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Submission #744606

# Submission time Handle Problem Language Result Execution time Memory
744606 2023-05-18T19:19:00 Z Desh03 Palembang Bridges (APIO15_bridge) C++17
22 / 100
 61 ms 3740 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    long long k, n, ans = 1e18, ss = 0, S = 0, S2 = 0;
    cin >> k >> n;
    vector<long long> a, b;
    for (int i = 0; i < n; i++) {
        char x, y;
        int s, t;
        cin >> x >> s >> y >> t;
        if (x == y) {
            ss += abs(s - t);
            continue;
        }
        if (x == 'A') a.push_back(s), b.push_back(t);
        else a.push_back(t), b.push_back(s);
    }
    if (a.size()) {
        sort(a.begin(), a.end());
        sort(b.begin(), b.end());
        n = a.size();
        vector<long long> pre1(n + 1), pre2(n + 1);
        for (int i = 0; i < n; i++) pre1[i + 1] = pre1[i] + a[i], S += a[i];
        for (int i = 0; i < n; i++) pre2[i + 1] = pre2[i] + b[i], S2 += b[i];
        for (auto x : a) {
            long long k = upper_bound(a.begin(), a.end(), x) - a.begin();
            long long k2 = upper_bound(b.begin(), b.end(), x) - b.begin();
            ans = min(ans, 2 * (x * (k + k2 - n) - pre1[k] - pre2[k2]));
        }
        for (auto x : b) {
            long long k = upper_bound(a.begin(), a.end(), x) - a.begin();
            long long k2 = upper_bound(b.begin(), b.end(), x) - b.begin();
            ans = min(ans, 2 * (x * (k + k2 - n) - pre1[k] - pre2[k2]));
        }
        cout << ans + S + S2 + ss + n << '\n';
    } else {
        cout << ss << '\n';
    }
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 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

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 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 27 ms 3648 KB Output is correct
13 Correct 60 ms 3596 KB Output is correct
14 Correct 40 ms 3352 KB Output is correct
15 Correct 36 ms 2380 KB Output is correct
16 Correct 39 ms 3740 KB Output is correct
17 Correct 44 ms 3640 KB Output is correct
18 Correct 59 ms 3620 KB Output is correct
19 Correct 61 ms 3672 KB Output is correct
20 Correct 37 ms 3648 KB Output is correct
21 Correct 52 ms 3632 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -