Submission #952505

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
952505	2024-03-24T07:18:34 Z	n3rm1n	Gap (APIO16_gap)	C++17	Compilation error	0 ms	0 KB

gap

#include<bits/stdc++.h>
#include "gap.h"

using namespace std;
const long long MAXN = 2e5 + 10;
long long a[MAXN];
long long findGap(int T, int N)
{
    if(T == 1)
    {
        long long s = 0, t = (long long)(1e18);
        long long mn, mx;
        long long n = N;
        long long filled0 = 0, filled1 = n+1;

        while(filled0 + 1 <= filled1 - 1)
        {

            MinMax(s, t, &mn, &mx);

            if(mn == mx)
            {
                filled0 ++;
                a[filled0] = mn;
                n --;
                break;
            }
            filled0 ++;
            filled1 --;
            n-= 2;
            a[filled0] = mn;
            a[filled1] = mx;

            s = mn + 1;
            t = mx - 1;
        }
        long long ans = -1;
        for (long long i = 2; i <= N; ++ i)
            ans = max(ans, (long long) (a[i] - a[i-1]));
        return ans;
    }
    long long n = N;
    long long s = 0, t = (long long)(1e18);
    long long mn, mx;
    long long range_l = 0, range_r;
    long long l;
    MinMax(s, t, &mn, &mx);
    range_l = mn;
    range_r = mx;
    l = range_r - range_l + 1;
    long long x = l/n

    long long last = range_l, cache = 0;
    long long st = last;
    long long ans = 0;
    while(last < range_r)
    {

        s = last + 1;
        t = last + x + 1;
        MinMax(s, t, &mn, &mx);

        if(mx != -1 && mn > last && (mn >= s && mn <= t) && (mx >= s && mx <= t))
        {
            ans = max(ans, mn - st);
            last = mx;
            st = last;
        }
        else
        {
            cache += x;
            last = last + x;
        }
    }
    return ans;
}
/**
2 5
2 3 7 17 19
*/

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:53:5: error: expected ',' or ';' before 'long'
   53 |     long long last = range_l, cache = 0;
      |     ^~~~
gap.cpp:54:20: error: 'last' was not declared in this scope; did you mean 'st'?
   54 |     long long st = last;
      |                    ^~~~
      |                    st
gap.cpp:71:13: error: 'cache' was not declared in this scope
   71 |             cache += x;
      |             ^~~~~