oj.uz

Submission #426513

# Submission time Handle Problem Language Result Execution time Memory
426513 2021-06-14T05:55:46 Z Amylopectin Lightning Rod (NOI18_lightningrod) C++14
66 / 100
 2000 ms 76920 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;
//        if(ru == -1)
//        {
//            ru ++;
//            a[ru] = {cx,cy};
//            continue;
//        }
//        scanf("%d %d",&cx,&cy);
//        if(cx - a[ru].xx <= a[ru].yy - cy)
//        {
////            ru ++;
////            a[ru] = {cx,cy};
//            continue;
//        }
        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:17:11: warning: unused variable 'j' [-Wunused-variable]
   17 |     int i,j,n,m,ru = -1,cx,cy;
      |           ^
lightningrod.cpp:17:15: 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 Execution timed out 2013 ms 76920 KB Time limit exceeded
2 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 332 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 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 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 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 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 47 ms 3872 KB Output is correct
15 Correct 50 ms 3616 KB Output is correct
16 Correct 45 ms 3652 KB Output is correct

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2056 ms 49480 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2013 ms 76920 KB Time limit exceeded
2 Halted 0 ms 0 KB -