Submission #47670

# Submission time Handle Problem Language Result Execution time Memory
47670 2018-05-06T08:18:15 Z E869120 Gap (APIO16_gap) C++14
100 / 100
91 ms 4456 KB
#include "gap.h"
#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;

long long a[100009]; int res = 0, maxn = 0;
vector<long long>Q;

long long findGap(int T, int N)
{
	if (T == 1 || N <= 8) {
		long long L = 0, R = 1000000000000000000LL, s, t, cnt = 0;

		while (cnt < (N + 1) / 2) {
			MinMax(L, R, &s, &t);
			L = s; R = t;
			if (L != -1) { a[cnt + 1] = L; a[N - cnt] = R; }
			cnt++; L++; R--;
		}
		long long maxn = 0;
		for (int i = 1; i <= N - 1; i++) maxn = max(maxn, a[i + 1] - a[i]);
		return maxn;
	}
	if (T == 2) {
		long long s, t; MinMax(0, 1000000000000000000LL, &s, &t); t++;
		
		long long T = N - 1;
		vector<long long>B; long double L = 1.0L*(t - s) / T;
		for (int i = 0; i <= T; i++) B.push_back(s + (long long)(1.0L*L*i));
		B[T] = t;

		for (int i = 0; i < B.size() - 1; i++) {
			MinMax(B[i], B[i + 1] - 1, &s, &t);
			//cout << B[i] << " " << B[i + 1] - 1 << " " << s << " " << t << endl;
			if (s != -1) {
				Q.push_back(s);
				Q.push_back(t);
			}
		}
		sort(Q.begin(), Q.end());
		Q.erase(unique(Q.begin(), Q.end()), Q.end());

		long long maxn = 0;
		for (int i = 0; i < Q.size() - 1; i++) maxn = max(maxn, Q[i + 1] - Q[i]);
		return maxn;
	}
	return 0;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:33:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < B.size() - 1; i++) {
                   ~~^~~~~~~~~~~~~~
gap.cpp:45:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < Q.size() - 1; i++) maxn = max(maxn, Q[i + 1] - Q[i]);
                   ~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 472 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 2 ms 472 KB Output is correct
6 Correct 2 ms 472 KB Output is correct
7 Correct 2 ms 472 KB Output is correct
8 Correct 2 ms 472 KB Output is correct
9 Correct 2 ms 472 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 3 ms 512 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 15 ms 896 KB Output is correct
17 Correct 15 ms 948 KB Output is correct
18 Correct 15 ms 1084 KB Output is correct
19 Correct 15 ms 1100 KB Output is correct
20 Correct 12 ms 1108 KB Output is correct
21 Correct 55 ms 2140 KB Output is correct
22 Correct 55 ms 2148 KB Output is correct
23 Correct 56 ms 2148 KB Output is correct
24 Correct 56 ms 2176 KB Output is correct
25 Correct 48 ms 2176 KB Output is correct
26 Correct 55 ms 2176 KB Output is correct
27 Correct 59 ms 2176 KB Output is correct
28 Correct 55 ms 2180 KB Output is correct
29 Correct 55 ms 2180 KB Output is correct
30 Correct 41 ms 2180 KB Output is correct
31 Correct 2 ms 2180 KB Output is correct
32 Correct 2 ms 2180 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 2180 KB Output is correct
2 Correct 2 ms 2180 KB Output is correct
3 Correct 2 ms 2180 KB Output is correct
4 Correct 2 ms 2180 KB Output is correct
5 Correct 2 ms 2180 KB Output is correct
6 Correct 2 ms 2180 KB Output is correct
7 Correct 2 ms 2180 KB Output is correct
8 Correct 2 ms 2180 KB Output is correct
9 Correct 2 ms 2180 KB Output is correct
10 Correct 2 ms 2180 KB Output is correct
11 Correct 3 ms 2180 KB Output is correct
12 Correct 3 ms 2180 KB Output is correct
13 Correct 3 ms 2180 KB Output is correct
14 Correct 3 ms 2180 KB Output is correct
15 Correct 3 ms 2180 KB Output is correct
16 Correct 20 ms 2180 KB Output is correct
17 Correct 21 ms 2180 KB Output is correct
18 Correct 20 ms 2180 KB Output is correct
19 Correct 21 ms 2180 KB Output is correct
20 Correct 10 ms 2180 KB Output is correct
21 Correct 86 ms 3696 KB Output is correct
22 Correct 87 ms 3696 KB Output is correct
23 Correct 79 ms 3696 KB Output is correct
24 Correct 79 ms 3696 KB Output is correct
25 Correct 77 ms 4456 KB Output is correct
26 Correct 80 ms 4456 KB Output is correct
27 Correct 80 ms 4456 KB Output is correct
28 Correct 91 ms 4456 KB Output is correct
29 Correct 79 ms 4456 KB Output is correct
30 Correct 46 ms 4456 KB Output is correct
31 Correct 2 ms 4456 KB Output is correct
32 Correct 2 ms 4456 KB Output is correct