oj.uz

Submission #859436

# Submission time Handle Problem Language Result Execution time Memory
859436 2023-10-10T07:19:36 Z kim Rarest Insects (IOI22_insects) C++17
99.83 / 100
 34 ms 1680 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-1)/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 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 612 KB Output is correct
7 Correct 1 ms 436 KB Output is correct
8 Correct 3 ms 684 KB Output is correct
9 Correct 3 ms 1112 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 1 ms 440 KB Output is correct
12 Correct 3 ms 448 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 612 KB Output is correct
18 Correct 3 ms 856 KB Output is correct
19 Correct 2 ms 696 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 416 KB Output is correct
22 Correct 2 ms 600 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 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 612 KB Output is correct
7 Correct 1 ms 436 KB Output is correct
8 Correct 3 ms 684 KB Output is correct
9 Correct 3 ms 1112 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 1 ms 440 KB Output is correct
12 Correct 3 ms 448 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 612 KB Output is correct
18 Correct 3 ms 856 KB Output is correct
19 Correct 2 ms 696 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 416 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
23 Correct 10 ms 704 KB Output is correct
24 Correct 4 ms 964 KB Output is correct
25 Correct 13 ms 1208 KB Output is correct
26 Correct 13 ms 1248 KB Output is correct
27 Correct 13 ms 1388 KB Output is correct
28 Correct 10 ms 856 KB Output is correct
29 Correct 13 ms 976 KB Output is correct
30 Correct 17 ms 876 KB Output is correct
31 Correct 16 ms 1136 KB Output is correct
32 Correct 14 ms 856 KB Output is correct
33 Correct 14 ms 976 KB Output is correct
34 Correct 12 ms 652 KB Output is correct
35 Correct 11 ms 856 KB Output is correct
36 Correct 12 ms 1368 KB Output is correct
37 Correct 14 ms 856 KB Output is correct
38 Correct 13 ms 724 KB Output is correct
39 Correct 11 ms 876 KB Output is correct
40 Correct 7 ms 848 KB Output is correct
41 Correct 8 ms 960 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 1 ms 344 KB Output is correct
3 Correct 1 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 19 ms 948 KB Output is correct
8 Correct 9 ms 856 KB Output is correct
9 Correct 25 ms 1028 KB Output is correct
10 Correct 33 ms 1284 KB Output is correct
11 Correct 26 ms 1136 KB Output is correct
12 Correct 14 ms 740 KB Output is correct
13 Correct 29 ms 1136 KB Output is correct
14 Correct 33 ms 952 KB Output is correct
15 Correct 21 ms 1560 KB Output is correct
16 Correct 23 ms 848 KB Output is correct
17 Correct 21 ms 988 KB Output is correct
18 Correct 26 ms 1376 KB Output is correct
19 Correct 24 ms 1244 KB Output is correct
20 Correct 30 ms 1112 KB Output is correct
21 Correct 30 ms 1232 KB Output is correct
22 Correct 32 ms 984 KB Output is correct
23 Correct 29 ms 1400 KB Output is correct
24 Correct 23 ms 1216 KB Output is correct
25 Correct 19 ms 992 KB Output is correct
26 Correct 18 ms 864 KB Output is correct
27 Correct 27 ms 1680 KB Output is correct
28 Correct 23 ms 600 KB Output is correct
29 Correct 31 ms 1188 KB Output is correct
30 Correct 30 ms 1520 KB Output is correct
31 Correct 28 ms 856 KB Output is correct
32 Partially correct 32 ms 1272 KB Output is partially correct
33 Correct 29 ms 1264 KB Output is correct
34 Correct 25 ms 784 KB Output is correct
35 Correct 30 ms 864 KB Output is correct
36 Correct 23 ms 884 KB Output is correct
37 Correct 32 ms 1212 KB Output is correct
38 Correct 34 ms 976 KB Output is correct
39 Correct 25 ms 1472 KB Output is correct
40 Correct 19 ms 852 KB Output is correct
41 Correct 21 ms 1620 KB Output is correct
42 Correct 28 ms 1244 KB Output is correct
43 Correct 7 ms 600 KB Output is correct
44 Correct 25 ms 1212 KB Output is correct
45 Correct 21 ms 1208 KB Output is correct
46 Correct 14 ms 856 KB Output is correct
47 Correct 14 ms 1112 KB Output is correct
48 Correct 16 ms 1428 KB Output is correct