Submission #1050223

#TimeUsernameProblemLanguageResultExecution timeMemory
1050223MrAndriaGap (APIO16_gap)C++14
30 / 100
30 ms3448 KiB
#include <bits/stdc++.h>
#include <stdio.h>
#include <stdlib.h>

#include "gap.h"

// static void my_assert(int k){ if (!k) exit(1); }

// static int subtask_num, N;
// static long long A[100001];
// static long long call_count;
using namespace std;
#define ff first;
#define ss second
#define pb push_back
//#define int long long
long long a[200005],tl,tr,l,r,mx;





// void MinMax(long long s, long long t, long long *mn, long long *mx)
// {
// 	int lo = 1, hi = N, left = N+1, right = 0;
// 	my_assert(s <= t && mn != NULL && mx != NULL);
// 	while (lo <= hi){
// 		int mid = (lo+hi)>>1;
// 		if (A[mid] >= s) hi = mid - 1, left = mid;
// 		else lo = mid + 1;
// 	}
// 	lo = 1, hi = N;
// 	while (lo <= hi){
// 		int mid = (lo+hi)>>1;
// 		if (A[mid] <= t) lo = mid + 1, right = mid;
// 		else hi = mid - 1;
// 	}
// 	if (left > right) *mn = *mx = -1;
// 	else{
// 		*mn = A[left];
// 		*mx = A[right];
// 	}
// 	if (subtask_num == 1) call_count++;
// 	else if (subtask_num == 2) call_count += right-left+2;
// }
long long findGap(int sub,int n){
    mx=0;
    l=1;
    r=n;
    tl=0;
    tr=1e18;
    while(l<=r){
        MinMax(tl,tr,&a[l],&a[r]);
        tl=a[l]+1;
        tr=a[r]-1;
        l++;
        r--;
    }
    for(int i=2;i<=n;i++){
        mx=max(mx,a[i]-a[i-1]);
    }
    return mx;
}
// int main()
// {
//     cin>>N;
// 	for (int i=1;i<=N;i++) cin>>A[i];
// 	printf("%lld\n", findGap(subtask_num, N));
// 	printf("%lld\n", call_count);
// }
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