# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
560972 |
2022-05-12T06:28:44 Z |
Huy |
Gap (APIO16_gap) |
C++17 |
|
0 ms |
0 KB |
#include "gap.h"
//#include<bits/stdc++.h>
#define int long long
#define pii pair<int,int>
#define fi first
#define se second
/*#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")*/
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ldb = long double;
const int N = (int)5e5;
const int maxN = (int)5e5 + 5;
const int mod = 1e9 + 7;
//const int mod = 998244353;
const ll infty = 1e18;
const ll logn = 18;
const int base = 311;
const int Block_size = 500;
const int ep = 'a';
int cu[] = {0,0,1,-1};
int cv[] = {-1,1,0,0};
int du[] = {-1,-1,+1,1};
int dv[] = {-1,+1,-1,1};
int cled[] = {6,2,5,5,4,5,6,3,7,6};
void InputFile()
{
freopen(".inp","r",stdin);
freopen(".out","w",stdout);
//freopen("test.out","r",stdin);
}
void FastInput()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
}
/*void MinMax(int L,int R,int x,int y)
{
return;
}*/
ll findGap(int T, int n)
{
if(T == 1)
{
ll a[maxN];
ll L = 0;
ll R = infty;
for(int i = 1;i <= (n + 1)/2;i++)
{
MinMax(L,R,&a[i],&a[n+1-i]);
L = a[i+1];
R = a[n+i-1]-1;
}
ll res = 0;
for(int i = 2;i <= n;i++)
{
res = max(res,a[i]-a[i-1]);
}
return res;
}
ll res = 0;
ll mini,maxi;
MinMax(0,infty, &mini, &maxi);
ll pre = mini;
ll h = (maxi - mini + n - 2) / (n - 1);
ll now = mini + 1;
while(true)
{
ll p, q;
MinMax(now, now + h - 1, &p, &q);
res = max(res, p - pre);
pre = max(pre, q);
now += h;
if(q == maxi) break;
}
return res;
}
/*void Read()
{
}
void Solve()
{
}
void Debug()
{
//Main_sub();
//Naive();
}
signed main()
{
FastInput();
//InputFile();
//int sub_type;
//cin >> sub_type;
//Sieve();
int test;
//cin >> test;
test = 1;
while(test--)
//for(int prc = 1; prc <= test; prc++)
{
Read();
Solve();
//Debug();
}
}*/
Compilation message
gap.cpp: In function 'void InputFile()':
gap.cpp:36:24: error: 'stdin' was not declared in this scope
36 | freopen(".inp","r",stdin);
| ^~~~~
gap.cpp:2:1: note: 'stdin' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
1 | #include "gap.h"
+++ |+#include <cstdio>
2 | //#include<bits/stdc++.h>
gap.cpp:36:5: error: 'freopen' was not declared in this scope
36 | freopen(".inp","r",stdin);
| ^~~~~~~
gap.cpp:37:24: error: 'stdout' was not declared in this scope
37 | freopen(".out","w",stdout);
| ^~~~~~
gap.cpp:37:24: note: 'stdout' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
gap.cpp: In function 'void FastInput()':
gap.cpp:43:5: error: 'ios_base' has not been declared
43 | ios_base::sync_with_stdio(false);
| ^~~~~~~~
gap.cpp:44:5: error: 'cin' was not declared in this scope
44 | cin.tie(nullptr);
| ^~~
gap.cpp:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
1 | #include "gap.h"
+++ |+#include <iostream>
2 | //#include<bits/stdc++.h>
gap.cpp: In function 'll findGap(long long int, long long int)':
gap.cpp:68:19: error: 'max' was not declared in this scope; did you mean 'maxN'?
68 | res = max(res,a[i]-a[i-1]);
| ^~~
| maxN
gap.cpp:82:15: error: 'max' was not declared in this scope; did you mean 'maxi'?
82 | res = max(res, p - pre);
| ^~~
| maxi