| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 979195 |
2024-05-10T11:18:35 Z |
starchan |
Gap (APIO16_gap) |
C++17 |
|
0 ms |
0 KB |
#include<bits/stdc++.h>
#include "gap.h"
using namespace std;
#define in pair<int, int>
#define int long long
#define f first
#define s second
#define pb push_back
#define pob pop_back
#define INF (int)2e18
#define MX (int)3e5+5
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)
int findgap1(int n)
{
vector<int> a(n);
int l = 0;
int r = n-1;
int cl = 0;
int cr = 1e18;
while(l <= r)
{
int x, y;
MinMax(cl, cr, &x, &y);
cl = x+1;
cr = y-1;
a[l++] = x;
a[r--] = y;
}
int ok = 0;
for(int i = 0; i < n-1; i++)
ok = max(ok, a[i+1]-a[i]);
return ok;
}
int findgap2(int n)
{
int mn, mx;
MinMax(0, 1e18, &mn, &mx);
int d = (mx-mn)/n;
//answer is >= d.
int prev = mn; int ans = 0;
for(int t = mn+1; t < mx; t+=d)
{
int x, y;
Minmax(t, t+d-1, &x, &y);
if(x != -1)
{
ans = max(ans, x-prev);
prev = y;
}
}
return ans;
}
//dummy real function
int findGap(signed T, signed n)
{
int t = T;
int N = n;
if(t == 1)
return findgap1(n);
else
return findgap2(n);
}s
Compilation message
gap.cpp: In function 'long long int findgap2(long long int)':
gap.cpp:47:3: error: 'Minmax' was not declared in this scope; did you mean 'MinMax'?
47 | Minmax(t, t+d-1, &x, &y);
| ^~~~~~
| MinMax
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:61:6: warning: unused variable 'N' [-Wunused-variable]
61 | int N = n;
| ^
gap.cpp: At global scope:
gap.cpp:7:11: error: 'second' does not name a type
7 | #define s second
| ^~~~~~
gap.cpp:66:2: note: in expansion of macro 's'
66 | }s
| ^
