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Submission #743171

# Submission time Handle Problem Language Result Execution time Memory
743171 2023-05-17T08:34:50 Z vjudge1 Lightning Rod (NOI18_lightningrod) C++17
0 / 100
 1538 ms 262144 KB 
#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
const int N = 1e7 + 1;
pair<int,int> arr[N];
inline void read(int &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(NULL); cout.tie(NULL);
    int n,ans=0; read(n);
    for(int i=1;i<=n;i++) {
        read(arr[i].x);
        read(arr[i].y);
    }
    set<int> s;
    for(int i=1;i<=n;i++) s.insert(arr[i].x);
    cout << s.size();
    return 0;
}

Compilation message

lightningrod.cpp: In function 'int main()':
lightningrod.cpp:20:11: warning: unused variable 'ans' [-Wunused-variable]
   20 |     int n,ans=0; read(n);
      |           ^~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 1538 ms 262144 KB Execution killed with signal 9
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 1356 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 Runtime error 1538 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -