Submission #857884

#	Time	Username	Problem	Language	Result	Execution time	Memory
857884		Muhammad_Aneeq	Calvinball championship (CEOI15_teams)	C++17	10 / 100	41 ms	65536 KiB

teams

#include <iostream>
using namespace std;
#define int long long
int mod= 1e6+7;
signed main()
{
	int n;
	cin>>n;
	int a[n];
	for (auto& i:a)
		cin>>i;
	int dp[n+10][n+10]={};
	for (int i=1;i<=n;i++)
		dp[i][n]=1;
	for (int i=n-1;i>=1;i--)
	{
		int z=0;
		for (int j=1;j<=i;j++)
		{
			dp[j][i]+=dp[j][i+1]+dp[j+1][i+1]+z;
			dp[j][i]%=mod;
			z+=dp[j][i+1];
			z%=mod;
		}
	}
	int ans=0;
	for (int i=1;i<=n;i++)
	{
		for (int j=1;j<a[i-1];j++)
		{
			ans+=dp[j][i];
			ans%=mod;
		}
	}
	ans++;
	ans%=mod;
	cout<<ans<<endl;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10