Submission #1519985
Source Code Expand
#include <bits/stdc++.h> using namespace std; using ll = long long; const ll MOD = 1e9 + 7; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; int cnt = 0; ll ans = 1; for (int i = 0; i < n; i++) { int x; cin >> x; cnt++; if (cnt * 2 > x + 1) { (ans *= cnt) %= MOD; cnt--; } } for (int i = 2; i <= cnt; i++) { (ans *= i) %= MOD; } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - Robot Racing |
User | fine |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 448 Byte |
Status | AC |
Exec Time | 11 ms |
Memory | 256 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 |
---|---|
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 | 9 ms | 256 KB |
2_01.txt | AC | 9 ms | 256 KB |
2_02.txt | AC | 11 ms | 256 KB |
2_03.txt | AC | 9 ms | 256 KB |
2_04.txt | AC | 9 ms | 256 KB |
2_05.txt | AC | 9 ms | 256 KB |
2_06.txt | AC | 9 ms | 256 KB |
2_07.txt | AC | 9 ms | 256 KB |
2_08.txt | AC | 9 ms | 256 KB |
2_09.txt | AC | 9 ms | 256 KB |
2_10.txt | AC | 9 ms | 256 KB |
2_11.txt | AC | 11 ms | 256 KB |
2_12.txt | AC | 11 ms | 256 KB |