oj.uz

Submission #242518

# Submission time Handle Problem Language Result Execution time Memory
242518 2020-06-27T23:22:10 Z WhaleVomit Gap (APIO16_gap) C++14
100 / 100
 76 ms 4344 KB 
#include <bits/stdc++.h>
#include "gap.h"
using namespace std;

#define f first
#define s second
#define pb push_back
#define mp make_pair
#define all(v) v.begin(), v.end()
#define sz(v) (int)v.size()

#define MOO(i, a, b) for(int i=a; i<b; i++)
#define M00(i, a) for(int i=0; i<a; i++)
#define MOOd(i,a,b) for(int i = (b)-1; i >= a; i--)
#define M00d(i,a) for(int i = (a)-1; i>=0; i--)

#define FAST ios::sync_with_stdio(0); cin.tie(0);
#define finish(x) return cout << x << '\n', 0;
#define dbg(x) cerr << ">>> " << #x << " = " << x << "\n";
#define _ << " _ " <<

typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef pair<int,int> pi;
typedef pair<ld,ld> pd;
typedef complex<ld> cd;

/*vector<ll> vals;
ll m1 = 0;
ll m2 = 0;

void MinMax(ll s, ll t, ll& mn, ll& mx) {
    m1++;
    mn = (1e18)+1; mx = -1;
    for(ll x: vals) {
        if(s <= x && x <= t) {
            mn = min(mn, x);
            mx = max(mx, x);
            m2++;
        }
    }
    if(mx == -1) {
        mn = -1;
    }
}*/

pair<ll,ll> getMinMax(ll s, ll t) {
    ll mn, mx;
    MinMax(s, t, &mn, &mx);
    return mp(mn, mx);
}

ll findGap(int t, int n) {
    if(t == 1) {
        vector<ll> nums;
        ll lo = 0;
        ll hi = 1e18;
        int cnt = 0;
        while(cnt < n) {
            pair<ll,ll> p = getMinMax(lo, hi);
            if(p.f == p.s) cnt++;
            else cnt += 2;
            nums.pb(p.f);
            if(p.f != p.s) nums.pb(p.s);
            lo = p.f+1;
            hi = p.s-1;
        }
        sort(all(nums));
        ll res = 0;
        M00(i, n-1) {
            res = max(res, nums[i+1] - nums[i]);
        }
        return res;
    } else {
        pair<ll,ll> p = getMinMax(0, 1e18);
        ll small = p.f;
        ll big = p.s;
        ll cnt = big-small;
        if(cnt < n) return 1;
        ll blockcnt = n;
        ll a = cnt/n;
        ll b = a+1;
        ll bcnt = cnt - a*n;
        ll acnt = blockcnt - bcnt;

        vector<pair<ll,ll>> blocks(blockcnt);
        ll cur = small+1;
        int numAs = 0;
        M00(i, blockcnt) {
            if(numAs < acnt) {
                blocks[i] = mp(cur, cur+a-1);
                cur += a;
                numAs++;
            } else {
                blocks[i] = mp(cur, cur+b-1);
                cur += b;
            }
        }
        vector<pair<ll,ll>> answers(blockcnt);
        M00(i, blockcnt) answers[i] = getMinMax(blocks[i].f, blocks[i].s);
        ll res = 0;
        ll last = small;
        M00(i, blockcnt) {
            if(answers[i].f != -1) {
                res = max(res, answers[i].f - last);
                last = answers[i].s;
            }
        }
        return res;
    }
}

/*bool test(vector<ll> v) {
    vals = v;
    ll ans = 0;
    M00(i, sz(v)-1) {
        ans = max(ans, v[i+1]-v[i]);
    }
    m1 = 0;
    ll ans1 = findGap(1, sz(v));
    if(2*m1 > sz(v)+1 || ans1 != ans) return 0;
    m2 = 0;
    ll ans2 = findGap(2, sz(v));
    if(m2 > 3*sz(v) || ans2 != ans) return 0;
    return 1;
}

int main() { FAST
    vector<ll> v; v.pb(6); v.pb(7); v.pb(9);
    cout << test(v) << "\n";
    M00(i, 100) {
        int n = (rand()%10)+2;
        set<ll> s;
        M00(j, n) s.insert(rand()%10);
        vector<ll> v;
        for(ll x: s) v.pb(x);
        for(int x: v) cout << x << " ";
        cout << "\n";
        if(test(v)) cout << "OK\n";
        else cout << "NO\n";
    }
}
*/

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 404 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 18 ms 896 KB Output is correct
17 Correct 21 ms 992 KB Output is correct
18 Correct 22 ms 888 KB Output is correct
19 Correct 18 ms 896 KB Output is correct
20 Correct 14 ms 896 KB Output is correct
21 Correct 64 ms 2288 KB Output is correct
22 Correct 62 ms 2288 KB Output is correct
23 Correct 66 ms 2272 KB Output is correct
24 Correct 69 ms 2264 KB Output is correct
25 Correct 55 ms 2276 KB Output is correct
26 Correct 58 ms 2292 KB Output is correct
27 Correct 59 ms 2276 KB Output is correct
28 Correct 69 ms 2224 KB Output is correct
29 Correct 65 ms 2300 KB Output is correct
30 Correct 46 ms 2288 KB Output is correct
31 Correct 4 ms 384 KB Output is correct
32 Correct 4 ms 384 KB Output is correct

Subtask #2
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 432 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 20 ms 1408 KB Output is correct
17 Correct 20 ms 1332 KB Output is correct
18 Correct 24 ms 1408 KB Output is correct
19 Correct 21 ms 1408 KB Output is correct
20 Correct 16 ms 1280 KB Output is correct
21 Correct 70 ms 4216 KB Output is correct
22 Correct 70 ms 4216 KB Output is correct
23 Correct 71 ms 4216 KB Output is correct
24 Correct 70 ms 4216 KB Output is correct
25 Correct 65 ms 4216 KB Output is correct
26 Correct 76 ms 4344 KB Output is correct
27 Correct 71 ms 4192 KB Output is correct
28 Correct 70 ms 4216 KB Output is correct
29 Correct 70 ms 4272 KB Output is correct
30 Correct 40 ms 4216 KB Output is correct
31 Correct 4 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct