Submission #1212877
Source Code Expand
#include <cstdlib> #include <iostream> int main(void) { const long long mod = 1000000007; int n; while (std::cin >> n) { long long ans = 1, stack = 0, *arr, *cnt; int fail = 0; arr = new long long[n]; cnt = new long long[n]; for (int i = 0; i < n; ++i) { std::cin >> arr[i]; ++cnt[(fail + 1) / 2]; if(i == 0) { arr[0] = 1; } else{ if(arr[i] >= arr[i - 1] + 2) { arr[i] = arr[i - 1] + 2; } if(arr[i - 1] + 1 == arr[i]) { ++fail; } } } for (int i = 0; i < n; ++i) { stack += cnt[i]; (ans *= stack) %= mod; --stack; } std::cout << ans << std::endl; delete[] arr; delete[] cnt; } return EXIT_SUCCESS; }
Submission Info
Submission Time | |
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Task | A - Robot Racing |
User | s8079 |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 726 Byte |
Status | AC |
Exec Time | 41 ms |
Memory | 1408 KB |
Judge Result
Set Name | Sample | Subtask | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | 400 / 400 | ||||||
Status |
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Set Name | Test Cases |
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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 | AC | 30 ms | 1408 KB |
2_01.txt | AC | 31 ms | 1024 KB |
2_02.txt | AC | 41 ms | 1024 KB |
2_03.txt | AC | 31 ms | 1280 KB |
2_04.txt | AC | 31 ms | 1152 KB |
2_05.txt | AC | 31 ms | 1024 KB |
2_06.txt | AC | 31 ms | 1024 KB |
2_07.txt | AC | 31 ms | 1024 KB |
2_08.txt | AC | 30 ms | 1024 KB |
2_09.txt | AC | 31 ms | 1024 KB |
2_10.txt | AC | 31 ms | 1024 KB |
2_11.txt | AC | 41 ms | 1024 KB |
2_12.txt | AC | 40 ms | 1024 KB |