Submission #304797

#	Time	Username	Problem	Language	Result	Execution time	Memory
304797		rocks03	Gap (APIO16_gap)	C++14	0 / 100	3076 ms	2168 KiB

gap

#include<bits/stdc++.h>
#define ll long long
#define SZ(x) ((int) (x).size())
using namespace std;

void MinMax(long long s, long long t, long long *mn, long long *mx);

long long findGap(int T, int N){
    ll arr[N];
    set<ll> s;
    for(int i = 0; i < N; i++){
        ll l = 0, r = 1e18, mn, mx;
        if(i > 0)
            l = arr[i-1] + 1;
        if(SZ(s))
            r = *s.begin();
        while(r - l > 1){
            ll m = (l + r) / 2;
            MinMax(l, m, &mn, &mx);
            if(mn == -1){
                l = m;
            } else{
                s.insert(mn);
                s.insert(mx);
                r = mx;
            }
        }
        arr[i] = *s.begin();
        s.erase(s.find(arr[i]));
    }
    ll ans = 0;
    for(int i = 1; i < N; i++){
        ans = max(ans, arr[i] - arr[i-1]);
    }
    return ans;
}

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