Submission #888341

# Submission time Handle Problem Language Result Execution time Memory
888341 2023-12-17T02:08:47 Z 12345678 Gap (APIO16_gap) C++17
100 / 100
47 ms 3996 KB
#include "gap.h"
 
#include <bits/stdc++.h>
 
using namespace std;
 
#define ll long long
 
long long findGap(int T, int N)
{
    if (T==1)
    {
        ll x=0, y=1e18, a, b, idx=0, mx=0;
        vector<ll> v;
        while (v.size()<N)
        {
            MinMax(x, y, &a, &b);
            if (a==b) v.push_back(a);
            else v.push_back(a), v.push_back(b);
            x=a+1; y=b-1;
        }
        sort(v.begin(), v.end());
        for (int i=1; i<v.size(); i++) mx=max(mx, v[i]-v[i-1]);
        return mx;
    }
    else
    {
        ll x=0, y=1e18, mn, mx, mmn, mmx, res=0, cnt=0, lst;
        vector<ll> v;
        MinMax(x, y, &mmn, &mmx);
        if (mmx-mmn+1<N+1) return 1;
        ll gap=(mmx-mmn-1)/(N-1), rem=(mmx-mmn-1)%(N-1);
        v.push_back(mmn);
        v.push_back(mmx);
        lst=mmn+1;
        for (ll i=mmn+1; i<=mmx-1&&cnt<rem; i+=gap+1, cnt++)
        {
            MinMax(i, i+gap, &mn, &mx);
            lst=i+gap+1;
            if (mn==-1) continue;
            v.push_back(mn);
            if (mn!=mx) v.push_back(mx);
        }
        for (ll i=lst; i<=mmx-1; i+=gap)
        {
            MinMax(i, i+gap-1, &mn, &mx);
            if (mn==-1) continue;
            v.push_back(mn);
            if (mn!=mx) v.push_back(mx);
        }
        sort(v.begin(), v.end());
        for (int i=1; i<v.size(); i++) res=max(res, v[i]-v[i-1]);
        return res;
    }
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:15:24: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   15 |         while (v.size()<N)
      |                ~~~~~~~~^~
gap.cpp:23:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for (int i=1; i<v.size(); i++) mx=max(mx, v[i]-v[i-1]);
      |                       ~^~~~~~~~~
gap.cpp:13:31: warning: unused variable 'idx' [-Wunused-variable]
   13 |         ll x=0, y=1e18, a, b, idx=0, mx=0;
      |                               ^~~
gap.cpp:52:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |         for (int i=1; i<v.size(); i++) res=max(res, v[i]-v[i-1]);
      |                       ~^~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 0 ms 2392 KB Output is correct
4 Correct 0 ms 2392 KB Output is correct
5 Correct 0 ms 2392 KB Output is correct
6 Correct 0 ms 2392 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 0 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2388 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 8 ms 2844 KB Output is correct
17 Correct 8 ms 2836 KB Output is correct
18 Correct 8 ms 2836 KB Output is correct
19 Correct 8 ms 2912 KB Output is correct
20 Correct 7 ms 2808 KB Output is correct
21 Correct 31 ms 3992 KB Output is correct
22 Correct 31 ms 3992 KB Output is correct
23 Correct 31 ms 3812 KB Output is correct
24 Correct 32 ms 3952 KB Output is correct
25 Correct 28 ms 3984 KB Output is correct
26 Correct 31 ms 3992 KB Output is correct
27 Correct 31 ms 3996 KB Output is correct
28 Correct 31 ms 3992 KB Output is correct
29 Correct 31 ms 3988 KB Output is correct
30 Correct 27 ms 3988 KB Output is correct
31 Correct 1 ms 2388 KB Output is correct
32 Correct 0 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 0 ms 2392 KB Output is correct
4 Correct 0 ms 2392 KB Output is correct
5 Correct 0 ms 2392 KB Output is correct
6 Correct 0 ms 2392 KB Output is correct
7 Correct 0 ms 2648 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 0 ms 2392 KB Output is correct
10 Correct 0 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2388 KB Output is correct
16 Correct 10 ms 2840 KB Output is correct
17 Correct 10 ms 2832 KB Output is correct
18 Correct 10 ms 2844 KB Output is correct
19 Correct 11 ms 2844 KB Output is correct
20 Correct 5 ms 2568 KB Output is correct
21 Correct 42 ms 3992 KB Output is correct
22 Correct 45 ms 3980 KB Output is correct
23 Correct 42 ms 3996 KB Output is correct
24 Correct 41 ms 3988 KB Output is correct
25 Correct 38 ms 3996 KB Output is correct
26 Correct 41 ms 3984 KB Output is correct
27 Correct 46 ms 3980 KB Output is correct
28 Correct 42 ms 3912 KB Output is correct
29 Correct 47 ms 3960 KB Output is correct
30 Correct 23 ms 3104 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 0 ms 2392 KB Output is correct