Submission #1605495


Source Code Expand

#include <vector>
#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 re()
{
    abort();
}

void tle()
{
    for(;;);
}

void mle()
{
    //malloc(1000*1000*1000); // これだとMLEにならない
    vector<int> v(300*1000*1000);
    fill(begin(v), end(v), 1);
}

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);
    }

    constexpr int shift = 2;
    auto bits = (h.get() >> shift) & 0b11;
    switch(bits) {
    case 0b00: yes(); break;
    case 0b01: re();  break;
    case 0b10: tle(); break;
    case 0b11: mle(); break;
    }

    return 0;
}

Submission Info

Submission Time
Task B - Unplanned Queries
User yumsiim
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1140 Byte
Status RE
Exec Time 2103 ms
Memory 1172096 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
WA × 1
RE × 1
AC × 1
WA × 7
TLE × 2
MLE × 4
RE × 6
Set Name Test Cases
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 RE 166 ms 256 KB
in10.txt MLE 669 ms 1172096 KB
in11.txt WA 60 ms 256 KB
in12.txt RE 165 ms 256 KB
in13.txt RE 164 ms 256 KB
in14.txt WA 70 ms 256 KB
in15.txt AC 1 ms 256 KB
in16.txt WA 1 ms 256 KB
in2.txt WA 69 ms 256 KB
in3.txt MLE 566 ms 1172096 KB
in4.txt MLE 534 ms 1172096 KB
in5.txt WA 70 ms 256 KB
in6.txt TLE 2103 ms 256 KB
in7.txt RE 165 ms 256 KB
in8.txt MLE 536 ms 1172096 KB
in9.txt TLE 2103 ms 256 KB
sample1.txt RE 95 ms 256 KB
sample2.txt WA 1 ms 256 KB