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Submission #743216

# Submission time Handle Problem Language Result Execution time Memory
743216 2023-05-17T08:55:47 Z vjudge1 Lightning Rod (NOI18_lightningrod) C++17
0 / 100
 2000 ms 262144 KB 
#include <iostream>
#include <unordered_map>
using namespace std;

inline void read(long long &x)
{
    x = 0;
    char ch = getchar_unlocked();
    while (ch & 16)
    {
        x = (x << 3) + (x << 1) + (ch & 15);
        ch = getchar_unlocked();
    }
}

int main ()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    unordered_map<int,int> ma;
    long long n, a, b, sum = 0;
    read(n);
    for(long long i = 0;i < n;++i)
    {
        read(a);
        read(b);
        if(ma[a] == 0)
        {
            ma[a] = 1;
            sum++;
        }
    }
    cout << sum;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2072 ms 203064 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 510 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2072 ms 203064 KB Time limit exceeded
2 Halted 0 ms 0 KB -