oj.uz

Submission #859363

# Submission time Handle Problem Language Result Execution time Memory
859363 2023-10-10T05:06:09 Z kim Rarest Insects (IOI22_insects) C++17
99.95 / 100
 39 ms 1672 KB 
#include "insects.h"
#include<bits/stdc++.h>

using namespace std;

#define in move_inside
#define press press_button
#define out move_outside

set<int> mp,mp2,mp3;
int n,p,k0;

bool check(int k1){
    stack<int> st;
    for(int i=0;i<n;++i){
        if(mp.count(i)) continue;
        if(mp3.count(i)) continue;
        in(i);
        if(press()>k1) out(i);
        else{
            mp.insert(i),st.push(i);
            if(mp.size()==p*k1) break;
        }
    }
    if(mp.size()==p*k1){
        k0=k1;
        for(auto &e:mp) if(mp2.count(e)) mp2.erase(e);
        return 1;
    }
    stack<int> st2;
    for(auto &e:mp2){
        if(!mp.count(e)) st2.push(e);
    }
    while(!st2.empty()){
        mp2.erase(st2.top());
        mp3.insert(st2.top());
        st2.pop();
    }
    while(st.size()){
        mp.erase(st.top());
        out(st.top());
        st.pop();
    }
    return 0;
}

int min_cardinality(int N){
    n=N;
    for(int i=0;i<n;++i){
        in(i);
        if(press()>1) out(i),mp2.insert(i);
        else mp.insert(i);
    }
    p=mp.size();
    k0=1;

    int l=1,r=n/p;
    while(l<r){
        int mid=l+(r-l+1>>1);
        if(check(mid)) l=mid;
        else r=mid-1;
    }
    return l;
}

Compilation message

insects.cpp: In function 'bool check(int)':
insects.cpp:22:25: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |             if(mp.size()==p*k1) break;
      |                ~~~~~~~~~^~~~~~
insects.cpp:25:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |     if(mp.size()==p*k1){
      |        ~~~~~~~~~^~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:59:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   59 |         int mid=l+(r-l+1>>1);
      |                    ~~~^~

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 0 ms 344 KB Output is correct
6 Correct 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 4 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 2 ms 1112 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 3 ms 444 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 600 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 0 ms 344 KB Output is correct
6 Correct 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 4 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 2 ms 1112 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 3 ms 444 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 8 ms 1368 KB Output is correct
24 Correct 4 ms 1220 KB Output is correct
25 Correct 11 ms 1168 KB Output is correct
26 Correct 12 ms 1112 KB Output is correct
27 Correct 12 ms 624 KB Output is correct
28 Correct 5 ms 856 KB Output is correct
29 Correct 14 ms 956 KB Output is correct
30 Correct 12 ms 1112 KB Output is correct
31 Correct 11 ms 832 KB Output is correct
32 Correct 10 ms 856 KB Output is correct
33 Correct 11 ms 344 KB Output is correct
34 Correct 12 ms 848 KB Output is correct
35 Correct 13 ms 600 KB Output is correct
36 Correct 13 ms 956 KB Output is correct
37 Correct 16 ms 848 KB Output is correct
38 Correct 11 ms 1120 KB Output is correct
39 Correct 10 ms 856 KB Output is correct
40 Correct 7 ms 888 KB Output is correct
41 Correct 5 ms 856 KB Output is correct

Subtask #3
74.95 / 75.0

# 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 1 ms 344 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 18 ms 876 KB Output is correct
8 Correct 8 ms 1112 KB Output is correct
9 Correct 24 ms 1016 KB Output is correct
10 Correct 35 ms 1148 KB Output is correct
11 Correct 30 ms 996 KB Output is correct
12 Correct 17 ms 992 KB Output is correct
13 Correct 28 ms 1228 KB Output is correct
14 Correct 30 ms 900 KB Output is correct
15 Correct 20 ms 1116 KB Output is correct
16 Correct 19 ms 1368 KB Output is correct
17 Correct 24 ms 1112 KB Output is correct
18 Correct 24 ms 600 KB Output is correct
19 Correct 24 ms 1180 KB Output is correct
20 Correct 23 ms 1392 KB Output is correct
21 Correct 31 ms 1368 KB Output is correct
22 Correct 29 ms 1420 KB Output is correct
23 Correct 26 ms 1492 KB Output is correct
24 Correct 28 ms 1624 KB Output is correct
25 Correct 13 ms 1632 KB Output is correct
26 Correct 12 ms 904 KB Output is correct
27 Correct 27 ms 892 KB Output is correct
28 Correct 24 ms 1672 KB Output is correct
29 Correct 27 ms 1368 KB Output is correct
30 Correct 28 ms 1036 KB Output is correct
31 Correct 26 ms 1364 KB Output is correct
32 Correct 30 ms 1016 KB Output is correct
33 Correct 29 ms 1624 KB Output is correct
34 Correct 25 ms 876 KB Output is correct
35 Partially correct 28 ms 1196 KB Output is partially correct
36 Correct 24 ms 740 KB Output is correct
37 Correct 26 ms 1524 KB Output is correct
38 Correct 30 ms 1648 KB Output is correct
39 Correct 39 ms 856 KB Output is correct
40 Correct 15 ms 600 KB Output is correct
41 Correct 27 ms 1368 KB Output is correct
42 Partially correct 36 ms 1496 KB Output is partially correct
43 Correct 8 ms 600 KB Output is correct
44 Correct 21 ms 1112 KB Output is correct
45 Correct 19 ms 1616 KB Output is correct
46 Correct 18 ms 860 KB Output is correct
47 Correct 13 ms 856 KB Output is correct
48 Correct 17 ms 868 KB Output is correct