Submission #1158200


Source Code Expand

#include <cstdio>
using namespace std;
 
const int mod = 1000000007;
 
inline
int modMultiple(int a, int b){return (static_cast<long long>(a) * b) % mod;}
 
int main()
{
    int N;
    scanf("%d\n", &N);
    int result = 1;
    int k = 0;
    for (int i = 0; i < N; ++i){
        int Xi;
        scanf("%d", &Xi); getchar();
        while (Xi < k * 2 + 1){
            result = modMultiple(result, k + 1);
            --k;
        }
        ++k;
    }
    for (; k > 0; --k){
        result = modMultiple(result, k);
    }
    printf("%d\n", result);
}

Submission Info

Submission Time
Task A - Robot Racing
User coconut
Language C++14 (GCC 5.4.1)
Score 900
Code Size 579 Byte
Status AC
Exec Time 14 ms
Memory 128 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d\n", &N);
                      ^
./Main.cpp:17:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &Xi); getchar();
                         ^

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 1 ms 128 KB
0_01.txt AC 1 ms 128 KB
0_02.txt AC 1 ms 128 KB
0_03.txt AC 1 ms 128 KB
1_00.txt AC 1 ms 128 KB
1_01.txt AC 1 ms 128 KB
1_02.txt AC 1 ms 128 KB
1_03.txt AC 1 ms 128 KB
1_04.txt AC 1 ms 128 KB
1_05.txt AC 1 ms 128 KB
1_06.txt AC 0 ms 128 KB
1_07.txt AC 0 ms 128 KB
1_08.txt AC 1 ms 128 KB
1_09.txt AC 1 ms 128 KB
1_10.txt AC 0 ms 128 KB
2_00.txt AC 11 ms 128 KB
2_01.txt AC 12 ms 128 KB
2_02.txt AC 14 ms 128 KB
2_03.txt AC 12 ms 128 KB
2_04.txt AC 12 ms 128 KB
2_05.txt AC 12 ms 128 KB
2_06.txt AC 12 ms 128 KB
2_07.txt AC 12 ms 128 KB
2_08.txt AC 11 ms 128 KB
2_09.txt AC 11 ms 128 KB
2_10.txt AC 11 ms 128 KB
2_11.txt AC 13 ms 128 KB
2_12.txt AC 13 ms 128 KB