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Submission #169231

# Submission time Handle Problem Language Result Execution time Memory
169231 2019-12-19T07:23:20 Z aggu_01000101 Lightning Rod (NOI18_lightningrod) C++14
0 / 100
 2000 ms 162440 KB 
#include <iostream>
#include <algorithm>
#include <cmath>
#include <unordered_map>
#include <fstream>
#include <stack>
#include <vector>
#include <set>
#include <queue>
#include <cstdlib>
#include <cstring>
#include <map>
#define int long long
using namespace std;
int32_t main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin>>n;
    stack<pair<int, int>> st;
    for(int i =0 ;i<n;i++){
        int x, y;
        cin>>x>>y;
        bool toadd = true;
        while(!st.empty()){
            if(abs(x - st.top().first)<=(st.top().second - y)) toadd = false;
            else if(abs(x - st.top().first)<=(y-st.top().second)) st.pop();
            else break;
        }
        if(toadd) st.push(make_pair(x, y));
    }
    cout<<st.size()<<endl;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2055 ms 162440 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Execution timed out 2055 ms 376 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Execution timed out 2055 ms 376 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Execution timed out 2055 ms 376 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Execution timed out 2055 ms 376 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2039 ms 376 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2055 ms 162440 KB Time limit exceeded
2 Halted 0 ms 0 KB -