oj.uz

Submission #560982

# Submission time Handle Problem Language Result Execution time Memory
560982 2022-05-12T06:36:49 Z Huy Gap (APIO16_gap) C++17
100 / 100
 65 ms 1872 KB 
#include "gap.h"
#include<bits/stdc++.h>
//#define int long long
#define pii pair<int,int>
#define fi first
#define se second
/*#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")*/
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ldb = long double;
const int N = (int)5e5;
const int maxN = (int)1e5 + 5;
const int mod = 1e9 + 7;
//const int mod = 998244353;
const ll infty = 1e18;
const ll logn = 18;
const int base = 311;
const int Block_size = 500;
const int ep = 'a';

int cu[] = {0,0,1,-1};
int cv[] = {-1,1,0,0};

int du[] = {-1,-1,+1,1};
int dv[] = {-1,+1,-1,1};

int cled[] = {6,2,5,5,4,5,6,3,7,6};

void InputFile()
{
    freopen(".inp","r",stdin);
    freopen(".out","w",stdout);
    //freopen("test.out","r",stdin);
}

void FastInput()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

/*void MinMax(int L,int R,int x,int y)
{
    return;
}*/
ll a[maxN];
ll findGap(int T, int n)
{
    if(T == 1)
    {
        ll L = 0;
        ll R = infty;
        ll a[n+1];
        for(int i = 1;i <= (n + 1)/2;i++)
        {
            MinMax(L,R,&a[i],&a[n+1-i]);
            L = a[i] + 1;
            R = a[n+1-i]-1;
        }
        ll res = 0;
        for(int i = 2;i <= n;i++)
        {
            res = max(res,a[i]-a[i-1]);
        }
        return res;
    }
    ll res = 0;
    ll mini,maxi;
    MinMax(0,infty, &mini, &maxi);
    ll pre = mini;
    ll h = (maxi - mini + n - 2) / (n - 1);
    ll now = mini + 1;
    while(true)
    {
        ll p, q;
        MinMax(now, now + h - 1, &p, &q);
        res = max(res, p - pre);
        pre = max(pre, q);
        now += h;
        if(q == maxi) break;
    }
    return res;
}

/*void Read()
{

}

void Solve()
{

}

void Debug()
{
    //Main_sub();
    //Naive();
}


signed main()
{
    FastInput();
    //InputFile();
    //int sub_type;
    //cin >> sub_type;
    //Sieve();
    int test;
    //cin >> test;
    test = 1;
    while(test--)
        //for(int prc = 1; prc <= test; prc++)
    {
        Read();
        Solve();
        //Debug();
    }
}*/

Compilation message

gap.cpp: In function 'void InputFile()':
gap.cpp:36:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |     freopen(".inp","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~
gap.cpp:37:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |     freopen(".out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 9 ms 592 KB Output is correct
17 Correct 9 ms 592 KB Output is correct
18 Correct 14 ms 608 KB Output is correct
19 Correct 11 ms 684 KB Output is correct
20 Correct 8 ms 592 KB Output is correct
21 Correct 45 ms 1828 KB Output is correct
22 Correct 37 ms 1872 KB Output is correct
23 Correct 36 ms 1864 KB Output is correct
24 Correct 42 ms 1832 KB Output is correct
25 Correct 46 ms 1776 KB Output is correct
26 Correct 44 ms 1868 KB Output is correct
27 Correct 41 ms 1772 KB Output is correct
28 Correct 44 ms 1788 KB Output is correct
29 Correct 39 ms 1864 KB Output is correct
30 Correct 36 ms 1864 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct

Subtask #2
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 2 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 13 ms 464 KB Output is correct
17 Correct 17 ms 524 KB Output is correct
18 Correct 12 ms 504 KB Output is correct
19 Correct 13 ms 520 KB Output is correct
20 Correct 7 ms 484 KB Output is correct
21 Correct 56 ms 1088 KB Output is correct
22 Correct 50 ms 1088 KB Output is correct
23 Correct 65 ms 1084 KB Output is correct
24 Correct 52 ms 1160 KB Output is correct
25 Correct 46 ms 1044 KB Output is correct
26 Correct 64 ms 1064 KB Output is correct
27 Correct 55 ms 968 KB Output is correct
28 Correct 57 ms 1092 KB Output is correct
29 Correct 57 ms 988 KB Output is correct
30 Correct 30 ms 1136 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct