Submission #560976

# Submission time Handle Problem Language Result Execution time Memory
560976 2022-05-12T06:30:57 Z Huy Gap (APIO16_gap) C++17
70 / 100
68 ms 5024 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 2 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 3 ms 4176 KB Execution failed because the return code was nonzero
7 Runtime error 2 ms 4176 KB Execution failed because the return code was nonzero
8 Runtime error 3 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 2 ms 4176 KB Execution failed because the return code was nonzero
12 Runtime error 2 ms 4176 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 3 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 10 ms 4452 KB Execution failed because the return code was nonzero
17 Runtime error 7 ms 4392 KB Execution failed because the return code was nonzero
18 Runtime error 7 ms 4304 KB Execution failed because the return code was nonzero
19 Runtime error 8 ms 4324 KB Execution failed because the return code was nonzero
20 Runtime error 7 ms 4304 KB Execution failed because the return code was nonzero
21 Runtime error 24 ms 4912 KB Execution failed because the return code was nonzero
22 Runtime error 23 ms 4900 KB Execution failed because the return code was nonzero
23 Runtime error 22 ms 4936 KB Execution failed because the return code was nonzero
24 Runtime error 22 ms 4888 KB Execution failed because the return code was nonzero
25 Runtime error 19 ms 4900 KB Execution failed because the return code was nonzero
26 Runtime error 22 ms 4912 KB Execution failed because the return code was nonzero
27 Runtime error 24 ms 4884 KB Execution failed because the return code was nonzero
28 Runtime error 23 ms 4900 KB Execution failed because the return code was nonzero
29 Runtime error 28 ms 4948 KB Execution failed because the return code was nonzero
30 Runtime error 20 ms 4872 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 2 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 2 ms 4176 KB Output is correct
3 Correct 2 ms 4200 KB Output is correct
4 Correct 2 ms 4176 KB Output is correct
5 Correct 2 ms 4176 KB Output is correct
6 Correct 2 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 4176 KB Output is correct
12 Correct 4 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 4176 KB Output is correct
16 Correct 15 ms 4304 KB Output is correct
17 Correct 16 ms 4304 KB Output is correct
18 Correct 17 ms 4420 KB Output is correct
19 Correct 16 ms 4304 KB Output is correct
20 Correct 8 ms 4304 KB Output is correct
21 Correct 55 ms 4984 KB Output is correct
22 Correct 68 ms 4892 KB Output is correct
23 Correct 53 ms 4992 KB Output is correct
24 Correct 53 ms 4932 KB Output is correct
25 Correct 54 ms 4988 KB Output is correct
26 Correct 59 ms 4900 KB Output is correct
27 Correct 54 ms 4988 KB Output is correct
28 Correct 57 ms 4932 KB Output is correct
29 Correct 63 ms 5024 KB Output is correct
30 Correct 34 ms 4900 KB Output is correct
31 Correct 2 ms 4176 KB Output is correct
32 Correct 2 ms 4176 KB Output is correct