Submission #321103

#	Time	Username	Problem	Language	Result	Execution time	Memory
321103		MetB	Gap (APIO16_gap)	C++14	60.00 / 100	75 ms	1276 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>

typedef long long ll;
typedef long double ld;

using namespace std;

ll findGap(int T, int N) {

	ll mn, mx;

	MinMax (1, 1e18, &mn, &mx);

	ll s = mn, e = mx;

	ld d = (ld) (mx - mn - 2) / N;

	ld l = mn + 1, r = mn + 1 + d;
	ll gap = 0, mx_old = mn;

	for (int i = 0; i < N - 1; i++) {
		ll il = ceil (l - 1e-7) + (ceil (l + 1e-7) == mx_old), ir = floor (r + 1e-7);
		//cout << il << ' ' << ir << endl;
		MinMax(il, ir, &mn, &mx);
		//cout << ' ' << mn << ' ' << mx << endl;
		if (mn != -1) {
			gap = max (gap, mn - mx_old);
			mx_old = mx;
		}
		l += d, r += d;
	}
	
	ll il = ceil (l - 1e-7) + (ceil (l + 1e-7) == mx_old), ir = floor (r + 1e-7);
	//cout << il << ' ' << ir << endl;

	MinMax(il, ir, &mn, &mx);
	//cout << ' ' << mn << ' ' << mx << endl;

	if (mn != -1) {
		gap = max (gap, mn - mx_old);
		mx_old = mx;
	}

	gap = max (gap, e - mx_old);

	return gap;
}

Compilation message (stderr)

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:15:5: warning: unused variable 's' [-Wunused-variable]
   15 |  ll s = mn, e = mx;
      |     ^

• Subtask 1: 0 / 30
• Subtask 2: 59.9997000019 / 70