Submission #1091024

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091024		Nurislam	Gap (APIO16_gap)	C++17	0 / 100	37 ms	1752 KiB

gap

#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#include "gap.h"
//#define int long long

template <class F, class _S>
bool chmin(F &u, const _S &v){
	bool flag = false;
	if ( u > v ){
		u = v; flag |= true;
	}
	return flag;
}

template <class F, class _S>
bool chmax(F &u, const _S &v){
	bool flag = false;
	if ( u < v ){
		u = v; flag |= true;
	}
	return flag;
}

int solve1(int t, int n){
	long long l = 0, r = 1e18;
	vector<int> a, b;
	long long lf = 1, rf = 1;
	
	while(1){
		MinMax(l, r, &lf, &rf);
		if(lf == -1)break;
		a.pb(lf);
		b.pb(rf);
		l = lf+1, r = rf-1;
		if(lf == rf || a.size()*2 >= n)break;
	}
	
	int ans = 1;
	reverse(all(b));
	int last = a[0];
	for(int i:a)chmax(ans, i - last), last = i;
	for(int i:b)chmax(ans, i - last), last = i;
	
	return ans;

}

long long findGap(int t, int n)
{
	//if(t == 1){
		return solve1(t, n);
	//}
	return 0;
}

Compilation message (stderr)

gap.cpp: In function 'int solve1(int, int)':
gap.cpp:42:29: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   42 |   if(lf == rf || a.size()*2 >= n)break;
      |                  ~~~~~~~~~~~^~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70