Submission #3644845
Source Code Expand
#include <iostream> #include <algorithm> #include <vector> #include <set> using namespace std; using ll = long long int; const ll INF = 1LL << 50; int main(){ ll N, Q; cin >> N >> Q; vector<ll> nums(Q); for(int i=0; i<Q; i++) { cin >> nums[i]; } set<ll> ans; for(int bit=0; bit<(1<<Q); bit++) { ll mul = 1, valid = true; for(int i=0; i<Q; i++) { if(bit >> i & 1) { mul *= nums[i]; if(mul > INF) { valid = false; break; } } } if(valid and mul <= N) { ll num = mul; for(int i=0; i<Q; i++) { if(mul % nums[i] == 0) mul /= nums[i]; } if(mul == 1) ans.insert(num); } } cout << ans.size() << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Division 2 |
User | tsutaj |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 910 Byte |
Status | AC |
Exec Time | 2236 ms |
Memory | 2688 KB |
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 25 / 25 | 75 / 75 | ||||||
Status |
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Set Name | Test Cases |
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Sample | sample_1.txt, sample_2.txt, sample_3.txt, sample_4.txt |
Subtask1 | sample_1.txt, sample_2.txt, sample_3.txt, sample_4.txt, sub1_1.txt, sub1_2.txt, sub1_3.txt, sub1_4.txt, sub1_5.txt, sub1_6.txt |
Subtask2 | sample_1.txt, sample_2.txt, sample_3.txt, sample_4.txt, sub1_1.txt, sub1_2.txt, sub1_3.txt, sub1_4.txt, sub1_5.txt, sub1_6.txt, sub2_1.txt, sub2_2.txt, sub2_3.txt, sub2_4.txt, sub2_5.txt, sub2_6.txt, sub2_7.txt, sub2_8.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_1.txt | AC | 1 ms | 256 KB |
sample_2.txt | AC | 1 ms | 256 KB |
sample_3.txt | AC | 1 ms | 256 KB |
sample_4.txt | AC | 1 ms | 256 KB |
sub1_1.txt | AC | 1 ms | 256 KB |
sub1_2.txt | AC | 1 ms | 256 KB |
sub1_3.txt | AC | 1 ms | 256 KB |
sub1_4.txt | AC | 1 ms | 256 KB |
sub1_5.txt | AC | 3 ms | 256 KB |
sub1_6.txt | AC | 3 ms | 256 KB |
sub2_1.txt | AC | 5 ms | 256 KB |
sub2_2.txt | AC | 5 ms | 384 KB |
sub2_3.txt | AC | 8 ms | 384 KB |
sub2_4.txt | AC | 6 ms | 384 KB |
sub2_5.txt | AC | 181 ms | 640 KB |
sub2_6.txt | AC | 203 ms | 640 KB |
sub2_7.txt | AC | 2126 ms | 1152 KB |
sub2_8.txt | AC | 2236 ms | 2688 KB |