Submission #1131181
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int MAXN = 1e5+5; const ll p = 1e9+7; ll n; ll x[MAXN]; ll prod = 1; int main() { cin >> n; for (int i = 0; i < n; ++i) cin >> x[i]; int ct = 0; for (int i = 0; i < n; ++i) { if (x[i] <= 2*i-2*ct) { prod *= (i+1-ct); prod %= p; ct++; } } for (int j = n-ct; j >= 1; --j) prod = prod*j%p; cout << prod << endl; }
Submission Info
Submission Time | |
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Task | A - Robot Racing |
User | desert97 |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 439 Byte |
Status | AC |
Exec Time | 41 ms |
Memory | 1024 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 | 6 ms | 768 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 | 1024 KB |
2_01.txt | AC | 31 ms | 1024 KB |
2_02.txt | AC | 41 ms | 1024 KB |
2_03.txt | AC | 30 ms | 1024 KB |
2_04.txt | AC | 30 ms | 1024 KB |
2_05.txt | AC | 32 ms | 1024 KB |
2_06.txt | AC | 30 ms | 1024 KB |
2_07.txt | AC | 30 ms | 1024 KB |
2_08.txt | AC | 30 ms | 1024 KB |
2_09.txt | AC | 30 ms | 1024 KB |
2_10.txt | AC | 30 ms | 1024 KB |
2_11.txt | AC | 40 ms | 1024 KB |
2_12.txt | AC | 40 ms | 1024 KB |