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Submission #499598

# Submission time Handle Problem Language Result Execution time Memory
499598 2021-12-28T23:46:06 Z iliccmarko Gap (APIO16_gap) C++14
100 / 100
 62 ms 3220 KB 
#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
#define ll long long
#define endl "\n"
#define INF 1000000000
#define LINF 10000000000000000LL
#define pb push_back
#define all(x) x.begin(), x.end()
#define len(s) (int)s.size()
#define test_case { int t; cin>>t; while(t--)solve(); }
#define single_case solve();
#define line cerr<<"----------"<<endl;
#define ios { /*ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cerr.tie(NULL);*/ }
#define mod 1000000007LL
/*
void MinMax(ll l, ll r, ll *mini, ll *maks)
{
    cout<<l<<' '<<r<<endl;
    ll x;
    cin>>x;
    *mini = x;
    cin>>x;
    *maks = x;
}
*/
ll findGap(int t, int n)
{
    if(t==1LL)
    {
        deque<ll> dq;
        vector<pair<ll, ll> > v;
        ll l = 1LL;
        ll r = (ll)1e18;
        for(int i = 1;i<=(n+1)/2;i++)
        {
            ll mini, maks;
            MinMax(l, r, &mini, &maks);
            v.pb(make_pair(mini, maks));
            l = mini + 1;
            r = maks - 1;
        }
        for(int i = (n+1)/2-1;i>=0;i--)
        {
            if(v[i].first!=v[i].second)
            {
                dq.pb(v[i].second);
                dq.push_front(v[i].first);
            }
            else
            {
                dq.pb(v[i].first);
            }
        }
        ll maks = 1;
        for(int i = 1;i<len(dq);i++)
        {
            maks = max(maks, dq[i] - dq[i-1]);
        }
        return maks;
    }
    else
    {
        ll l, r, ans, mini, maks;
        l = 1LL;
        r = 1e18;
        MinMax(l, r, &mini, &maks);
        if(n==2)
        {
            return maks - mini;
        }
        vector<pair<ll, ll> > v;
        v.pb(make_pair(mini, mini));
        l = mini + 1;
        r = maks - 1;
        ll o = maks;
        ll d = (r-l+1)/((ll)n-2LL);
        ll rem = (r-l+1)%((ll)n-2LL);
        for(int i = 0;i<n-2;i++)
        {
            ll w = d;
            if(i<rem) w++;
            MinMax(l, l + w - 1LL, &mini, &maks);
            if(mini!=-1) v.pb(make_pair(mini, maks));
            l += w;
        }
        v.pb(make_pair(o, o));
        ans = 1;
        for(int i = 1;i<len(v);i++)
        {
            ans = max(ans, v[i].first - v[i-1].second);
        }
        //cout<<ans<<endl;
        return ans;
    }
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 0 ms 200 KB Output is correct
7 Correct 0 ms 200 KB Output is correct
8 Correct 0 ms 200 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 0 ms 200 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 9 ms 856 KB Output is correct
17 Correct 9 ms 884 KB Output is correct
18 Correct 11 ms 840 KB Output is correct
19 Correct 9 ms 840 KB Output is correct
20 Correct 7 ms 840 KB Output is correct
21 Correct 37 ms 2700 KB Output is correct
22 Correct 38 ms 2640 KB Output is correct
23 Correct 35 ms 2700 KB Output is correct
24 Correct 39 ms 2692 KB Output is correct
25 Correct 32 ms 2656 KB Output is correct
26 Correct 38 ms 2640 KB Output is correct
27 Correct 39 ms 2712 KB Output is correct
28 Correct 35 ms 2712 KB Output is correct
29 Correct 47 ms 2700 KB Output is correct
30 Correct 28 ms 2664 KB Output is correct
31 Correct 0 ms 200 KB Output is correct
32 Correct 0 ms 200 KB Output is correct

Subtask #2
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 0 ms 200 KB Output is correct
7 Correct 0 ms 200 KB Output is correct
8 Correct 0 ms 200 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 0 ms 200 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 15 ms 952 KB Output is correct
17 Correct 13 ms 884 KB Output is correct
18 Correct 14 ms 840 KB Output is correct
19 Correct 12 ms 912 KB Output is correct
20 Correct 7 ms 456 KB Output is correct
21 Correct 50 ms 2232 KB Output is correct
22 Correct 51 ms 2252 KB Output is correct
23 Correct 51 ms 2224 KB Output is correct
24 Correct 62 ms 2232 KB Output is correct
25 Correct 46 ms 3220 KB Output is correct
26 Correct 49 ms 2192 KB Output is correct
27 Correct 53 ms 2200 KB Output is correct
28 Correct 52 ms 2200 KB Output is correct
29 Correct 57 ms 2200 KB Output is correct
30 Correct 30 ms 1472 KB Output is correct
31 Correct 0 ms 200 KB Output is correct
32 Correct 0 ms 200 KB Output is correct