oj.uz

Submission #859390

# Submission time Handle Problem Language Result Execution time Memory
859390 2023-10-10T05:56:39 Z kim Rarest Insects (IOI22_insects) C++17
99.83 / 100
 35 ms 1640 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;

bool check(int k1){
    stack<int> st;
    for(int i=0;i<n;++i){
        if(mp.size()==p*k1) break;
        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){
        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();

    int l=1,r=(n+p)/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:16:21: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   16 |         if(mp.size()==p*k1) break;
      |            ~~~~~~~~~^~~~~~
insects.cpp:23:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |     if(mp.size()==p*k1){
      |        ~~~~~~~~~^~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:55:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |         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 344 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 2 ms 600 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 600 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 600 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 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 2 ms 600 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 600 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 600 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 8 ms 972 KB Output is correct
24 Correct 5 ms 952 KB Output is correct
25 Correct 10 ms 984 KB Output is correct
26 Correct 17 ms 1640 KB Output is correct
27 Correct 13 ms 1112 KB Output is correct
28 Correct 6 ms 856 KB Output is correct
29 Correct 14 ms 740 KB Output is correct
30 Correct 16 ms 604 KB Output is correct
31 Correct 10 ms 892 KB Output is correct
32 Correct 10 ms 856 KB Output is correct
33 Correct 15 ms 856 KB Output is correct
34 Correct 11 ms 600 KB Output is correct
35 Correct 11 ms 1212 KB Output is correct
36 Correct 13 ms 1204 KB Output is correct
37 Correct 15 ms 868 KB Output is correct
38 Correct 12 ms 600 KB Output is correct
39 Correct 9 ms 868 KB Output is correct
40 Correct 7 ms 868 KB Output is correct
41 Correct 5 ms 344 KB Output is correct

Subtask #3
74.83 / 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 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 0 ms 344 KB Output is correct
7 Correct 19 ms 600 KB Output is correct
8 Correct 9 ms 1220 KB Output is correct
9 Correct 21 ms 916 KB Output is correct
10 Correct 32 ms 1464 KB Output is correct
11 Correct 30 ms 868 KB Output is correct
12 Correct 17 ms 856 KB Output is correct
13 Correct 32 ms 1040 KB Output is correct
14 Correct 26 ms 1264 KB Output is correct
15 Correct 21 ms 1236 KB Output is correct
16 Correct 28 ms 1164 KB Output is correct
17 Correct 22 ms 1380 KB Output is correct
18 Correct 28 ms 1008 KB Output is correct
19 Correct 25 ms 1160 KB Output is correct
20 Correct 25 ms 1112 KB Output is correct
21 Correct 31 ms 1624 KB Output is correct
22 Correct 35 ms 1056 KB Output is correct
23 Correct 26 ms 1140 KB Output is correct
24 Correct 19 ms 964 KB Output is correct
25 Correct 14 ms 1164 KB Output is correct
26 Correct 14 ms 916 KB Output is correct
27 Correct 24 ms 1412 KB Output is correct
28 Correct 18 ms 856 KB Output is correct
29 Correct 32 ms 1624 KB Output is correct
30 Correct 28 ms 1284 KB Output is correct
31 Correct 27 ms 1008 KB Output is correct
32 Partially correct 28 ms 1220 KB Output is partially correct
33 Correct 32 ms 1628 KB Output is correct
34 Correct 23 ms 996 KB Output is correct
35 Correct 28 ms 1116 KB Output is correct
36 Correct 21 ms 1236 KB Output is correct
37 Correct 27 ms 1180 KB Output is correct
38 Correct 30 ms 652 KB Output is correct
39 Correct 34 ms 856 KB Output is correct
40 Correct 17 ms 1412 KB Output is correct
41 Correct 31 ms 1204 KB Output is correct
42 Correct 29 ms 1504 KB Output is correct
43 Correct 7 ms 864 KB Output is correct
44 Correct 28 ms 1216 KB Output is correct
45 Correct 21 ms 856 KB Output is correct
46 Correct 15 ms 1176 KB Output is correct
47 Correct 14 ms 876 KB Output is correct
48 Correct 13 ms 1124 KB Output is correct