Submission #508830

# Submission time Handle Problem Language Result Execution time Memory
508830 2022-01-13T21:15:10 Z tabr Rice Hub (IOI11_ricehub) C++17
58 / 100
18 ms 2500 KB
#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

int besthub(int n, int, int* x, long long b) {
    vector<long long> pref(n + 1);
    for (int i = 0; i < n; i++) {
        pref[i + 1] = pref[i] + x[i];
    }
    int lo = 1;
    int hi = n + 1;
    while (hi - lo > 1) {
        int mid = (hi + lo) / 2;
        int ok = 0;
        for (int i = 0; i + mid <= n; i++) {
            for (int j = max(i, (i + i + mid) / 2 - 1); j <= min(i + mid, (i + i + mid) / 2 + 1); j++) {
                long long c = pref[i + mid] - pref[j] - 1LL * x[j] * (i + mid - j);
                c += 1LL * x[j] * (j - i) - (pref[j] - pref[i]);
                if (c <= b) {
                    ok = 1;
                }
            }
        }
        if (ok) {
            lo = mid;
        } else {
            hi = mid;
        }
    }
    return lo;
}
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 296 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 292 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 312 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 296 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 2 ms 312 KB Output is correct
22 Correct 2 ms 292 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 568 KB Output is correct
2 Correct 5 ms 588 KB Output is correct
3 Correct 12 ms 2484 KB Output is correct
4 Correct 12 ms 2460 KB Output is correct
5 Correct 16 ms 1136 KB Output is correct
6 Correct 13 ms 1212 KB Output is correct
7 Correct 10 ms 2112 KB Output is correct
8 Correct 11 ms 2188 KB Output is correct
9 Correct 12 ms 1100 KB Output is correct
10 Correct 11 ms 1080 KB Output is correct
11 Correct 12 ms 2500 KB Output is correct
12 Correct 18 ms 2496 KB Output is correct
13 Correct 13 ms 1156 KB Output is correct
14 Correct 13 ms 1208 KB Output is correct
15 Correct 9 ms 1956 KB Output is correct
16 Correct 10 ms 1868 KB Output is correct
17 Correct 11 ms 2232 KB Output is correct
18 Correct 11 ms 2228 KB Output is correct
19 Correct 13 ms 2352 KB Output is correct
20 Correct 12 ms 2372 KB Output is correct