답안 #245924

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
245924 2020-07-07T19:46:49 Z zecookiez Lightning Rod (NOI18_lightningrod) C++14
76 / 100
2000 ms 198072 KB
#include <bits/stdc++.h>
using namespace std;
int main() {
    cin.sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n; cin >> n;
    vector<pair<int, int>> st;
    for(int x, y, i = 0; i < n; ++i){
        cin >> x >> y;
        bool add = true;
        while(!st.empty()){
            // current building bad
            if(x + y <= st.back().second + st.back().first){ add = false; break; }
            // previous building bad
            if(x - y <= st.back().first - st.back().second){ st.pop_back();}
            else break;
        }
        if(add) st.emplace_back(x, y);
    }
    cout << st.size() << "\n";
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2068 ms 198072 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 58 ms 3960 KB Output is correct
15 Correct 56 ms 3704 KB Output is correct
16 Correct 51 ms 3956 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1935 ms 120612 KB Output is correct
2 Correct 1943 ms 116216 KB Output is correct
3 Correct 1888 ms 114548 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2068 ms 198072 KB Time limit exceeded
2 Halted 0 ms 0 KB -