oj.uz

Submission #518271

# Submission time Handle Problem Language Result Execution time Memory
518271 2022-01-23T09:40:33 Z Evirir Gap (APIO16_gap) C++17
100 / 100
 60 ms 3340 KB 
#include <bits/stdc++.h>
#include "gap.h"
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
//using namespace __gnu_pbds;

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#define watch(x) cout<<(#x)<<"="<<(x)<<'\n'
#define mset(d,val) memset(d,val,sizeof(d))
#define cbug if(DEBUG) cout
#define setp(x) cout<<fixed<<setprecision(x)
#define sz(x) (int)(x).size()
#define all(x) begin(x), end(x)
#define forn(i,a,b) for(int i=(a);i<(b);i++)
#define fore(i,a,b) for(int i=(a);i<=(b);i++)
#define pb push_back
#define F first
#define S second
#define fbo find_by_order
#define ook order_of_key
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> ii;
typedef vector<ll> vi;
typedef vector<ii> vii;
//template<typename T>
//using pbds = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
void SD(int t=0){ cout<<"PASSED "<<t<<endl; }
ostream& operator<<(ostream &out, ii x){ out<<"("<<x.F<<","<<x.S<<")"; return out; }
template<typename T> void amax(T &a, T b){ a=max(a,b); }
template<typename T> void amin(T &a, T b){ a=min(a,b); }
const ll INF = ll(1e18);
const int MOD = 998244353;

const bool DEBUG = 0;
const int MAXN = 100005;
const int LG = 21;

ll mn, mx;

void query(ll L, ll R)
{
    MinMax(L, R, &mn, &mx);
}

ll solve1(int n)
{
    ll a[n];
    mn=-1, mx=(ll)(1e18)+1;
    for(int l=0, r=n-1; l<=r; l++, r--)
    {
        query(mn + 1, mx - 1);
        a[l]=mn, a[r]=mx;
    }
    ll ans=0;
    forn(i,1,n) ans=max(ans, a[i]-a[i-1]);
    return ans;
}

ll solve2(int n)
{
    query(0, (ll)1e18);
    ll L=mn, R=mx;
    ll len=(R-L+n-2) / (n-1);

    vector<ll> v={mn};
    forn(i,0,n-1)
    {
        query(L+i*len+1, L+(i+1)*len);
        if(mn!=-1)
        {
            v.pb(mn); v.pb(mx);
        }
    }
    ll ans=0;
    forn(i,1,sz(v)) ans=max(ans, v[i]-v[i-1]);
    return ans;
}

long long findGap(int T, int N)
{
    return (T == 1 ? solve1(N)  : solve2(N));
}

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 284 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 292 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 0 ms 200 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 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 10 ms 676 KB Output is correct
17 Correct 10 ms 664 KB Output is correct
18 Correct 9 ms 672 KB Output is correct
19 Correct 9 ms 584 KB Output is correct
20 Correct 7 ms 680 KB Output is correct
21 Correct 33 ms 1728 KB Output is correct
22 Correct 34 ms 1808 KB Output is correct
23 Correct 39 ms 1780 KB Output is correct
24 Correct 40 ms 1816 KB Output is correct
25 Correct 34 ms 1828 KB Output is correct
26 Correct 34 ms 1804 KB Output is correct
27 Correct 41 ms 1808 KB Output is correct
28 Correct 36 ms 1860 KB Output is correct
29 Correct 34 ms 1812 KB Output is correct
30 Correct 31 ms 1812 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 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 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 13 ms 888 KB Output is correct
17 Correct 12 ms 840 KB Output is correct
18 Correct 12 ms 824 KB Output is correct
19 Correct 12 ms 840 KB Output is correct
20 Correct 6 ms 456 KB Output is correct
21 Correct 50 ms 2324 KB Output is correct
22 Correct 48 ms 2184 KB Output is correct
23 Correct 60 ms 2192 KB Output is correct
24 Correct 50 ms 2192 KB Output is correct
25 Correct 49 ms 3340 KB Output is correct
26 Correct 49 ms 2196 KB Output is correct
27 Correct 51 ms 2228 KB Output is correct
28 Correct 50 ms 2180 KB Output is correct
29 Correct 55 ms 2200 KB Output is correct
30 Correct 33 ms 1444 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 0 ms 200 KB Output is correct