Submission #1131281
Source Code Expand
#include <iostream> #include <vector> #include <cmath> #include <map> #include <set> #include <string> #include <algorithm> #define mp make_pair #define pb push_back using namespace std; typedef pair<int, int> pii; const int MAXN = 2e5; const int Q = 1e9 + 7; int main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i < n; i++) cin >> a[i]; long long cur = 1; long long res = 1; for (int i = 1; i < n; i++) { if (cur * 2 - 1 <= a[i - 1] || a[i] <= 2); else (cur--); cur++; res = (res * cur) % Q; } cout << res; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - Robot Racing |
User | Saimon_Saret |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 657 Byte |
Status | AC |
Exec Time | 41 ms |
Memory | 764 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 | 9 ms | 764 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 | 29 ms | 640 KB |
2_01.txt | AC | 31 ms | 640 KB |
2_02.txt | AC | 41 ms | 640 KB |
2_03.txt | AC | 30 ms | 640 KB |
2_04.txt | AC | 30 ms | 640 KB |
2_05.txt | AC | 31 ms | 640 KB |
2_06.txt | AC | 30 ms | 640 KB |
2_07.txt | AC | 31 ms | 640 KB |
2_08.txt | AC | 30 ms | 640 KB |
2_09.txt | AC | 30 ms | 640 KB |
2_10.txt | AC | 30 ms | 640 KB |
2_11.txt | AC | 40 ms | 640 KB |
2_12.txt | AC | 40 ms | 640 KB |