Submission #28549

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
28549	2017-07-16T07:13:52 Z	not good but never sad(#1132, kriii)	LR Springboard (FXCUP2_springboard)	C++14	1 / 1	3 ms	2088 KB

springboard

#include "springboard.h"
#include <vector>
using namespace std;

void Reorder(int N) {
	PutBall((N+1)/2);
	vector<int> cand;
	if (PutBall((N+1)/2) == -1){
		for (int i=(N+1)/2;i<=N;i++) cand.push_back(i);
	}
	else{
		for (int i=0;i<(N+1)/2;i++) cand.push_back(i);
	}

	while (cand.size() > 1){
		int step = (cand.size() + 1) / 2;
		if (cand.back() != N) step = N + 1 - step;

		int r = PutBall(step);
		vector<int> ncand;
		for (int i=0;i<cand.size();i++){
			int nxt = (cand[i] + step) % (N+1);
			if ((cand[i] - nxt) * r > 0) ncand.push_back(nxt);
		}
		cand = ncand;
	}

	int push = N-cand[0]+1;
	if (1 <= push && push <= N) PutBall(push);
}

Compilation message

springboard.cpp: In function 'void Reorder(int)':
springboard.cpp:21:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0;i<cand.size();i++){
                 ^

Subtask #1

1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	2088 KB	Output is correct
2	Correct	0 ms	2088 KB	Output is correct
3	Correct	0 ms	2088 KB	Output is correct
4	Correct	0 ms	2088 KB	Output is correct
5	Correct	0 ms	2088 KB	Output is correct
6	Correct	0 ms	2088 KB	Output is correct
7	Correct	0 ms	2088 KB	Output is correct
8	Correct	0 ms	2088 KB	Output is correct
9	Correct	0 ms	2088 KB	Output is correct
10	Correct	0 ms	2088 KB	Output is correct
11	Correct	0 ms	2088 KB	Output is correct
12	Correct	0 ms	2088 KB	Output is correct
13	Correct	0 ms	2088 KB	Output is correct
14	Correct	0 ms	2088 KB	Output is correct
15	Correct	0 ms	2088 KB	Output is correct
16	Correct	0 ms	2088 KB	Output is correct
17	Correct	0 ms	2088 KB	Output is correct
18	Correct	0 ms	2088 KB	Output is correct
19	Correct	0 ms	2088 KB	Output is correct
20	Correct	0 ms	2088 KB	Output is correct
21	Correct	0 ms	2088 KB	Output is correct
22	Correct	0 ms	2088 KB	Output is correct
23	Correct	0 ms	2088 KB	Output is correct
24	Correct	0 ms	2088 KB	Output is correct
25	Correct	0 ms	2088 KB	Output is correct
26	Correct	3 ms	2088 KB	Output is correct
27	Correct	0 ms	2088 KB	Output is correct
28	Correct	0 ms	2088 KB	Output is correct
29	Correct	0 ms	2088 KB	Output is correct
30	Correct	0 ms	2088 KB	Output is correct
31	Correct	0 ms	2088 KB	Output is correct
32	Correct	0 ms	2088 KB	Output is correct
33	Correct	0 ms	2088 KB	Output is correct
34	Correct	0 ms	2088 KB	Output is correct
35	Correct	0 ms	2088 KB	Output is correct
36	Correct	0 ms	2088 KB	Output is correct
37	Correct	0 ms	2088 KB	Output is correct
38	Correct	0 ms	2088 KB	Output is correct
39	Correct	0 ms	2088 KB	Output is correct
40	Correct	3 ms	2088 KB	Output is correct
41	Correct	0 ms	1948 KB	Output is correct