oj.uz

Submission #426519

# Submission time Handle Problem Language Result Execution time Memory
426519 2021-06-14T05:58:06 Z Amylopectin Lightning Rod (NOI18_lightningrod) C++14
66 / 100
 2000 ms 72548 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};
//        }
        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 2103 ms 72548 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 224 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 224 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 224 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 2 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 224 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 2 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 46 ms 1868 KB Output is correct
15 Correct 48 ms 1972 KB Output is correct
16 Correct 44 ms 2548 KB Output is correct

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2081 ms 49744 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 2103 ms 72548 KB Time limit exceeded
2 Halted 0 ms 0 KB -