Submission #950134

# Submission time Handle Problem Language Result Execution time Memory
950134 2024-03-20T05:44:24 Z quanlt206 Gap (APIO16_gap) C++17
100 / 100
48 ms 10456 KB
#include "gap.h"
#include<bits/stdc++.h>
#define X first
#define Y second
#define all(x) begin(x), end(x)
#define FOR(i, a, b) for(int i = (a); i <= (b); i++)
#define FORD(i, b, a) for(int i = (b); i >= (a); i--)
#define REP(i, a, b) for (int i = (a); i < (b); i++)
#define mxx max_element
#define mnn min_element
#define SQR(x) (1LL * (x) * (x))
#define MASK(i) (1LL << (i))
#define Point Vector
#define left Left
#define right Right
#define div Div
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ld;
typedef pair<db, db> pdb;
typedef pair<ld, ld> pld;
typedef pair<int, int> pii;
typedef pair<int, pii> piii;
typedef pair<ll, ll> pll;
typedef pair<ll, pll> plll;
typedef pair<ll, int> pli;
typedef pair<ll, pii> plii;
 
template<class A, class B>
    bool maximize(A& x, B y) {
        if (x < y) return x = y, true; else return false;
    }
template<class A, class B>
    bool minimize(A& x, B y) {
        if (x > y) return x = y, true; else return false;
    }
/* END OF TEMPLATE */
 
const int N = 1e5 + 7;
 
ll a[N], b[N];
int n;
int cntQuery = 0;
 
ll sub1(int n) {
    int l = 1, r = n;
    ll s = 0, t = 1e18;
    while (l <= r) {
        ll* mn = new ll();
        ll* mx = new ll();
        MinMax(s, t, mn, mx);
        a[l] = *mn;
        a[r] = *mx;
        l++;
        r--;
        s = *mn + 1;
        t = *mx - 1;
    }
    ll res = 0;
    REP(i, 1, n) maximize(res, a[i + 1] - a[i]);
    return res;
}
 
ll findGap(int T, int n) {
    if (T == 1 || n <= 7) return sub1(n);
    a[0] = -1;
    ll res = 0;
    int i = 1;
    ll* mn = new ll();
    ll* mx = new ll();
    MinMax(0, 1e18, mn, mx);
    ll Max = *mx, Min = *mn;
    res = (Max - Min) / (n - 1);
    if (1LL * res * (n - 1) < Max - Min) res++;
    vector<pll> A;
    for (ll i = Min; i <= Max; i+=res) {
        if (i == Max) {
            A.push_back({Max, Max});
            break;
        }
        ll* mn = new ll();
        ll* mx = new ll();
        MinMax(i, i + res - 1, mn, mx);
//        if (!A.empty() && *mn != -1) maximize(res, *mn - A.back().Y);
        if (*mn != -1) A.push_back({*mn, *mx});
    }
    REP(i, 1, (int)A.size()) maximize(res, A[i].X - A[i - 1].Y);
    return res;
}

Compilation message

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:72:9: warning: unused variable 'i' [-Wunused-variable]
   72 |     int i = 1;
      |         ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 2400 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 8 ms 3304 KB Output is correct
17 Correct 8 ms 3472 KB Output is correct
18 Correct 12 ms 3308 KB Output is correct
19 Correct 8 ms 3308 KB Output is correct
20 Correct 6 ms 3304 KB Output is correct
21 Correct 29 ms 6488 KB Output is correct
22 Correct 29 ms 6372 KB Output is correct
23 Correct 29 ms 6524 KB Output is correct
24 Correct 31 ms 6516 KB Output is correct
25 Correct 30 ms 6516 KB Output is correct
26 Correct 30 ms 6520 KB Output is correct
27 Correct 30 ms 6528 KB Output is correct
28 Correct 30 ms 6516 KB Output is correct
29 Correct 29 ms 6688 KB Output is correct
30 Correct 25 ms 6764 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2644 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 0 ms 2392 KB Output is correct
11 Correct 2 ms 2392 KB Output is correct
12 Correct 2 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 11 ms 4332 KB Output is correct
17 Correct 11 ms 4372 KB Output is correct
18 Correct 11 ms 4200 KB Output is correct
19 Correct 12 ms 4236 KB Output is correct
20 Correct 6 ms 4076 KB Output is correct
21 Correct 44 ms 9704 KB Output is correct
22 Correct 48 ms 9920 KB Output is correct
23 Correct 43 ms 9844 KB Output is correct
24 Correct 44 ms 9788 KB Output is correct
25 Correct 43 ms 10456 KB Output is correct
26 Correct 43 ms 9708 KB Output is correct
27 Correct 43 ms 9708 KB Output is correct
28 Correct 47 ms 9956 KB Output is correct
29 Correct 44 ms 9688 KB Output is correct
30 Correct 26 ms 8816 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct