Submission #1136129


Source Code Expand

#include<cstdio>
inline void read(int&r)
{
	register char c;r=0;
	do c=getchar();while(c<'0'||c>'9');
	do r=r*10+c-'0',c=getchar();while(c>='0'&&c<='9');
}

typedef long long ll;
const int mod=1e9+7;

int main()
{
	int n,i,x,ans=1;read(n);
	for(i=1;i<=n;i++)
	{
		read(x);
		if(x<=(i-1)<<1)
			ans=(ll)ans*i%mod,i--,n--;
	}
	do ans=(ll)ans*n%mod;while(--n);
	printf("%d\n",ans);
}

Submission Info

Submission Time
Task A - Robot Racing
User htn
Language C++14 (GCC 5.4.1)
Score 900
Code Size 402 Byte
Status AC
Exec Time 8 ms
Memory 128 KB

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 500 / 500 400 / 400
Status
AC × 4
AC × 14
AC × 28
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt
Subtask 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt
Case Name Status Exec Time Memory
0_00.txt AC 0 ms 128 KB
0_01.txt AC 0 ms 128 KB
0_02.txt AC 0 ms 128 KB
0_03.txt AC 0 ms 128 KB
1_00.txt AC 0 ms 128 KB
1_01.txt AC 0 ms 128 KB
1_02.txt AC 0 ms 128 KB
1_03.txt AC 0 ms 128 KB
1_04.txt AC 0 ms 128 KB
1_05.txt AC 0 ms 128 KB
1_06.txt AC 0 ms 128 KB
1_07.txt AC 0 ms 128 KB
1_08.txt AC 0 ms 128 KB
1_09.txt AC 0 ms 128 KB
1_10.txt AC 0 ms 128 KB
2_00.txt AC 5 ms 128 KB
2_01.txt AC 6 ms 128 KB
2_02.txt AC 8 ms 128 KB
2_03.txt AC 6 ms 128 KB
2_04.txt AC 6 ms 128 KB
2_05.txt AC 6 ms 128 KB
2_06.txt AC 6 ms 128 KB
2_07.txt AC 6 ms 128 KB
2_08.txt AC 6 ms 128 KB
2_09.txt AC 6 ms 128 KB
2_10.txt AC 7 ms 128 KB
2_11.txt AC 8 ms 128 KB
2_12.txt AC 8 ms 128 KB