Submission #40156

# Submission time Handle Problem Language Result Execution time Memory
40156 2018-01-28T16:48:12 Z SpaimaCarpatilor Gap (APIO16_gap) C++14
46.0014 / 100
100 ms 5928 KB
#include "gap.h"
#include<bits/stdc++.h>

using namespace std;

long long x[100009];
const long long xmax = 1e18;

long long rand15 () {return rand () & 32767;}
long long rand30 () {return (rand15 () << 15LL) | rand15 ();}
long long rand60 () {return (rand30 () << 30LL) | rand30 ();}

long long overallAns = 0;
void U (long long val)
{
    if (val > overallAns)
        overallAns = val;
}

void divide (long long bf, long long a, long long b, long long af)
{
    if (a > b) return ;
    if (a == b)
    {
        long long x, y;
        MinMax (a, b, &x, &y);
        if (x == -1)
        {
            if (af != -1) U (af - bf);
        }
        else
        if (af != -1)
            U (af - x), U (x - bf);
        return ;
    }
    long long mid = a + rand60 () % (b - a);
    long long x, y, z, t;
    MinMax (a, mid, &x, &y);
    MinMax (mid + 1, b, &z, &t);
    if (x == -1)
    {
        if (bf != -1)
        {
            if (z != -1) U (z - bf);
            else U (af - bf);
        }
    }
    else
    {
        if (bf != -1) U (x - bf);
        if (x != y)
            divide (x, x + 1, y - 1, y);
    }
    if (z == -1)
    {
        if (y != -1)
            U (af - y);
    }
    else
    {
        if (x != -1)
            U (z - y);
        if (z != t)
            divide (z, z + 1, t - 1, t);
        if (af != -1)
            U (af - t);
    }
}

long long findGap(int T, int N)
{
    srand (time (0));
    if (T == 1)
    {
        long long a = 0, b = xmax;
        for (int i = 1, j = N; i<=j; i ++, j --)
            MinMax (a, b, &x[i], &x[j]), a = x[i] + 1, b = x[j] - 1;
        long long ans = x[2] - x[1];
        for (int i=1; i<N; i++)
            if (x[i + 1] - x[i] > ans)
                ans = x[i + 1] - x[i];
        return ans;
    }
    divide (-1, 0, xmax, -1);
	return overallAns;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5928 KB Output is correct
2 Correct 0 ms 5928 KB Output is correct
3 Correct 0 ms 5928 KB Output is correct
4 Correct 0 ms 5928 KB Output is correct
5 Correct 0 ms 5928 KB Output is correct
6 Correct 0 ms 5928 KB Output is correct
7 Correct 0 ms 5928 KB Output is correct
8 Correct 0 ms 5928 KB Output is correct
9 Correct 0 ms 5928 KB Output is correct
10 Correct 0 ms 5928 KB Output is correct
11 Correct 1 ms 5928 KB Output is correct
12 Correct 1 ms 5928 KB Output is correct
13 Correct 1 ms 5928 KB Output is correct
14 Correct 1 ms 5928 KB Output is correct
15 Correct 1 ms 5928 KB Output is correct
16 Correct 15 ms 5928 KB Output is correct
17 Correct 21 ms 5928 KB Output is correct
18 Correct 15 ms 5928 KB Output is correct
19 Correct 15 ms 5928 KB Output is correct
20 Correct 8 ms 5928 KB Output is correct
21 Correct 53 ms 5928 KB Output is correct
22 Correct 51 ms 5928 KB Output is correct
23 Correct 58 ms 5928 KB Output is correct
24 Correct 59 ms 5928 KB Output is correct
25 Correct 44 ms 5928 KB Output is correct
26 Correct 55 ms 5928 KB Output is correct
27 Correct 55 ms 5928 KB Output is correct
28 Correct 54 ms 5928 KB Output is correct
29 Correct 51 ms 5928 KB Output is correct
30 Correct 35 ms 5928 KB Output is correct
31 Correct 0 ms 5928 KB Output is correct
32 Correct 0 ms 5928 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5928 KB Output is correct
2 Partially correct 0 ms 5928 KB Partially correct
3 Partially correct 0 ms 5928 KB Partially correct
4 Partially correct 0 ms 5928 KB Partially correct
5 Partially correct 0 ms 5928 KB Partially correct
6 Partially correct 0 ms 5928 KB Partially correct
7 Partially correct 0 ms 5928 KB Partially correct
8 Partially correct 0 ms 5928 KB Partially correct
9 Partially correct 0 ms 5928 KB Partially correct
10 Partially correct 0 ms 5928 KB Partially correct
11 Partially correct 1 ms 5928 KB Partially correct
12 Partially correct 0 ms 5928 KB Partially correct
13 Partially correct 2 ms 5928 KB Partially correct
14 Partially correct 0 ms 5928 KB Partially correct
15 Partially correct 0 ms 5928 KB Partially correct
16 Partially correct 21 ms 5928 KB Partially correct
17 Partially correct 24 ms 5928 KB Partially correct
18 Partially correct 19 ms 5928 KB Partially correct
19 Partially correct 13 ms 5928 KB Partially correct
20 Partially correct 12 ms 5928 KB Partially correct
21 Partially correct 79 ms 5928 KB Partially correct
22 Partially correct 73 ms 5928 KB Partially correct
23 Partially correct 69 ms 5928 KB Partially correct
24 Partially correct 92 ms 5928 KB Partially correct
25 Partially correct 67 ms 5928 KB Partially correct
26 Partially correct 75 ms 5928 KB Partially correct
27 Partially correct 100 ms 5928 KB Partially correct
28 Partially correct 71 ms 5928 KB Partially correct
29 Partially correct 71 ms 5928 KB Partially correct
30 Partially correct 42 ms 5928 KB Partially correct
31 Partially correct 0 ms 5928 KB Partially correct
32 Partially correct 0 ms 5928 KB Partially correct