Submission #992695

#	Time	Username	Problem	Language	Result	Execution time	Memory
992695		cpptowin	Triple Jump (JOI19_jumps)	C++17	0 / 100	4056 ms	4188 KiB

jumps

#include <bits/stdc++.h>
#define fo(i, d, c) for (int i = d; i <= c; i++)
#define fod(i, c, d) for (int i = c; i >= d; i--)
#define maxn 1000010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout << "\n";
#define int long long
#define inf (int)1e18
#define pii pair<int, int>
#define vii vector<pii>
#define lb(x) x & -x
#define bit(i, j) ((i >> j) & 1)
#define offbit(i, j) (i ^ (1LL << j))
#define onbit(i, j) (i | (1LL << j))
#define vi vector<int>
template <typename T1, typename T2>
bool minimize(T1 &a, T2 b)
{
	if (a > b)
	{
		a = b;
		return true;
	}
	return false;
}
template <typename T1, typename T2>
bool maximize(T1 &a, T2 b)
{
	if (a < b)
	{
		a = b;
		return true;
	}
	return false;
}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
int n;
int a[maxn];
main()
{
#define name "TASK"
	if (fopen(name ".inp", "r"))
	{
		freopen(name ".inp", "r", stdin);
		freopen(name ".out", "w", stdout);
	}
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
    cin >> n;
	fo(i,1,n) cin >> a[i];
	int q;cin >> q;
	while(q--)
	{
		int ans = 0;
		int l,r;
		cin >> l >> r;
		for(int len = 2 ; len * 2 <= (r - l + 1) ; len++)
		{
			fo(i,l,r - len + 1)
			{
				int j = i + len - 1;
				fo(len1,len,r - j + 1)
				{
					int k = j + len1 - 1;
					maximize(ans,a[i] + a[j] + a[k]);
				}
			}
		}
		cout << ans;en;
	}
}

Compilation message (stderr)

jumps.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main()
      | ^~~~
jumps.cpp: In function 'int main()':
jumps.cpp:49:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |   freopen(name ".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
jumps.cpp:50:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |   freopen(name ".out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 14
• Subtask 3: 0 / 27
• Subtask 4: 0 / 54