oj.uz

Submission #361720

# Submission time Handle Problem Language Result Execution time Memory
361720 2021-01-31T11:21:41 Z wildturtle Lightning Rod (NOI18_lightningrod) C++14
80 / 100
 2000 ms 79972 KB 
#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,n;
bool l;
stack < pair <int , int > > st;
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++) {
        cin>>a>>b;
        l=0;
        while(!st.empty()) {
            c=st.top().first;
            d=st.top().second;
            if(a+b<=c+d) { l=1; break; }
            if(a-b<=c-d) st.pop();
            else break;
        }
        if(l==0) st.push({a,b});
    }
    cout<<st.size();
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1783 ms 79972 KB Output is correct
2 Correct 1753 ms 79684 KB Output is correct
3 Correct 1708 ms 77392 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 42 ms 364 KB Output is correct
15 Correct 43 ms 364 KB Output is correct
16 Correct 41 ms 1004 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1792 ms 51456 KB Output is correct
2 Correct 1772 ms 51412 KB Output is correct
3 Correct 1740 ms 50308 KB Output is correct

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1783 ms 79972 KB Output is correct
2 Correct 1753 ms 79684 KB Output is correct
3 Correct 1708 ms 77392 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 42 ms 364 KB Output is correct
18 Correct 43 ms 364 KB Output is correct
19 Correct 41 ms 1004 KB Output is correct
20 Correct 1792 ms 51456 KB Output is correct
21 Correct 1772 ms 51412 KB Output is correct
22 Correct 1740 ms 50308 KB Output is correct
23 Execution timed out 2050 ms 1424 KB Time limit exceeded
24 Halted 0 ms 0 KB -