Submission #560973

# Submission time Handle Problem Language Result Execution time Memory
560973 2022-05-12T06:29:21 Z Huy Gap (APIO16_gap) C++17
70 / 100
63 ms 4992 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)5e5 + 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 findGap(int T, int n)
{
    if(T == 1)
    {
        ll a[maxN];
        ll L = 0;
        ll R = infty;
        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+i-1]-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);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 4176 KB Output is correct
2 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
3 Runtime error 3 ms 4176 KB Execution failed because the return code was nonzero
4 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
5 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
6 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
7 Runtime error 3 ms 4176 KB Execution failed because the return code was nonzero
8 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
9 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
10 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
11 Runtime error 3 ms 4176 KB Execution failed because the return code was nonzero
12 Runtime error 2 ms 4228 KB Execution failed because the return code was nonzero
13 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
14 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
15 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
16 Runtime error 7 ms 4416 KB Execution failed because the return code was nonzero
17 Runtime error 10 ms 4320 KB Execution failed because the return code was nonzero
18 Runtime error 7 ms 4400 KB Execution failed because the return code was nonzero
19 Runtime error 6 ms 4304 KB Execution failed because the return code was nonzero
20 Runtime error 5 ms 4304 KB Execution failed because the return code was nonzero
21 Runtime error 21 ms 4936 KB Execution failed because the return code was nonzero
22 Runtime error 22 ms 4900 KB Execution failed because the return code was nonzero
23 Runtime error 20 ms 4900 KB Execution failed because the return code was nonzero
24 Runtime error 22 ms 4880 KB Execution failed because the return code was nonzero
25 Runtime error 16 ms 4876 KB Execution failed because the return code was nonzero
26 Runtime error 22 ms 4952 KB Execution failed because the return code was nonzero
27 Runtime error 22 ms 4928 KB Execution failed because the return code was nonzero
28 Runtime error 21 ms 4948 KB Execution failed because the return code was nonzero
29 Runtime error 21 ms 4936 KB Execution failed because the return code was nonzero
30 Runtime error 15 ms 4956 KB Execution failed because the return code was nonzero
31 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
32 Runtime error 3 ms 4176 KB Execution failed because the return code was nonzero
# Verdict Execution time Memory Grader output
1 Correct 2 ms 4176 KB Output is correct
2 Correct 3 ms 4176 KB Output is correct
3 Correct 2 ms 4176 KB Output is correct
4 Correct 2 ms 4176 KB Output is correct
5 Correct 2 ms 4176 KB Output is correct
6 Correct 3 ms 4176 KB Output is correct
7 Correct 2 ms 4176 KB Output is correct
8 Correct 2 ms 4176 KB Output is correct
9 Correct 2 ms 4176 KB Output is correct
10 Correct 2 ms 4176 KB Output is correct
11 Correct 3 ms 4304 KB Output is correct
12 Correct 3 ms 4176 KB Output is correct
13 Correct 3 ms 4176 KB Output is correct
14 Correct 3 ms 4176 KB Output is correct
15 Correct 3 ms 4240 KB Output is correct
16 Correct 16 ms 4304 KB Output is correct
17 Correct 14 ms 4340 KB Output is correct
18 Correct 17 ms 4384 KB Output is correct
19 Correct 14 ms 4344 KB Output is correct
20 Correct 9 ms 4420 KB Output is correct
21 Correct 58 ms 4988 KB Output is correct
22 Correct 54 ms 4904 KB Output is correct
23 Correct 58 ms 4992 KB Output is correct
24 Correct 60 ms 4984 KB Output is correct
25 Correct 51 ms 4992 KB Output is correct
26 Correct 63 ms 4984 KB Output is correct
27 Correct 59 ms 4896 KB Output is correct
28 Correct 59 ms 4988 KB Output is correct
29 Correct 56 ms 4984 KB Output is correct
30 Correct 39 ms 4988 KB Output is correct
31 Correct 2 ms 4176 KB Output is correct
32 Correct 2 ms 4176 KB Output is correct