Submission #1084857

#	Time	Username	Problem	Language	Result	Execution time	Memory
1084857		Timosh	Gap (APIO16_gap)	C++17	30 / 100	37 ms	2168 KiB

gap

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

long long findGap(int T, int N)
{
	long long l = 0, r = 1e18;
	vector<long long> a, b;
	long long mn = 1, mx = 1;
	while (1)
	{
		MinMax(l, r, &mn, &mx);
		if (mn == -1)
			break;
		a.push_back(mn);
		b.push_back(mx);
		l = mn + 1, r = mx - 1;
		if (mn == mx || a.size() * 2 >= N)
			break;
	}
	long long ans = 1;
	reverse(b.begin(), b.end());
	long long last = a[0];
	for (auto &i : a)
		ans = max(ans, i - last), last = i;
	for (auto &i : b)
		ans = max(ans, i - last), last = i;
	return ans;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:18:32: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |   if (mn == mx || a.size() * 2 >= N)
      |                   ~~~~~~~~~~~~~^~~~

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