oj.uz

Submission #649611

# Submission time Handle Problem Language Result Execution time Memory
649611 2022-10-11T03:56:12 Z PoonYaPat Library (JOI18_library) C++14
100 / 100
 1010 ms 57720 KB 
#include <bits/stdc++.h>
#include "library.h"
using namespace std;

map<vector<int> ,int> have;

int query(vector<int> x) {
    bool check=false;
    for (int i=0; i<x.size(); ++i) if (x[i]) check=true;
    if (!check) return -1;
    else {
        if (!have[x]) have[x]=Query(x);
        return have[x];
    }
}

void Solve(int n) {
	int now=-1,pre=-1,ed;
	vector<int> test,ans;
	if (n==1) {
        ans.push_back(1);
        Answer(ans);
        return ;
	}
	for (int i=0; i<n; ++i) test.push_back(1);
	for (int i=0; i<n; ++i) {
        test[i]=0;
        if (query(test)==1) {
            if (now==-1) now=i;
            else ed=i;
        }
        test[i]=1;
	}
	ans.push_back(now+1);
	for (int i=0; i<n-1; ++i) {
        int l=0, r=n-1;
        while (l<r) {
            int mid=(l+r)/2;
            for (int i=0; i<n; ++i) {
                if (i==pre) test[i]=0;
                else if (i>=mid+1 && i<=r) test[i]=1;
                else test[i]=0;
            }
            int k1=query(test);
            test[now]=1-test[now];
            int k2=query(test);

            if (k1==k2) l=mid+1;
            else r=mid;
        }
        ans.push_back(r+1);
        pre=now; now=r;
	}
	Answer(ans);
}

Compilation message

library.cpp: In function 'int query(std::vector<int>)':
library.cpp:9:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for (int i=0; i<x.size(); ++i) if (x[i]) check=true;
      |                   ~^~~~~~~~~
library.cpp: In function 'void Solve(int)':
library.cpp:18:20: warning: variable 'ed' set but not used [-Wunused-but-set-variable]
   18 |  int now=-1,pre=-1,ed;
      |                    ^~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 1864 KB # of queries: 1971
2 Correct 44 ms 1872 KB # of queries: 1923
3 Correct 44 ms 2092 KB # of queries: 2070
4 Correct 47 ms 1992 KB # of queries: 2040
5 Correct 49 ms 2040 KB # of queries: 2048
6 Correct 45 ms 1976 KB # of queries: 2059
7 Correct 51 ms 2004 KB # of queries: 2044
8 Correct 42 ms 1892 KB # of queries: 1967
9 Correct 50 ms 2040 KB # of queries: 2033
10 Correct 21 ms 968 KB # of queries: 1221
11 Correct 0 ms 208 KB # of queries: 0
12 Correct 0 ms 208 KB # of queries: 3
13 Correct 1 ms 208 KB # of queries: 5
14 Correct 1 ms 208 KB # of queries: 10
15 Correct 2 ms 208 KB # of queries: 88
16 Correct 4 ms 336 KB # of queries: 185

Subtask #2
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 1864 KB # of queries: 1971
2 Correct 44 ms 1872 KB # of queries: 1923
3 Correct 44 ms 2092 KB # of queries: 2070
4 Correct 47 ms 1992 KB # of queries: 2040
5 Correct 49 ms 2040 KB # of queries: 2048
6 Correct 45 ms 1976 KB # of queries: 2059
7 Correct 51 ms 2004 KB # of queries: 2044
8 Correct 42 ms 1892 KB # of queries: 1967
9 Correct 50 ms 2040 KB # of queries: 2033
10 Correct 21 ms 968 KB # of queries: 1221
11 Correct 0 ms 208 KB # of queries: 0
12 Correct 0 ms 208 KB # of queries: 3
13 Correct 1 ms 208 KB # of queries: 5
14 Correct 1 ms 208 KB # of queries: 10
15 Correct 2 ms 208 KB # of queries: 88
16 Correct 4 ms 336 KB # of queries: 185
17 Correct 776 ms 50652 KB # of queries: 12566
18 Correct 728 ms 49604 KB # of queries: 12438
19 Correct 788 ms 51048 KB # of queries: 12588
20 Correct 695 ms 44788 KB # of queries: 11794
21 Correct 670 ms 40068 KB # of queries: 11095
22 Correct 778 ms 50736 KB # of queries: 12563
23 Correct 750 ms 50700 KB # of queries: 12590
24 Correct 213 ms 12788 KB # of queries: 5954
25 Correct 667 ms 48612 KB # of queries: 12292
26 Correct 688 ms 43144 KB # of queries: 11572
27 Correct 211 ms 12772 KB # of queries: 5928
28 Correct 1010 ms 57720 KB # of queries: 14332
29 Correct 955 ms 57544 KB # of queries: 14316
30 Correct 942 ms 57628 KB # of queries: 14332