| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 23582 |
2017-05-12T17:16:13 Z |
samir_droubi |
Gap (APIO16_gap) |
C++14 |
|
79 ms |
5144 KB |
#include <bits/stdc++.h>
#include "gap.h"
#define ll long long
using namespace std;
/*
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;
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 T, int n)
{
if(T==1)
{
ll l,r;
ll mn,mx;
ll ans=0;
MinMax(0,1LL*(1e18),&l,&r);
if(n==2)return r-l;
while(l+1<r-1&&n>2)
{
MinMax(l+1,r-1,&mn,&mx);
if(mx==-1)break;
ans=max(ans,mn-l);
ans=max(ans,r-mx);
l=mn;
r=mx;
n-=2;
}
return ans;
}
else
{
ll l,r;
MinMax(0,1LL*(1e18),&l,&r);
if(n==2)return r-l;
++l;
--r;
ll d=(r-l+1)/(n-1);
ll ans=d;
ll last=l;
ll mn,mx;
for(ll i=l;i<=r;i+=d)
{
MinMax(i,min(i+d-1,r),&mn,&mx);
if(mn==-1)continue;
ans=max(ans,mn-last);
last=mx;
}
ans=max(ans,r-last);
return ans;
}
}
/*
int main()
{
FILE *in = stdin, *out = stdout;
my_assert(2 == fscanf(in, "%d%d", &subtask_num, &N));
my_assert(1 <= subtask_num && subtask_num <= 2);
my_assert(2 <= N && N <= 100000);
for (int i=1;i<=N;i++) my_assert(1 == fscanf(in, "%lld", A+i));
for (int i=1;i<N;i++) my_assert(A[i] < A[i+1]);
fprintf(out, "%lld\n", findGap(subtask_num, N));
fprintf(out, "%lld\n", call_count);
}
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 2 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 3 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 4 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 5 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 6 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 7 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 8 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 9 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 10 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 11 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 12 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 13 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 14 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 15 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 16 |
Correct |
13 ms |
5144 KB |
Output is correct |
| 17 |
Correct |
9 ms |
5144 KB |
Output is correct |
| 18 |
Correct |
13 ms |
5144 KB |
Output is correct |
| 19 |
Correct |
13 ms |
5144 KB |
Output is correct |
| 20 |
Correct |
9 ms |
5144 KB |
Output is correct |
| 21 |
Correct |
56 ms |
5144 KB |
Output is correct |
| 22 |
Correct |
66 ms |
5144 KB |
Output is correct |
| 23 |
Correct |
53 ms |
5144 KB |
Output is correct |
| 24 |
Correct |
46 ms |
5144 KB |
Output is correct |
| 25 |
Correct |
43 ms |
5144 KB |
Output is correct |
| 26 |
Correct |
53 ms |
5144 KB |
Output is correct |
| 27 |
Correct |
69 ms |
5144 KB |
Output is correct |
| 28 |
Correct |
56 ms |
5144 KB |
Output is correct |
| 29 |
Correct |
66 ms |
5144 KB |
Output is correct |
| 30 |
Correct |
39 ms |
5144 KB |
Output is correct |
| 31 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 32 |
Correct |
0 ms |
5144 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 2 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 3 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 4 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 5 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 6 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 7 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 8 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 9 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 10 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 11 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 12 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 13 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 14 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 15 |
Correct |
0 ms |
5144 KB |
Output is correct |
| 16 |
Correct |
16 ms |
5144 KB |
Output is correct |
| 17 |
Correct |
26 ms |
5144 KB |
Output is correct |
| 18 |
Correct |
16 ms |
5144 KB |
Output is correct |
| 19 |
Correct |
16 ms |
5144 KB |
Output is correct |
| 20 |
Partially correct |
6 ms |
5144 KB |
Partially correct |
| 21 |
Correct |
69 ms |
5144 KB |
Output is correct |
| 22 |
Correct |
79 ms |
5144 KB |
Output is correct |
| 23 |
Correct |
66 ms |
5144 KB |
Output is correct |
| 24 |
Correct |
79 ms |
5144 KB |
Output is correct |
| 25 |
Correct |
66 ms |
5144 KB |
Output is correct |
| 26 |
Correct |
69 ms |
5144 KB |
Output is correct |
| 27 |
Correct |
69 ms |
5144 KB |
Output is correct |
| 28 |
Correct |
73 ms |
5144 KB |
Output is correct |
| 29 |
Correct |
79 ms |
5144 KB |
Output is correct |
| 30 |
Partially correct |
39 ms |
5144 KB |
Partially correct |
| 31 |
Incorrect |
0 ms |
5144 KB |
Output isn't correct |
| 32 |
Incorrect |
0 ms |
5144 KB |
Output isn't correct |
