Submission #1205734


Source Code Expand

#include <cmath>
#include <cstdlib>
#include <iostream>
long long factorial(const long long &value) {
    long long ret = 1;
    for (int i = 0; i < value; ++i) {
        ret *= i + 1;
    }
    return ret;
}
int main(void) {
    const long long mod = pow(10.0, 9.0) + 7;
    int n;
	while (std::cin >> n) {
		long long ans = 1, stack = 0, *arr;
		arr = new long long[n];
		for (int i = 0; i < n; ++i) {
			std::cin >> arr[i];
		}
		for (int i = 0; i < n; ++i) {
			int x = arr[i];
			if (x < 2 * ++stack - 1) {
				ans *= stack--;
				ans %= mod;
       		}
    	}
		ans *= factorial(stack) % mod;
		ans %= mod;
		std::cout << ans << std::endl;
		delete[] arr;
	}
	return EXIT_SUCCESS;
}

Submission Info

Submission Time
Task A - Robot Racing
User s8079
Language C++14 (GCC 5.4.1)
Score 500
Code Size 720 Byte
Status WA
Exec Time 41 ms
Memory 1024 KB

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 500 / 500 0 / 400
Status
AC × 4
AC × 14
AC × 15
WA × 13
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 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
0_03.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt AC 1 ms 256 KB
1_03.txt AC 1 ms 256 KB
1_04.txt AC 1 ms 256 KB
1_05.txt AC 1 ms 256 KB
1_06.txt AC 1 ms 256 KB
1_07.txt AC 1 ms 256 KB
1_08.txt AC 1 ms 256 KB
1_09.txt AC 1 ms 256 KB
1_10.txt AC 1 ms 256 KB
2_00.txt WA 29 ms 1024 KB
2_01.txt WA 30 ms 1024 KB
2_02.txt WA 41 ms 1024 KB
2_03.txt WA 30 ms 1024 KB
2_04.txt WA 30 ms 1024 KB
2_05.txt WA 30 ms 1024 KB
2_06.txt WA 30 ms 1024 KB
2_07.txt WA 30 ms 1024 KB
2_08.txt WA 30 ms 1024 KB
2_09.txt WA 30 ms 1024 KB
2_10.txt WA 30 ms 1024 KB
2_11.txt WA 40 ms 1024 KB
2_12.txt WA 40 ms 1024 KB