Submission #950122

# Submission time Handle Problem Language Result Execution time Memory
950122 2024-03-20T05:34:12 Z quanlt206 Gap (APIO16_gap) C++17
30 / 100
41 ms 10272 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) {
        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 0 ms 344 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 0 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 9 ms 3312 KB Output is correct
18 Correct 9 ms 3556 KB Output is correct
19 Correct 7 ms 3308 KB Output is correct
20 Correct 8 ms 3296 KB Output is correct
21 Correct 30 ms 6592 KB Output is correct
22 Correct 29 ms 6516 KB Output is correct
23 Correct 30 ms 6520 KB Output is correct
24 Correct 30 ms 6512 KB Output is correct
25 Correct 26 ms 6576 KB Output is correct
26 Correct 38 ms 6496 KB Output is correct
27 Correct 29 ms 6516 KB Output is correct
28 Correct 29 ms 6524 KB Output is correct
29 Correct 32 ms 6468 KB Output is correct
30 Correct 36 ms 6508 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 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 Partially correct 0 ms 2392 KB Partially 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 0 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 Partially correct 1 ms 2392 KB Partially correct
16 Correct 6 ms 2792 KB Output is correct
17 Correct 5 ms 2544 KB Output is correct
18 Correct 5 ms 2536 KB Output is correct
19 Correct 5 ms 2536 KB Output is correct
20 Incorrect 4 ms 3300 KB Output isn't correct
21 Correct 16 ms 3448 KB Output is correct
22 Correct 17 ms 3388 KB Output is correct
23 Correct 18 ms 3416 KB Output is correct
24 Correct 17 ms 3452 KB Output is correct
25 Partially correct 41 ms 10272 KB Partially correct
26 Correct 17 ms 3452 KB Output is correct
27 Correct 17 ms 3444 KB Output is correct
28 Correct 17 ms 3456 KB Output is correct
29 Correct 17 ms 3452 KB Output is correct
30 Incorrect 16 ms 5496 KB Output isn't correct
31 Correct 0 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct