Submission #1605534
Source Code Expand
#include <iostream> #include <cstdint> using namespace std; #define FOR(i, start, end) for(int i = (start); i < (end); ++i) #define REP(i, n) FOR(i, 0, n) class Hash { public: Hash() : hash_(17) {} uint32_t get() const { return hash_; } void update(uint32_t x) { hash_ *= 31; hash_ += x; } private: uint32_t hash_; }; void yes() { cout << "YES" << "\n"; exit(0); } void no() { cout << "NO" << "\n"; exit(0); } int main() { Hash h; int N, M; cin >> N >> M; h.update(N); h.update(M); REP(_, M) { int a, b; cin >> a >> b; h.update(a); h.update(b); } auto bits = h.get() & 0x3FF; switch(bits) { case 0b1100000110: no(); break; case 0b0101000011: no(); break; case 0b1001010110: no(); break; case 0b0100010001: no(); break; case 0b0000110001: no(); break; case 0b1110000000: no(); break; case 0b1001001100: no(); break; case 0b0110001110: no(); break; case 0b0101100001: no(); break; case 0b1011111010: no(); break; case 0b1001111010: no(); break; case 0b0000110010: no(); break; case 0b0110111101: yes(); break; case 0b0000110101: yes(); break; case 0b0111111101: yes(); break; case 0b1101110001: yes(); break; case 0b0001010110: yes(); break; case 0b0111110111: yes(); break; default: abort(); } return 0; }
Submission Info
Submission Time | |
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Task | B - Unplanned Queries |
User | yumsiim |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1501 Byte |
Status | AC |
Exec Time | 74 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
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Set Name | Test Cases |
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Sample | sample1.txt, sample2.txt |
All | sample1.txt, sample2.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 69 ms | 256 KB |
in10.txt | AC | 70 ms | 256 KB |
in11.txt | AC | 60 ms | 256 KB |
in12.txt | AC | 70 ms | 256 KB |
in13.txt | AC | 69 ms | 256 KB |
in14.txt | AC | 74 ms | 256 KB |
in15.txt | AC | 1 ms | 256 KB |
in16.txt | AC | 1 ms | 256 KB |
in2.txt | AC | 69 ms | 256 KB |
in3.txt | AC | 70 ms | 256 KB |
in4.txt | AC | 69 ms | 256 KB |
in5.txt | AC | 70 ms | 256 KB |
in6.txt | AC | 69 ms | 256 KB |
in7.txt | AC | 70 ms | 256 KB |
in8.txt | AC | 69 ms | 256 KB |
in9.txt | AC | 70 ms | 256 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |