Submission #284895

# Submission time Handle Problem Language Result Execution time Memory
284895 2020-08-28T07:49:29 Z triplem5ds Gap (APIO16_gap) C++14
100 / 100
93 ms 3312 KB
#include "gap.h"
#include "bits/stdc++.h"
using namespace std;
long long findGap(int T, int N)
{
  long long ans = 0;
  long long mn, mx;
  if(T == 1){
    vector<long long> L, R;

    long long LO = 0, HI = 1000000000000000000;
    while(L.size() + R.size() < N){
      MinMax(LO,HI, & mn, & mx);

      L.push_back(mn);
      R.push_back(mx);

      LO = mn + 1;
      HI = mx - 1;
    }

    reverse(R.begin(),R.end());
    if(N & 1)
      L.pop_back();
    vector<long long> v;
    for(auto x : L)v.push_back(x);
    for(auto x : R)v.push_back(x);

    for(int i =  1; i < v.size(); i++)
      ans = max(ans, v[i] - v[i-1]);
  } else {

      MinMax(0, 1000000000000000000, &mn, &mx);

      long long d = (mx - mn + N - 3) / (N - 1);

      vector<long long> v({mn, mx});

      long long cur = mn + 1;

      while(cur < v[1]) {

        MinMax(cur, min(v[1] - 1, cur + d - 1), &mn, &mx);
        cur += d;

        if(mn == -1)continue;

        v.push_back(mn);
        v.push_back(mx);

      }

      sort(v.begin(),v.end());

      for(int i = 1; i < v.size(); i++)
        ans = max(ans, v[i] - v[i-1]);

  }
  return ans;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:12:31: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   12 |     while(L.size() + R.size() < N){
      |           ~~~~~~~~~~~~~~~~~~~~^~~
gap.cpp:29:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i =  1; i < v.size(); i++)
      |                     ~~^~~~~~~~~~
gap.cpp:55:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |       for(int i = 1; i < v.size(); i++)
      |                      ~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 14 ms 1216 KB Output is correct
17 Correct 13 ms 1216 KB Output is correct
18 Correct 14 ms 1208 KB Output is correct
19 Correct 13 ms 1260 KB Output is correct
20 Correct 10 ms 1216 KB Output is correct
21 Correct 54 ms 3120 KB Output is correct
22 Correct 53 ms 3028 KB Output is correct
23 Correct 53 ms 3100 KB Output is correct
24 Correct 56 ms 3056 KB Output is correct
25 Correct 46 ms 3100 KB Output is correct
26 Correct 54 ms 3100 KB Output is correct
27 Correct 54 ms 3028 KB Output is correct
28 Correct 62 ms 3100 KB Output is correct
29 Correct 62 ms 3060 KB Output is correct
30 Correct 45 ms 3100 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 19 ms 892 KB Output is correct
17 Correct 17 ms 896 KB Output is correct
18 Correct 17 ms 896 KB Output is correct
19 Correct 17 ms 896 KB Output is correct
20 Correct 8 ms 512 KB Output is correct
21 Correct 80 ms 2288 KB Output is correct
22 Correct 79 ms 2288 KB Output is correct
23 Correct 73 ms 2252 KB Output is correct
24 Correct 82 ms 2288 KB Output is correct
25 Correct 74 ms 3312 KB Output is correct
26 Correct 93 ms 2368 KB Output is correct
27 Correct 74 ms 2292 KB Output is correct
28 Correct 72 ms 2288 KB Output is correct
29 Correct 82 ms 2288 KB Output is correct
30 Correct 39 ms 1536 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct