답안 #218203

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
218203 2020-04-01T13:59:44 Z SamAnd Gap (APIO16_gap) C++17
100 / 100
82 ms 4148 KB
#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
const int N = 100005;
const long long M = 1000000000000000000;

int n;
long long a[N];

int h[N];

long long findGap(int T, int N)
{
    n = N;
    if (T == 1)
    {
        a[0] = -1;
        a[n + 1] = M + 1;
        for (int l = 1, r = n; l <= r; ++l, --r)
        {
            long long minu, maxu;
            MinMax(a[l - 1] + 1, a[r + 1] - 1, &minu, &maxu);
            a[l] = minu;
            a[r] = maxu;
        }
        long long ans = 0;
        for (int i = 1; i < n; ++i)
            ans = max(ans, a[i + 1] - a[i]);
        return ans;
    }
    long long minu, maxu;
    MinMax(0, M, &minu, &maxu);
    if (n == 2)
        return maxu - minu;
    long long d = maxu - minu - 1;
    vector<long long> v;
    for (int i = 0; i < n - 2; ++i)
        v.push_back(d / (n - 2));
    for (int i = 0; i < d % (n - 2); ++i)
        ++v[i];
    vector<pair<long long, long long> > vv;
    vv.push_back(m_p(minu, minu));
    long long u = minu;
    for (int i = 0; i < v.size(); ++i)
    {
        long long l = u + 1;
        long long r = l + v[i] - 1;
        long long minu, maxu;
        MinMax(l, r, &minu, &maxu);
        vv.push_back(m_p(minu, maxu));
        u = r;
    }
    vv.push_back(m_p(maxu, maxu));
    for (int i = n - 2; i >= 0; --i)
    {
        if (vv[i + 1].first != -1)
            h[i] = i + 1;
        else
            h[i] = h[i + 1];
    }
    long long ans = 0;
    for (int i = 0; i < n - 1; ++i)
    {
        if (vv[i].first == -1)
            continue;
        ans = max(ans, vv[h[i]].first - vv[i].second);
    }
    return ans;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:45:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v.size(); ++i)
                     ~~^~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 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 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 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 16 ms 768 KB Output is correct
17 Correct 16 ms 768 KB Output is correct
18 Correct 19 ms 768 KB Output is correct
19 Correct 16 ms 768 KB Output is correct
20 Correct 12 ms 800 KB Output is correct
21 Correct 64 ms 1912 KB Output is correct
22 Correct 63 ms 1912 KB Output is correct
23 Correct 53 ms 1912 KB Output is correct
24 Correct 52 ms 1888 KB Output is correct
25 Correct 44 ms 1916 KB Output is correct
26 Correct 52 ms 1912 KB Output is correct
27 Correct 55 ms 1912 KB Output is correct
28 Correct 54 ms 1912 KB Output is correct
29 Correct 56 ms 2040 KB Output is correct
30 Correct 38 ms 1912 KB Output is correct
31 Correct 4 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 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 4 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 4 ms 384 KB Output is correct
9 Correct 4 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 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 512 KB Output is correct
16 Correct 23 ms 1404 KB Output is correct
17 Correct 21 ms 1428 KB Output is correct
18 Correct 23 ms 1404 KB Output is correct
19 Correct 20 ms 1404 KB Output is correct
20 Correct 12 ms 1404 KB Output is correct
21 Correct 71 ms 4076 KB Output is correct
22 Correct 71 ms 4148 KB Output is correct
23 Correct 71 ms 4072 KB Output is correct
24 Correct 76 ms 4076 KB Output is correct
25 Correct 71 ms 4076 KB Output is correct
26 Correct 82 ms 4072 KB Output is correct
27 Correct 71 ms 4048 KB Output is correct
28 Correct 72 ms 4080 KB Output is correct
29 Correct 75 ms 4120 KB Output is correct
30 Correct 40 ms 4076 KB Output is correct
31 Correct 4 ms 384 KB Output is correct
32 Correct 4 ms 384 KB Output is correct