Submission #579795

# Submission time Handle Problem Language Result Execution time Memory
579795 2022-06-19T21:58:57 Z stevancv Gap (APIO16_gap) C++14
30 / 100
41 ms 1872 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) {
        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) {
            MinMax(mn + 1, p - gap - 1, &r, &s);
            if (r != -1) smax(gap, p - r);
            else smax(gap, p - mn);
            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 0 ms 208 KB Output is correct
6 Correct 0 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 0 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 9 ms 720 KB Output is correct
17 Correct 10 ms 720 KB Output is correct
18 Correct 11 ms 684 KB Output is correct
19 Correct 12 ms 720 KB Output is correct
20 Correct 9 ms 720 KB Output is correct
21 Correct 41 ms 1768 KB Output is correct
22 Correct 35 ms 1832 KB Output is correct
23 Correct 39 ms 1864 KB Output is correct
24 Correct 36 ms 1828 KB Output is correct
25 Correct 32 ms 1832 KB Output is correct
26 Correct 35 ms 1844 KB Output is correct
27 Correct 33 ms 1824 KB Output is correct
28 Correct 33 ms 1824 KB Output is correct
29 Correct 35 ms 1824 KB Output is correct
30 Correct 29 ms 1872 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
3 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
4 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
5 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
6 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
7 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
8 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
9 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
10 Incorrect 0 ms 208 KB Output isn't correct
11 Runtime error 1 ms 208 KB Execution failed because the return code was nonzero
12 Runtime error 1 ms 336 KB Execution failed because the return code was nonzero
13 Runtime error 1 ms 208 KB Execution failed because the return code was nonzero
14 Runtime error 1 ms 336 KB Execution failed because the return code was nonzero
15 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
16 Runtime error 6 ms 464 KB Execution failed because the return code was nonzero
17 Runtime error 5 ms 424 KB Execution failed because the return code was nonzero
18 Runtime error 6 ms 464 KB Execution failed because the return code was nonzero
19 Runtime error 5 ms 464 KB Execution failed because the return code was nonzero
20 Runtime error 3 ms 464 KB Execution failed because the return code was nonzero
21 Runtime error 18 ms 1056 KB Execution failed because the return code was nonzero
22 Runtime error 18 ms 1060 KB Execution failed because the return code was nonzero
23 Runtime error 20 ms 968 KB Execution failed because the return code was nonzero
24 Runtime error 19 ms 980 KB Execution failed because the return code was nonzero
25 Runtime error 13 ms 1072 KB Execution failed because the return code was nonzero
26 Runtime error 18 ms 980 KB Execution failed because the return code was nonzero
27 Runtime error 20 ms 1016 KB Execution failed because the return code was nonzero
28 Runtime error 17 ms 1048 KB Execution failed because the return code was nonzero
29 Runtime error 17 ms 1088 KB Execution failed because the return code was nonzero
30 Runtime error 12 ms 1048 KB Execution failed because the return code was nonzero
31 Correct 0 ms 208 KB Output is correct
32 Runtime error 1 ms 208 KB Execution failed because the return code was nonzero