oj.uz

Submission #426810

# Submission time Handle Problem Language Result Execution time Memory
426810 2021-06-14T10:03:52 Z Amylopectin Lightning Rod (NOI18_lightningrod) C++14
66 / 100
 2000 ms 146188 KB 
    //#include <iostream>
    //#include <stdio.h>
    //#include <stdlib.h>
    #include <bits/stdc++.h>
    using namespace std;
    const int mxn = 2e7 + 10;
    struct we
    {
        int xx,yy;
    };
    struct we a[mxn] = {};
    int main()
    {
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        cout.tie(NULL);
        int i,j,n,m,ru = -1,cx,cy;
        cin >> n;
    //    scanf("%d",&n);
        for(i=0; i<n; i++)
        {
            cin >> cx >> cy;
    //        scanf("%d %d",&cx,&cy);
            while(ru >= 0 && cx - a[ru].xx <= cy - a[ru].yy)
            {
                ru --;
            }
            if(ru == -1 || cx - a[ru].xx > a[ru].yy - cy)
            {
                ru ++;
                a[ru] = {cx,cy};
            }
        }
        cout << ru + 1 << "\n";
    //    printf("%d\n",ru + 1);
        return 0;
    }

Compilation message

lightningrod.cpp: In function 'int main()':
lightningrod.cpp:17:15: warning: unused variable 'j' [-Wunused-variable]
   17 |         int i,j,n,m,ru = -1,cx,cy;
      |               ^
lightningrod.cpp:17:19: warning: unused variable 'm' [-Wunused-variable]
   17 |         int i,j,n,m,ru = -1,cx,cy;
      |                   ^

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1978 ms 127344 KB Output is correct
2 Execution timed out 2053 ms 146188 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 56 ms 3884 KB Output is correct
15 Correct 49 ms 3656 KB Output is correct
16 Correct 48 ms 3684 KB Output is correct

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2043 ms 92256 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1978 ms 127344 KB Output is correct
2 Execution timed out 2053 ms 146188 KB Time limit exceeded
3 Halted 0 ms 0 KB -