Submission #1573312
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(long long i = 0; i < (long long)(n); i++) using ll = long long; using vll = vector<ll>; static const long long mo = 1e9+7; int main(void) { ll n; cin >> n; vll a(n); rep(i, n) cin >> a[i]; ll ret = 1, c = 0; rep(i, n) if (a[i] < 2*(i-c)+1) (ret *= i + 1 - c) %= mo, c++; rep(i, n-c) (ret *= (i + 1)) %= mo; cout << ret << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - Robot Racing |
User | hamko |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 483 Byte |
Status | AC |
Exec Time | 43 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 | 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 | 29 ms | 1024 KB |
2_01.txt | AC | 31 ms | 1024 KB |
2_02.txt | AC | 42 ms | 1024 KB |
2_03.txt | AC | 30 ms | 1024 KB |
2_04.txt | AC | 30 ms | 1024 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 | 31 ms | 1024 KB |
2_09.txt | AC | 30 ms | 1024 KB |
2_10.txt | AC | 31 ms | 1024 KB |
2_11.txt | AC | 40 ms | 1024 KB |
2_12.txt | AC | 43 ms | 1024 KB |