Submission #655009

#	Time	Username	Problem	Language	Result	Execution time	Memory
655009		ssense	Gap (APIO16_gap)	C++14	0 / 100	41 ms	1876 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
#define startt ios_base::sync_with_stdio(false);cin.tie(0);
typedef long long  ll;
using namespace std;
#define vint vector<int>
#define all(v) v.begin(), v.end()
#define MOD 1000000007
#define MOD2 998244353
#define MX 1000000000
#define MXL 1000000000000000000
#define PI (ld)2*acos(0.0)
#define pb push_back
#define sc second
#define fr first
//#define int long long
#define endl '\n'
#define ld long double
#define NO cout << "NO" << endl
#define YES cout << "YES" << endl

long long findGap(int T, int N)
{
    long long mn, mx;
    long long ask1 = 0, ask2 = 1e18;
    vector<long long> a(N);
    for(int i = 0; i < N; i++)
    {
        a[i] = -1;
    }
    long long nowi = 0, nowi2 = N-1;
    while(true)
    {
        if(ask1 > ask2)
        {
            break;
        }
        MinMax(ask1, ask2, &mn, &mx);
        if(mn == -1 && mx == -1)
        {
            break;
        }
        if(mn == mx)
        {
            a[nowi] = mn;
            break;
        }
        a[nowi] = mn;
        nowi++;
        a[nowi2] = mx;
        nowi2--;
        ask1 = mn+1;
        ask2 = mx-1;
    }
    long long ans = 0;
    for(int i = 0; i < N-1; i++)
    {
        assert(a[i] != -1);
        ans = max(ans, a[i+1]-a[i]);
    }
    return ans;
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70