oj.uz

Submission #430772

# Submission time Handle Problem Language Result Execution time Memory
430772 2021-06-17T04:24:56 Z smax Potatoes and fertilizers (LMIO19_bulves) C++17
100 / 100
 196 ms 15344 KB 
#include <bits/stdc++.h>
using namespace std;

#ifdef LOCAL
#define DEBUG(...) debug(#__VA_ARGS__, __VA_ARGS__)
#else
#define DEBUG(...) 6
#endif

template<typename T, typename S> ostream& operator << (ostream &os, const pair<T, S> &p) {return os << "(" << p.first << ", " << p.second << ")";}
template<typename C, typename T = decay<decltype(*begin(declval<C>()))>, typename enable_if<!is_same<C, string>::value>::type* = nullptr>
ostream& operator << (ostream &os, const C &c) {bool f = true; os << "["; for (const auto &x : c) {if (!f) os << ", "; f = false; os << x;} return os << "]";}
template<typename T> void debug(string s, T x) {cerr << s << " = " << x << "\n";}
template<typename T, typename... Args> void debug(string s, T x, Args... args) {for (int i=0, b=0; i<(int)s.size(); i++) if (s[i] == '(' || s[i] == '{') b++; else
if (s[i] == ')' || s[i] == '}') b--; else if (s[i] == ',' && b == 0) {cerr << s.substr(0, i) << " = " << x << " | "; debug(s.substr(s.find_first_not_of(' ', i + 1)), args...); break;}}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n;
    cin >> n;
    vector<long long> diff(n);
    for (int i=0; i<n; i++) {
        int a, b;
        cin >> a >> b;
        diff[i] = a - b + (i > 0 ? diff[i-1] : 0);
    }

    assert(diff[n-1] >= 0);
    long long ret = 0;
    priority_queue<long long> pq;
    for (int i=0; i<n-1; i++) {
        if (diff[i] < 0) {
            ret -= diff[i];
            diff[i] = 0;
        } else if (diff[i] > diff[n-1]) {
            ret += diff[i] - diff[n-1];
            diff[i] = diff[n-1];
        }
        pq.push(diff[i]);
        pq.push(diff[i]);
        ret += pq.top() - diff[i];
        pq.pop();
    }
    cout << ret << "\n";

    return 0;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 13 ms 1684 KB Output is correct
5 Correct 23 ms 2876 KB Output is correct
6 Correct 68 ms 7752 KB Output is correct
7 Correct 140 ms 15108 KB Output is correct
8 Correct 127 ms 13328 KB Output is correct
9 Correct 125 ms 12604 KB Output is correct
10 Correct 106 ms 10352 KB Output is correct
11 Correct 104 ms 10352 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 13 ms 1684 KB Output is correct
5 Correct 23 ms 2876 KB Output is correct
6 Correct 68 ms 7752 KB Output is correct
7 Correct 140 ms 15108 KB Output is correct
8 Correct 127 ms 13328 KB Output is correct
9 Correct 125 ms 12604 KB Output is correct
10 Correct 106 ms 10352 KB Output is correct
11 Correct 104 ms 10352 KB Output is correct
12 Correct 38 ms 4092 KB Output is correct
13 Correct 85 ms 10960 KB Output is correct
14 Correct 171 ms 15172 KB Output is correct
15 Correct 124 ms 13372 KB Output is correct
16 Correct 120 ms 12652 KB Output is correct
17 Correct 119 ms 10340 KB Output is correct
18 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 324 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 13 ms 1684 KB Output is correct
12 Correct 23 ms 2876 KB Output is correct
13 Correct 68 ms 7752 KB Output is correct
14 Correct 140 ms 15108 KB Output is correct
15 Correct 127 ms 13328 KB Output is correct
16 Correct 125 ms 12604 KB Output is correct
17 Correct 106 ms 10352 KB Output is correct
18 Correct 104 ms 10352 KB Output is correct
19 Correct 38 ms 4092 KB Output is correct
20 Correct 85 ms 10960 KB Output is correct
21 Correct 171 ms 15172 KB Output is correct
22 Correct 124 ms 13372 KB Output is correct
23 Correct 120 ms 12652 KB Output is correct
24 Correct 119 ms 10340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 2 ms 324 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 43 ms 4072 KB Output is correct
34 Correct 103 ms 10940 KB Output is correct
35 Correct 193 ms 15344 KB Output is correct
36 Correct 196 ms 12772 KB Output is correct
37 Correct 140 ms 13244 KB Output is correct
38 Correct 167 ms 15216 KB Output is correct
39 Correct 148 ms 11384 KB Output is correct
40 Correct 127 ms 10940 KB Output is correct
41 Correct 117 ms 10352 KB Output is correct
42 Correct 111 ms 10356 KB Output is correct
43 Correct 112 ms 10428 KB Output is correct
44 Correct 115 ms 10348 KB Output is correct
45 Correct 148 ms 15084 KB Output is correct
46 Correct 137 ms 10740 KB Output is correct
47 Correct 113 ms 10268 KB Output is correct