 ms 20076 KB Output is correct
21 Correct 165 ms 30820 KB Output is correct
22 Correct 172 ms 28904 KB Output is correct
23 Correct 184 ms 28256 KB Output is correct
24 Correct 112 ms 25976 KB Output is correct
25 Correct 2 ms 512 KB Output is correct
26 Correct 1 ms 640 KB Output is correct
27 Correct 2 ms 640 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 640 KB Output is correct
30 Correct 2 ms 512 KB Output is correct
31 Correct 1 ms 640 KB Output is correct
32 Correct 67 ms 8048 KB Output is correct
33 Correct 127 ms 20320 KB Output is correct
34 Correct 200 ms 30948 KB Output is correct
35 Correct 164 ms 28384 KB Output is correct
36 Correct 162 ms 28900 KB Output is correct
37 Correct 185 ms 30820 KB Output is correct
38 Correct 120 ms 26988 KB Output is correct
39 Correct 131 ms 24756 KB Output is correct
40 Correct 119 ms 26004 KB Output is correct
41 Correct 109 ms 25960 KB Output is correct
42 Correct 116 ms 25952 KB Output is correct
43 Correct 108 ms 25952 KB Output is correct
44 Correct 200 ms 30688 KB Output is correct
45 Correct 141 ms 26320 KB Output is correct
46 Correct 116 ms 21616 KB Output is correct
47 Correct 2 ms 512 KB Output is correct