Submission #1077464

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1077464	2024-08-27T07:30:09 Z	Icelast	Gap (APIO16_gap)	C++17	83.5083 / 100	43 ms	1972 KB

gap

#include "gap.h"
#include <iostream>
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll maxn = 2*1e5+5, INF = 4e18+9;

long long findGap(int T, int n)
{
    ll ans = 0;
    if(T == 1){
        ll l = 0, r = INF;
        ll mn, mx;
        vector<ll> a(n+1);
        for(int i = 1; i <= (n+1)/2; i++){
            MinMax(l, r, &mn, &mx);
            a[i] = mn; a[n-i+1] = mx;
            l = mn+1, r = mx-1;
        }
        for(int i = 2; i <= n; i++){
            ans = max(ans, a[i]-a[i-1]);
        }
    }else{
        ll l = 0, r = INF;
        ll mn, mx;
        vector<ll> a(n+1);
        MinMax(l, r, &mn, &mx);
        l = mn, r = mx;
        ll d = (r-l)/n;
        while(l < r){
            MinMax(l+1, l+d, &mn, &mx);
            if(mn != -1){
                l = mx;
                continue;
            }

            MinMax(l+1, l+d*2, &mn, &mx);
            ll t = mn;

            while(t == -1){
                d*=2;
                MinMax(l+1, l+d*2, &mn, &mx);
                t = mn;
            }
            d = max(d, t-l);
            l = mx;
        }
        ans = d;
    }
	return ans;
}

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	596 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	440 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	7 ms	856 KB	Output is correct
17	Correct	7 ms	856 KB	Output is correct
18	Correct	7 ms	856 KB	Output is correct
19	Correct	6 ms	856 KB	Output is correct
20	Correct	7 ms	856 KB	Output is correct
21	Correct	34 ms	1832 KB	Output is correct
22	Correct	43 ms	1880 KB	Output is correct
23	Correct	35 ms	1884 KB	Output is correct
24	Correct	39 ms	1972 KB	Output is correct
25	Correct	25 ms	1968 KB	Output is correct
26	Correct	25 ms	1880 KB	Output is correct
27	Correct	28 ms	1880 KB	Output is correct
28	Correct	40 ms	1908 KB	Output is correct
29	Correct	28 ms	1880 KB	Output is correct
30	Correct	26 ms	1836 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct

Subtask #2

53.5083487467 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	0 ms	344 KB	Partially correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	2 ms	344 KB	Output is correct
16	Correct	5 ms	856 KB	Output is correct
17	Correct	5 ms	856 KB	Output is correct
18	Correct	5 ms	660 KB	Output is correct
19	Correct	5 ms	672 KB	Output is correct
20	Correct	3 ms	856 KB	Output is correct
21	Correct	29 ms	1872 KB	Output is correct
22	Correct	25 ms	1880 KB	Output is correct
23	Correct	18 ms	1880 KB	Output is correct
24	Correct	24 ms	1876 KB	Output is correct
25	Correct	34 ms	1880 KB	Output is correct
26	Correct	18 ms	1880 KB	Output is correct
27	Correct	19 ms	1880 KB	Output is correct
28	Correct	18 ms	1880 KB	Output is correct
29	Correct	29 ms	1872 KB	Output is correct
30	Correct	9 ms	1880 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct