oj.uz

Submission #847073

# Submission time Handle Problem Language Result Execution time Memory
847073 2023-09-09T06:14:49 Z NeroZein Rarest Insects (IOI22_insects) C++17
99.83 / 100
 36 ms 936 KB 
#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
int n,dst;
stack<int>st;
bool nt[20009];

bool ch(int x)
{
    while(!st.empty()){move_outside(st.top());st.pop();}
    int sz=0;
    vector<int>g;
    for(int i=0;i<n;i++)
    {
        if(nt[i])continue;
        if(sz==0){st.push(i);move_inside(i);sz++;continue;}
        move_inside(i);
        if(press_button()>x){move_outside(i);g.push_back(i);continue;}
        sz++;
        st.push(i);
        if(sz==x*dst) {
            for (int j = i + 1; j < n; ++j) {
              g.push_back(j); 
            }
          break;
        }
    }
    if(sz==x*dst)
    {
        while(!st.empty()){nt[st.top()]=true;move_outside(st.top());st.pop();}
        return true;

    }
    for(int i=0;i<g.size();i++)nt[g[i]]=true;
    return false;

}
int rss;
int min_cardinality(int N)
{
    rss=0;
    n=N;
    dst=0;
    move_inside(0);
    st.push(0);
    dst++;
    for(int i=1;i<n;i++)
    {
        move_inside(i);
        if(press_button()==1){st.push(i);dst++;}
           else move_outside(i);
    }
    int l=1,r=n/dst;
    while(l<r)
    {
        int mid=(l+r+1)/2;
        if(ch(mid)){l=0;r-=mid;rss+=mid;}
        else r=mid-1;
    }
    return l+rss;
}

Compilation message

insects.cpp: In function 'bool ch(int)':
insects.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(int i=0;i<g.size();i++)nt[g[i]]=true;
      |                 ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 436 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 436 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 9 ms 592 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 10 ms 344 KB Output is correct
26 Correct 13 ms 600 KB Output is correct
27 Correct 9 ms 600 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 13 ms 592 KB Output is correct
30 Correct 14 ms 856 KB Output is correct
31 Correct 10 ms 440 KB Output is correct
32 Correct 12 ms 600 KB Output is correct
33 Correct 15 ms 432 KB Output is correct
34 Correct 10 ms 440 KB Output is correct
35 Correct 14 ms 440 KB Output is correct
36 Correct 14 ms 848 KB Output is correct
37 Correct 14 ms 592 KB Output is correct
38 Correct 15 ms 344 KB Output is correct
39 Correct 11 ms 600 KB Output is correct
40 Correct 13 ms 692 KB Output is correct
41 Correct 5 ms 600 KB Output is correct

Subtask #3
74.83 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 596 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 16 ms 848 KB Output is correct
8 Correct 13 ms 856 KB Output is correct
9 Correct 21 ms 416 KB Output is correct
10 Correct 28 ms 592 KB Output is correct
11 Correct 28 ms 428 KB Output is correct
12 Correct 20 ms 856 KB Output is correct
13 Correct 26 ms 672 KB Output is correct
14 Correct 36 ms 676 KB Output is correct
15 Correct 26 ms 428 KB Output is correct
16 Correct 21 ms 592 KB Output is correct
17 Correct 29 ms 604 KB Output is correct
18 Correct 23 ms 928 KB Output is correct
19 Correct 20 ms 848 KB Output is correct
20 Correct 26 ms 864 KB Output is correct
21 Correct 26 ms 848 KB Output is correct
22 Partially correct 32 ms 840 KB Output is partially correct
23 Correct 26 ms 680 KB Output is correct
24 Correct 32 ms 600 KB Output is correct
25 Correct 17 ms 848 KB Output is correct
26 Correct 7 ms 600 KB Output is correct
27 Correct 28 ms 692 KB Output is correct
28 Correct 20 ms 668 KB Output is correct
29 Partially correct 29 ms 924 KB Output is partially correct
30 Partially correct 29 ms 592 KB Output is partially correct
31 Correct 27 ms 848 KB Output is correct
32 Correct 31 ms 672 KB Output is correct
33 Correct 34 ms 844 KB Output is correct
34 Correct 26 ms 936 KB Output is correct
35 Partially correct 32 ms 688 KB Output is partially correct
36 Correct 27 ms 932 KB Output is correct
37 Correct 29 ms 596 KB Output is correct
38 Correct 36 ms 672 KB Output is correct
39 Correct 31 ms 848 KB Output is correct
40 Correct 19 ms 680 KB Output is correct
41 Correct 26 ms 924 KB Output is correct
42 Partially correct 28 ms 688 KB Output is partially correct
43 Correct 7 ms 600 KB Output is correct
44 Correct 27 ms 596 KB Output is correct
45 Correct 27 ms 672 KB Output is correct
46 Correct 22 ms 936 KB Output is correct
47 Correct 22 ms 600 KB Output is correct
48 Correct 21 ms 924 KB Output is correct