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Submission #550921

# Submission time Handle Problem Language Result Execution time Memory
550921 2022-04-19T11:42:59 Z Belgutei Lightning Rod (NOI18_lightningrod) C++17
4 / 100
 1436 ms 39920 KB 
#include<bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define ff first
#define ss second
#define pb push_back
#define mk make_pair
#define IOS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
int n;
int a,b;
map<int,int> mp;
int mx = -1;
int ans;
 
stack<int> s;
 
int main(){
    IOS
    cin >> n;
    for(int i = 0; i < n; i++){
        cin >> a >> b;
        int val = a - b;
        while(s.size()>0){
            if(s.top() >= val){
                s.pop();
            }
            else break;
        }
        s.push(val);
    }
 
    cout << s.size();
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1323 ms 39920 KB Output is correct
2 Correct 1436 ms 39920 KB Output is correct
3 Correct 1353 ms 38820 KB Output is correct

Subtask #2
0 / 7.0

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

Subtask #3
0 / 12.0

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

Subtask #4
0 / 21.0

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

Subtask #5
0 / 26.0

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

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1348 ms 30860 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1323 ms 39920 KB Output is correct
2 Correct 1436 ms 39920 KB Output is correct
3 Correct 1353 ms 38820 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Incorrect 0 ms 212 KB Output isn't correct
7 Halted 0 ms 0 KB -