Submission #579911

# Submission time Handle Problem Language Result Execution time Memory
579911 2022-06-20T08:57:21 Z stevancv Gap (APIO16_gap) C++14
30 / 100
48 ms 1884 KB
#include <bits/stdc++.h>
#include "gap.h"
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 1e5 + 2;
ll findGap(int t, int n) {
    if (t == 1 || t == 2) {
        vector<ll> a(n);
        ll mn = 0; ll mx = 1e18;
        for (int i = 0; i < n; i++) {
            if (i > n - i - 1) break;
            MinMax(mn, mx, &a[i], &a[n - i - 1]);
            mn = a[i] + 1;
            mx = a[n - i - 1] - 1;
        }
        ll ans = 0;
        for (int i = 1; i < n; i++) smax(ans, a[i] - a[i - 1]);
        return ans;
    }
    ll mn = 0; ll mx = 1e18;
    MinMax(0, 1e18, &mn, &mx);
    ll gap = (mx - mn + n - 2) / (n - 1);
    while (mn <= mx) {
        ll p, q, r, s;
        p = q = r = s = 0;
        if (mn + gap + 1 > mx - gap - 1) break;
        MinMax(mn + gap + 1, mx - gap - 1, &p, &q);
        if (p != -1) {
            if (mn + 1 <= p - gap - 1) MinMax(mn + 1, p - gap - 1, &r, &s);
            if (r != -1) smax(gap, p - r);
            else smax(gap, p - mn);
          	s = -1;
            if (q + gap + 1 <= mx - 1) MinMax(q + gap + 1, mx - 1, &r, &s);
            if (s != -1) smax(gap, s - q);
            else smax(gap, mx - q);
            mn = p;
            mx = q;
        }
        else {
            MinMax(mn + 1, mn + gap, &p, &q);
            MinMax(mx - gap, mx - 1, &r, &s);
            if (q != -1) smax(mn, q);
            if (r != -1) smin(mx, r);
            smax(gap, mx - mn);
            break;
        }
    }
    return gap;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 10 ms 680 KB Output is correct
17 Correct 14 ms 692 KB Output is correct
18 Correct 10 ms 720 KB Output is correct
19 Correct 9 ms 720 KB Output is correct
20 Correct 8 ms 720 KB Output is correct
21 Correct 45 ms 1772 KB Output is correct
22 Correct 36 ms 1828 KB Output is correct
23 Correct 42 ms 1760 KB Output is correct
24 Correct 40 ms 1824 KB Output is correct
25 Correct 35 ms 1828 KB Output is correct
26 Correct 38 ms 1832 KB Output is correct
27 Correct 38 ms 1812 KB Output is correct
28 Correct 37 ms 1864 KB Output is correct
29 Correct 48 ms 1884 KB Output is correct
30 Correct 33 ms 1820 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Partially correct 0 ms 208 KB Partially correct
3 Partially correct 0 ms 208 KB Partially correct
4 Partially correct 1 ms 208 KB Partially correct
5 Partially correct 1 ms 208 KB Partially correct
6 Partially correct 0 ms 208 KB Partially correct
7 Partially correct 0 ms 208 KB Partially correct
8 Partially correct 0 ms 208 KB Partially correct
9 Partially correct 1 ms 208 KB Partially correct
10 Partially correct 0 ms 208 KB Partially correct
11 Partially correct 1 ms 336 KB Partially correct
12 Partially correct 1 ms 336 KB Partially correct
13 Partially correct 1 ms 336 KB Partially correct
14 Partially correct 1 ms 336 KB Partially correct
15 Partially correct 1 ms 336 KB Partially correct
16 Partially correct 9 ms 632 KB Partially correct
17 Partially correct 10 ms 720 KB Partially correct
18 Partially correct 10 ms 720 KB Partially correct
19 Partially correct 10 ms 592 KB Partially correct
20 Partially correct 8 ms 720 KB Partially correct
21 Incorrect 41 ms 1820 KB Expected int32, but "2500100000" found
22 Incorrect 37 ms 1864 KB Expected int32, but "2500100000" found
23 Incorrect 39 ms 1824 KB Expected int32, but "2500100000" found
24 Incorrect 40 ms 1828 KB Expected int32, but "2500100000" found
25 Incorrect 36 ms 1828 KB Expected int32, but "2500100000" found
26 Incorrect 38 ms 1776 KB Expected int32, but "2500100000" found
27 Incorrect 44 ms 1824 KB Expected int32, but "2500100000" found
28 Incorrect 43 ms 1824 KB Expected int32, but "2500100000" found
29 Incorrect 39 ms 1880 KB Expected int32, but "2500100000" found
30 Incorrect 33 ms 1864 KB Expected int32, but "2500100000" found
31 Partially correct 0 ms 208 KB Partially correct
32 Partially correct 1 ms 208 KB Partially correct