Submission #906000

#	Time	Username	Problem	Language	Result	Execution time	Memory
906000		starchan	Gap (APIO16_gap)	C++17	Compilation error	0 ms	0 KiB

gap

#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)
	{
		MinMax(cl, cr, a[l], a[r]);
		cl = a[l++]+1;
		cr = a[r--]-1;
	}
	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)
{
	return 0;	
}

//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); 	 
}

Compilation message (stderr)

gap.cpp: In function 'long long int findgap1(long long int)':
gap.cpp:24:28: error: invalid conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'long long int*' [-fpermissive]
   24 |   MinMax(cl, cr, a[l], a[r]);
      |                            ^
      |                            |
      |                            __gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type {aka long long int}
In file included from gap.cpp:2:
gap.h:1:35: note:   initializing argument 3 of 'void MinMax(long long int, long long int, long long int*, long long int*)'
    1 | void MinMax(long long, long long, long long*, long long*);
      |                                   ^~~~~~~~~~
gap.cpp:24:28: error: invalid conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'long long int*' [-fpermissive]
   24 |   MinMax(cl, cr, a[l], a[r]);
      |                            ^
      |                            |
      |                            __gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type {aka long long int}
In file included from gap.cpp:2:
gap.h:1:47: note:   initializing argument 4 of 'void MinMax(long long int, long long int, long long int*, long long int*)'
    1 | void MinMax(long long, long long, long long*, long long*);
      |                                               ^~~~~~~~~~
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:43:6: warning: unused variable 'N' [-Wunused-variable]
   43 |  int N = n;
      |      ^