Submission #24968

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
24968	2017-06-19T12:20:37 Z	gabrielsimoes	Gap (APIO16_gap)	C++14	30 / 100	2000 ms	4900 KB

gap

#include "gap.h"
#include <cstdio>
#include <algorithm>
using namespace std;

typedef long long ll;
const ll MIN = 0, MAX = 1000000000000000000;

ll solve1(int n) {
	ll v[n+1];
	int i = 1, k = n;
	ll mn = MIN, mx = MAX;
	while (i <= k) {
		MinMax(mn, mx, v+i, v+k);
		mn = v[i++]+1;
		mx = v[k--]-1;
	}

	ll ret = 1;
	for (int i = 1; i < n; i++)
		ret = max(ret, v[i+1] - v[i]);
	return ret;
}

ll solve2(int n) {
	ll cur, lim;
	MinMax(MIN, MAX, &cur, &lim);
	ll ans = 1, test, l, r;
	while (cur < lim) {
		test = 0;
		do MinMax(cur+1+test*ans, cur+1+(test+1)*ans, &l, &r), test++;
		while (l == -1);
		ans = max(ans, l - cur);
		cur = r;
	}
	return ans;
}

ll findGap(int t, int n)
{
	return t == 1 ? solve1(n) : solve2(n);
}

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	4240 KB	Output is correct
2	Correct	0 ms	4240 KB	Output is correct
3	Correct	0 ms	4240 KB	Output is correct
4	Correct	0 ms	4240 KB	Output is correct
5	Correct	0 ms	4240 KB	Output is correct
6	Correct	0 ms	4240 KB	Output is correct
7	Correct	0 ms	4240 KB	Output is correct
8	Correct	0 ms	4240 KB	Output is correct
9	Correct	0 ms	4240 KB	Output is correct
10	Correct	0 ms	4240 KB	Output is correct
11	Correct	0 ms	4240 KB	Output is correct
12	Correct	0 ms	4240 KB	Output is correct
13	Correct	0 ms	4240 KB	Output is correct
14	Correct	0 ms	4240 KB	Output is correct
15	Correct	0 ms	4240 KB	Output is correct
16	Correct	13 ms	4312 KB	Output is correct
17	Correct	13 ms	4312 KB	Output is correct
18	Correct	9 ms	4308 KB	Output is correct
19	Correct	9 ms	4308 KB	Output is correct
20	Correct	9 ms	4308 KB	Output is correct
21	Correct	59 ms	4896 KB	Output is correct
22	Correct	49 ms	4892 KB	Output is correct
23	Correct	59 ms	4900 KB	Output is correct
24	Correct	59 ms	4892 KB	Output is correct
25	Correct	53 ms	4892 KB	Output is correct
26	Correct	53 ms	4892 KB	Output is correct
27	Correct	59 ms	4892 KB	Output is correct
28	Correct	59 ms	4892 KB	Output is correct
29	Correct	59 ms	4896 KB	Output is correct
30	Correct	39 ms	4896 KB	Output is correct
31	Correct	0 ms	4240 KB	Output is correct
32	Correct	0 ms	4240 KB	Output is correct

Subtask #2

0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2000 ms	4240 KB	Execution timed out
2	Execution timed out	2000 ms	4240 KB	Execution timed out
3	Execution timed out	2000 ms	4240 KB	Execution timed out
4	Execution timed out	2000 ms	4240 KB	Execution timed out
5	Partially correct	73 ms	4240 KB	Partially correct
6	Execution timed out	2000 ms	4240 KB	Execution timed out
7	Execution timed out	2000 ms	4240 KB	Execution timed out
8	Execution timed out	2000 ms	4240 KB	Execution timed out
9	Execution timed out	2000 ms	4240 KB	Execution timed out
10	Partially correct	39 ms	4240 KB	Partially correct
11	Execution timed out	2000 ms	4240 KB	Execution timed out
12	Execution timed out	2000 ms	4240 KB	Execution timed out
13	Execution timed out	2000 ms	4240 KB	Execution timed out
14	Execution timed out	2000 ms	4240 KB	Execution timed out
15	Partially correct	239 ms	4240 KB	Partially correct
16	Execution timed out	2000 ms	4240 KB	Execution timed out
17	Execution timed out	2000 ms	4240 KB	Execution timed out
18	Execution timed out	2000 ms	4240 KB	Execution timed out
19	Execution timed out	2000 ms	4240 KB	Execution timed out
20	Partially correct	83 ms	4240 KB	Partially correct
21	Execution timed out	2000 ms	4240 KB	Execution timed out
22	Execution timed out	2000 ms	4240 KB	Execution timed out
23	Execution timed out	2000 ms	4240 KB	Execution timed out
24	Execution timed out	2000 ms	4240 KB	Execution timed out
25	Partially correct	446 ms	4240 KB	Partially correct
26	Execution timed out	2000 ms	4240 KB	Execution timed out
27	Execution timed out	2000 ms	4240 KB	Execution timed out
28	Execution timed out	2000 ms	4240 KB	Execution timed out
29	Execution timed out	2000 ms	4240 KB	Execution timed out
30	Partially correct	126 ms	4240 KB	Partially correct
31	Partially correct	0 ms	4240 KB	Partially correct
32	Execution timed out	2000 ms	4240 KB	Execution timed out