oj.uz

답안 #21919

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
21919 2017-04-27T12:18:39 Z sampriti Gap (APIO16_gap) C++14
70 / 100
 96 ms 8220 KB 
#include "gap.h"

#include <climits>
#include <vector>
#include <cassert>

using namespace std;

long long findGap(int T, int N) {
  long long L, R;
  MinMax(0, LLONG_MAX, &L, &R);

  if(T == 1) {
    vector<long long> A, B;
    A.push_back(L); B.push_back(R);
    while(true) {
      long long qL, qR;
      MinMax(L + 1, R - 1, &qL, &qR);
      if(qL == -1) break;
      A.push_back(qL); B.push_back(qR);
      if(qL == qR || (A.size() + B.size() == N)) break;
      L = qL, R = qR;
    }
    A.insert(A.end(), B.rbegin(), B.rend());
    long long ans = 0;
    for(int i = 1; i < N; i++) {
      ans = max(ans, A[i] - A[i - 1]);
    }
    return ans;
  }

  long long diff = ((R - L - 1) + (N - 2))/(N - 1);

  vector<pair<long long, long long> > cands;
  cands.push_back({L, L});
  for(long long x = L + 1; x <= R - 1; x += diff) {
    long long qL, qR;
    MinMax(x, min(x + diff - 1, R - 1), &qL, &qR);
    if(qL != -1) cands.push_back({qL, qR});
  }
  cands.push_back({R, R});

  long long ans = 0;
  for(int i = 1; i < cands.size(); i++) {
    ans = max(ans, cands[i].first - cands[i - 1].second);
  }
  return ans;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:21:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if(qL == qR || (A.size() + B.size() == N)) break;
                                           ^
gap.cpp:44:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 1; i < cands.size(); i++) {
                    ^

Subtask #1
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 5060 KB Output isn't correct
2 Correct 0 ms 5060 KB Output is correct
3 Correct 0 ms 5060 KB Output is correct
4 Incorrect 0 ms 5060 KB Output isn't correct
5 Correct 0 ms 5060 KB Output is correct
6 Correct 0 ms 5060 KB Output is correct
7 Correct 0 ms 5060 KB Output is correct
8 Correct 0 ms 5060 KB Output is correct
9 Correct 0 ms 5060 KB Output is correct
10 Correct 0 ms 5060 KB Output is correct
11 Correct 0 ms 5060 KB Output is correct
12 Correct 0 ms 5060 KB Output is correct
13 Correct 0 ms 5060 KB Output is correct
14 Correct 0 ms 5060 KB Output is correct
15 Correct 0 ms 5060 KB Output is correct
16 Correct 13 ms 5548 KB Output is correct
17 Correct 13 ms 5548 KB Output is correct
18 Correct 13 ms 5548 KB Output is correct
19 Correct 13 ms 5548 KB Output is correct
20 Correct 9 ms 5548 KB Output is correct
21 Correct 56 ms 6956 KB Output is correct
22 Correct 59 ms 6956 KB Output is correct
23 Correct 56 ms 6956 KB Output is correct
24 Correct 53 ms 6956 KB Output is correct
25 Correct 39 ms 6956 KB Output is correct
26 Correct 63 ms 6956 KB Output is correct
27 Correct 69 ms 6956 KB Output is correct
28 Correct 46 ms 6956 KB Output is correct
29 Correct 53 ms 6956 KB Output is correct
30 Correct 39 ms 6956 KB Output is correct
31 Correct 0 ms 5060 KB Output is correct
32 Correct 0 ms 5060 KB Output is correct

Subtask #2
70.0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5060 KB Output is correct
2 Correct 0 ms 5060 KB Output is correct
3 Correct 0 ms 5060 KB Output is correct
4 Correct 0 ms 5060 KB Output is correct
5 Correct 0 ms 5060 KB Output is correct
6 Correct 0 ms 5060 KB Output is correct
7 Correct 0 ms 5060 KB Output is correct
8 Correct 0 ms 5060 KB Output is correct
9 Correct 0 ms 5060 KB Output is correct
10 Correct 0 ms 5060 KB Output is correct
11 Correct 0 ms 5060 KB Output is correct
12 Correct 0 ms 5060 KB Output is correct
13 Correct 0 ms 5060 KB Output is correct
14 Correct 0 ms 5060 KB Output is correct
15 Correct 0 ms 5204 KB Output is correct
16 Correct 23 ms 5532 KB Output is correct
17 Correct 23 ms 5532 KB Output is correct
18 Correct 26 ms 5532 KB Output is correct
19 Correct 19 ms 5532 KB Output is correct
20 Correct 6 ms 5060 KB Output is correct
21 Correct 76 ms 6684 KB Output is correct
22 Correct 73 ms 6684 KB Output is correct
23 Correct 73 ms 6684 KB Output is correct
24 Correct 76 ms 6684 KB Output is correct
25 Correct 69 ms 8220 KB Output is correct
26 Correct 69 ms 6684 KB Output is correct
27 Correct 96 ms 6684 KB Output is correct
28 Correct 83 ms 6684 KB Output is correct
29 Correct 63 ms 6684 KB Output is correct
30 Correct 39 ms 5532 KB Output is correct
31 Correct 0 ms 5060 KB Output is correct
32 Correct 0 ms 5060 KB Output is correct