Submission #1133106
Source Code Expand
#include<bits/stdc++.h> using namespace std; const bool DBG = 1; #define TRACE(x) x #define WATCH(x) TRACE(cout << #x" = " << x << endl) #define WATCHR(a,b) TRACE(for(auto it=a; it!=b;) cout<<*(it++)<<" ";cout<<endl) #define WATCHC(V) TRACE({cout << #V" = "; WATCHR(V.begin(), V.end());}) #define all(x) (x).begin(), (x).end() typedef long long ll; typedef pair<int,int> pii; typedef vector<bool> vb; typedef vector<int> vi; typedef vector<vi> vii; typedef vector<ll> vll; typedef vector<vll> vvll; typedef vector<pair<int,int>> vpii; const ll MOD = 1e9 + 7; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << fixed << setprecision(15); int N, a; cin >> N; ll r = 1; int p = 1; ll ctr = N; ll cp = 0; for(ll i = 1; i <= N; i++) { cin >> a; if(a < p) { ctr--; r *= (i-cp); cp++; r %= MOD; //p -= 1; } else { p += 2; } //cout << i << " " << a << " " << p << " " << r << " " << p << endl; } for(ctr; ctr > 0; ctr--) { r *= ctr; r %= MOD; } cout << r << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - Robot Racing |
User | agural |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 1107 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 |
|
|
|
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 |