oj.uz

Submission #970523

# Submission time Handle Problem Language Result Execution time Memory
970523 2024-04-26T16:22:23 Z NoMercy Lightning Rod (NOI18_lightningrod) C++14
100 / 100
 1352 ms 135916 KB 
#include <bits/stdc++.h>
using namespace std;
 
    
int TIME = clock();
 
#define file \
            freopen("in.txt" , "r" , stdin); \
            freopen("out.txt" , "w" , stdout);
 
 
void test_case () {
    int n;
    cin >> n;
    stack <array <int , 2>> st;
    auto check = [&](array<int , 2> se , array<int , 2> fi) -> bool {
        return (abs(fi[0] - se[0]) <= fi[1] - se[1]);
    };
    for (int i = 0;i < n;i ++) {
        int x , y;
        cin >> x >> y;
        array<int , 2> tmp = {x , y};
        if (st.size() == 0) {
            st.push(tmp);
            continue;
        }
        if (check(tmp , st.top()) == true) {
            continue;
        }
        while (st.size() > 0 && check(st.top() , tmp) == true) {
            st.pop();
        }
        st.push({x , y});
    }
    cout << (int)st.size() << "\n";
}
 
 
int32_t main () {
  
  	ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
 
     /////   file
    
 
    int t = 1;
    // cin >> t;
 
    while (t --) {
        test_case();
    }
 
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1104 ms 105700 KB Output is correct
2 Correct 1132 ms 135916 KB Output is correct
3 Correct 1139 ms 132472 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 27 ms 348 KB Output is correct
15 Correct 27 ms 348 KB Output is correct
16 Correct 28 ms 976 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1135 ms 71260 KB Output is correct
2 Correct 1115 ms 51528 KB Output is correct
3 Correct 1069 ms 50068 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1104 ms 105700 KB Output is correct
2 Correct 1132 ms 135916 KB Output is correct
3 Correct 1139 ms 132472 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 27 ms 348 KB Output is correct
18 Correct 27 ms 348 KB Output is correct
19 Correct 28 ms 976 KB Output is correct
20 Correct 1135 ms 71260 KB Output is correct
21 Correct 1115 ms 51528 KB Output is correct
22 Correct 1069 ms 50068 KB Output is correct
23 Correct 1352 ms 452 KB Output is correct
24 Correct 1224 ms 624 KB Output is correct
25 Correct 1210 ms 3040 KB Output is correct