oj.uz

Submission #1098786

# Submission time Handle Problem Language Result Execution time Memory
1098786 2024-10-10T00:45:39 Z gyg Measures (CEOI22_measures) C++17
24 / 100
 1500 ms 20584 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define arr array 
#define vct vector 
#define pii pair<int, int>
#define fir first 
#define sec second 
const int N = 2e5 + 5, M = 2e5 + 5, INF = 1e18;

int n, m, d;
arr<int, N + M> ps;

arr<int, N + M> ind, rv_ind, vl;
struct Rng {
    int l, r, mn, mx;
    bool operator<(Rng oth) const {
        if (l == oth.l && r == oth.r) assert(false);
        if (l == oth.l) return r < oth.r;
        return l < oth.l;
    }
};

int gt_ans(int lst) {
    vct<pii> ord;
    for (int i = 1; i <= lst; i++) 
        ord.push_back({ps[i], i});
    sort(ord.begin(), ord.end());

    fill(ind.begin(), ind.end(), 0);
    fill(vl.begin(), vl.end(), 0);
    fill(rv_ind.begin(), rv_ind.end(), 0);
    for (int i = 0; i < ord.size(); i++) {
        ind[ord[i].sec] = i + 1, rv_ind[i + 1] = ord[i].sec;
        vl[i + 1] = ord[i].fir - i * d;
    }

    Rng rng = {0, 0, INF, -INF};
    long double ans = 0;
    for (int i = 1; i <= n + m; i++) {
        if (rv_ind[i] == 0) continue;
        if (vl[i] > rng.mx) {
            if (rng.l != 0) { rng.r = i - 1; }
            rng = {i, 0, vl[i], vl[i]};
        }
        rng.mn = min(rng.mn, vl[i]);
        ans = max(ans, (rng.mx - rng.mn) / (long double) 2);
    }
    return 2 * ans;
}

signed main() {
    // freopen("ms.in", "r", stdin);
    cin >> n >> m >> d; 
    for (int i = 1; i <= n + m; i++) cin >> ps[i];

    for (int i = n + 1; i <= n + m; i++) {
        int tw_ans = gt_ans(i);
        if (tw_ans % 2 == 0) cout << tw_ans / 2 << " ";
        else cout << tw_ans / 2 << ".5 ";
    }
    cout << endl;
}

Compilation message

Main.cpp: In function 'long long int gt_ans(long long int)':
Main.cpp:33:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (int i = 0; i < ord.size(); i++) {
      |                     ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9820 KB Output is correct
2 Correct 8 ms 9820 KB Output is correct
3 Correct 8 ms 9820 KB Output is correct
4 Correct 8 ms 9820 KB Output is correct
5 Correct 7 ms 9820 KB Output is correct
6 Correct 7 ms 9720 KB Output is correct
7 Correct 7 ms 9776 KB Output is correct
8 Correct 7 ms 9820 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9820 KB Output is correct
2 Correct 8 ms 9820 KB Output is correct
3 Correct 8 ms 9820 KB Output is correct
4 Correct 8 ms 9820 KB Output is correct
5 Correct 7 ms 9820 KB Output is correct
6 Correct 7 ms 9720 KB Output is correct
7 Correct 7 ms 9776 KB Output is correct
8 Correct 7 ms 9820 KB Output is correct
9 Correct 238 ms 20544 KB Output is correct
10 Correct 216 ms 20584 KB Output is correct
11 Correct 152 ms 20580 KB Output is correct
12 Correct 289 ms 20528 KB Output is correct
13 Correct 118 ms 20136 KB Output is correct
14 Correct 171 ms 20560 KB Output is correct
15 Correct 223 ms 19896 KB Output is correct
16 Correct 125 ms 20576 KB Output is correct

Subtask #3
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1563 ms 13304 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 41.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1563 ms 13304 KB Time limit exceeded
2 Halted 0 ms 0 KB -