답안 #377852

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
377852 2021-03-15T10:56:04 Z blue Gap (APIO16_gap) C++17
100 / 100
76 ms 2852 KB
#include "gap.h"
#include <algorithm>
#include <cmath>
using namespace std;
 
long long findGap(int T, int N)
{
    long long res = 0;
 
    if(T == 1)
    {
        long long s, t;
        long long mn;
        long long mx;
 
        s = 0;
        t = 1000'000'000'000'000'000LL;
 
        if(N % 2 == 0)
        {
            MinMax(s, t, &mn, &mx);
            s = mn + 1;
            t = mx - 1;
            for(int i = 2; i <= N/2; i++)
            {
                MinMax(s, t, &mn, &mx);
                res = max(res, mn - (s-1));
                res = max(res, (t+1) - mx);
 
                s = mn + 1;
                t = mx - 1;
            }
            res = max(res, mx - mn);
        }
        else
        {
            MinMax(s, t, &mn, &mx);
            s = mn + 1;
            t = mx - 1;
            for(int i = 2; i <= (N+1)/2; i++)
            {
                MinMax(s, t, &mn, &mx);
                res = max(res, mn - (s-1));
                res = max(res, (t+1) - mx);
 
                s = mn + 1;
                t = mx - 1;
            }
        }
    }
    else if(T == 2)
    {
        long long s, t;
        long long mn, mx;
 
        s = 0;
        t = 1'000'000'000'000'000'000LL;
 
        MinMax(s, t, &mn, &mx); //M += N+1
 
        long long a1 = mn, aN = mx;
        long long gap = (aN-a1)/(N-1) + ((aN-a1) % (N-1) != 0);
 
        vector<long long> L, R;
L.push_back(a1);
R.push_back(a1);
for(long long x = a1+1; x < aN; x += gap)
{
    MinMax(x, std::min(x+gap-1, aN-1), &mn, &mx);
    if (mn != -1)
    {
        L.push_back(mn);
        R.push_back(mx);
    }
}
L.push_back(aN);
R.push_back(aN);

for(int i = 0; i < L.size()-1; i++)
{
    res = max(res, L[i+1] - R[i]);
}

    }
 
    return res;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:79:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 | for(int i = 0; i < L.size()-1; i++)
      |                ~~^~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 11 ms 492 KB Output is correct
17 Correct 14 ms 492 KB Output is correct
18 Correct 11 ms 492 KB Output is correct
19 Correct 11 ms 492 KB Output is correct
20 Correct 9 ms 492 KB Output is correct
21 Correct 44 ms 1140 KB Output is correct
22 Correct 43 ms 1068 KB Output is correct
23 Correct 51 ms 1260 KB Output is correct
24 Correct 46 ms 1164 KB Output is correct
25 Correct 39 ms 1132 KB Output is correct
26 Correct 46 ms 1080 KB Output is correct
27 Correct 44 ms 1132 KB Output is correct
28 Correct 44 ms 1132 KB Output is correct
29 Correct 47 ms 1292 KB Output is correct
30 Correct 47 ms 1132 KB Output is correct
31 Correct 0 ms 364 KB Output is correct
32 Correct 0 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 17 ms 876 KB Output is correct
17 Correct 15 ms 876 KB Output is correct
18 Correct 16 ms 876 KB Output is correct
19 Correct 18 ms 876 KB Output is correct
20 Correct 7 ms 492 KB Output is correct
21 Correct 67 ms 2348 KB Output is correct
22 Correct 61 ms 2256 KB Output is correct
23 Correct 62 ms 2192 KB Output is correct
24 Correct 73 ms 2340 KB Output is correct
25 Correct 60 ms 2852 KB Output is correct
26 Correct 65 ms 2192 KB Output is correct
27 Correct 62 ms 2192 KB Output is correct
28 Correct 69 ms 2192 KB Output is correct
29 Correct 76 ms 2192 KB Output is correct
30 Correct 33 ms 1516 KB Output is correct
31 Correct 0 ms 364 KB Output is correct
32 Correct 0 ms 364 KB Output is correct