oj.uz

Submission #405967

# Submission time Handle Problem Language Result Execution time Memory
405967 2021-05-17T05:52:31 Z jamezzz A Difficult(y) Choice (BOI21_books) C++14
30 / 100
 271 ms 7384 KB 
#include <bits/stdc++.h>
using namespace std;

#include "books.h"

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#include <ext/rope>
using namespace __gnu_cxx;

typedef tree<long long, null_type, less<long long>,
rb_tree_tag, tree_order_statistics_node_update> pbds;
typedef long long ll;
//less_equal for identical elements
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
//     books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
//     g++ books_sample.cpp sample_grader.cpp
// in this folder.
//

long long a[100005];
bool use[100005];
pbds s;

void solve(int N, int K, long long A, int S) {
    if(N==S&&K==3){
		for(int i=1;i<=N;++i)a[i]=skim(i);
		for(int i=1;i<=N;++i){
			for(int j=i+1;j<=N;++j){
				for(int k=j+1;k<=N;++k){
					if(A<=a[i]+a[j]+a[k]&&a[i]+a[j]+a[k]<=2*A){
						answer({i,j,k});
						return;
					}
				}
			}
		}
		impossible();
	}
	else{
		memset(a,-1,sizeof a);
		ll sm=0;
		for(int i=1;i<=K;++i){
			a[i]=skim(i);
			sm+=a[i];
			use[i]=true;
		}
		if(2*A<sm)impossible();
		else{
			for(int i=K+1;i<=N;++i)s.insert(i);
			for(int i=1;i<=K;++i){
				int lo=1,hi=s.size(),mid,res=0;
				while(lo<=hi){
					mid=(lo+hi)/2;
					int val=*s.find_by_order(mid-1);
					if(a[val]==-1)a[val]=skim(val);
					if(A<=sm+a[val]-a[i]&&sm+a[val]-a[i]<=2*A){
						res=val;break;
					}
					else if(sm+a[val]-a[i]<A){
						lo=mid+1;
						res=val;
					}
					else hi=mid-1;
				}
				if(res!=0){
					s.erase(res);
					s.insert(i);
					sm+=a[res]-a[i];
				}
				if(A<=sm&&sm<=2*A){
					vector<int> ans;
					for(int i=1;i<=N;++i){
						if(s.find(i)==s.end())ans.push_back(i);
					}
					answer(ans);
					return;
				}
			}
			impossible();
		}
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 200 KB Output is correct
2 Correct 14 ms 200 KB Output is correct
3 Correct 14 ms 308 KB Output is correct
4 Correct 174 ms 304 KB Output is correct
5 Correct 13 ms 200 KB Output is correct
6 Correct 7 ms 200 KB Output is correct
7 Correct 12 ms 308 KB Output is correct
8 Correct 119 ms 200 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 200 KB Output is correct
2 Correct 9 ms 200 KB Output is correct
3 Correct 9 ms 200 KB Output is correct
4 Correct 174 ms 300 KB Output is correct
5 Correct 8 ms 304 KB Output is correct
6 Correct 8 ms 200 KB Output is correct
7 Correct 13 ms 312 KB Output is correct
8 Correct 122 ms 200 KB Output is correct
9 Correct 15 ms 2632 KB Output is correct
10 Correct 271 ms 468 KB Output is correct
11 Correct 15 ms 2620 KB Output is correct
12 Correct 17 ms 2544 KB Output is correct
13 Correct 16 ms 2620 KB Output is correct
14 Correct 16 ms 2632 KB Output is correct
15 Incorrect 15 ms 2548 KB Incorrect
16 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 7212 KB Output is correct
2 Correct 74 ms 7216 KB Output is correct
3 Correct 71 ms 7212 KB Output is correct
4 Correct 2 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 968 KB Output is correct
7 Correct 2 ms 968 KB Output is correct
8 Correct 72 ms 7224 KB Output is correct
9 Correct 70 ms 7220 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 7212 KB Output is correct
2 Correct 74 ms 7216 KB Output is correct
3 Correct 71 ms 7212 KB Output is correct
4 Correct 2 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 968 KB Output is correct
7 Correct 2 ms 968 KB Output is correct
8 Correct 72 ms 7224 KB Output is correct
9 Correct 70 ms 7220 KB Output is correct
10 Correct 74 ms 7220 KB Output is correct
11 Correct 75 ms 7216 KB Output is correct
12 Correct 72 ms 7232 KB Output is correct
13 Correct 1 ms 968 KB Output is correct
14 Correct 2 ms 968 KB Output is correct
15 Correct 1 ms 968 KB Output is correct
16 Correct 1 ms 968 KB Output is correct
17 Correct 73 ms 7232 KB Output is correct
18 Correct 75 ms 7292 KB Output is correct
19 Correct 72 ms 7232 KB Output is correct
20 Correct 70 ms 7216 KB Output is correct
21 Correct 2 ms 968 KB Output is correct
22 Correct 1 ms 968 KB Output is correct
23 Correct 72 ms 7232 KB Output is correct
24 Correct 83 ms 7240 KB Output is correct
25 Correct 84 ms 7232 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 7212 KB Output is correct
2 Correct 74 ms 7216 KB Output is correct
3 Correct 71 ms 7212 KB Output is correct
4 Correct 2 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 968 KB Output is correct
7 Correct 2 ms 968 KB Output is correct
8 Correct 72 ms 7224 KB Output is correct
9 Correct 70 ms 7220 KB Output is correct
10 Correct 74 ms 7220 KB Output is correct
11 Correct 75 ms 7216 KB Output is correct
12 Correct 72 ms 7232 KB Output is correct
13 Correct 1 ms 968 KB Output is correct
14 Correct 2 ms 968 KB Output is correct
15 Correct 1 ms 968 KB Output is correct
16 Correct 1 ms 968 KB Output is correct
17 Correct 73 ms 7232 KB Output is correct
18 Correct 75 ms 7292 KB Output is correct
19 Correct 72 ms 7232 KB Output is correct
20 Correct 70 ms 7216 KB Output is correct
21 Correct 2 ms 968 KB Output is correct
22 Correct 1 ms 968 KB Output is correct
23 Correct 72 ms 7232 KB Output is correct
24 Correct 83 ms 7240 KB Output is correct
25 Correct 84 ms 7232 KB Output is correct
26 Correct 73 ms 7232 KB Output is correct
27 Correct 73 ms 7200 KB Output is correct
28 Correct 76 ms 7220 KB Output is correct
29 Correct 2 ms 968 KB Output is correct
30 Correct 1 ms 968 KB Output is correct
31 Correct 1 ms 968 KB Output is correct
32 Correct 1 ms 968 KB Output is correct
33 Correct 72 ms 7220 KB Output is correct
34 Correct 73 ms 7220 KB Output is correct
35 Correct 73 ms 7312 KB Output is correct
36 Correct 77 ms 7232 KB Output is correct
37 Correct 2 ms 968 KB Output is correct
38 Correct 1 ms 968 KB Output is correct
39 Correct 73 ms 7292 KB Output is correct
40 Correct 72 ms 7216 KB Output is correct
41 Correct 72 ms 7220 KB Output is correct
42 Correct 78 ms 7248 KB Output is correct
43 Correct 1 ms 968 KB Output is correct
44 Correct 72 ms 7232 KB Output is correct
45 Correct 1 ms 968 KB Output is correct
46 Correct 81 ms 7208 KB Output is correct
47 Correct 72 ms 7220 KB Output is correct
48 Correct 73 ms 7308 KB Output is correct
49 Incorrect 66 ms 7280 KB Incorrect
50 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 7212 KB Output is correct
2 Correct 74 ms 7216 KB Output is correct
3 Correct 71 ms 7212 KB Output is correct
4 Correct 2 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 968 KB Output is correct
7 Correct 2 ms 968 KB Output is correct
8 Correct 72 ms 7224 KB Output is correct
9 Correct 70 ms 7220 KB Output is correct
10 Correct 74 ms 7220 KB Output is correct
11 Correct 75 ms 7216 KB Output is correct
12 Correct 72 ms 7232 KB Output is correct
13 Correct 1 ms 968 KB Output is correct
14 Correct 2 ms 968 KB Output is correct
15 Correct 1 ms 968 KB Output is correct
16 Correct 1 ms 968 KB Output is correct
17 Correct 73 ms 7232 KB Output is correct
18 Correct 75 ms 7292 KB Output is correct
19 Correct 72 ms 7232 KB Output is correct
20 Correct 70 ms 7216 KB Output is correct
21 Correct 2 ms 968 KB Output is correct
22 Correct 1 ms 968 KB Output is correct
23 Correct 72 ms 7232 KB Output is correct
24 Correct 83 ms 7240 KB Output is correct
25 Correct 84 ms 7232 KB Output is correct
26 Correct 72 ms 7248 KB Output is correct
27 Correct 71 ms 7308 KB Output is correct
28 Correct 72 ms 7384 KB Output is correct
29 Correct 1 ms 968 KB Output is correct
30 Correct 1 ms 968 KB Output is correct
31 Correct 1 ms 968 KB Output is correct
32 Correct 1 ms 968 KB Output is correct
33 Correct 74 ms 7236 KB Output is correct
34 Correct 77 ms 7288 KB Output is correct
35 Correct 80 ms 7208 KB Output is correct
36 Correct 72 ms 7216 KB Output is correct
37 Correct 1 ms 968 KB Output is correct
38 Correct 2 ms 968 KB Output is correct
39 Correct 72 ms 7232 KB Output is correct
40 Correct 75 ms 7228 KB Output is correct
41 Correct 72 ms 7232 KB Output is correct
42 Correct 70 ms 7232 KB Output is correct
43 Correct 1 ms 968 KB Output is correct
44 Correct 1 ms 968 KB Output is correct
45 Correct 2 ms 968 KB Output is correct
46 Correct 81 ms 7232 KB Output is correct
47 Runtime error 60 ms 7228 KB Execution killed with signal 13
48 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 7212 KB Output is correct
2 Correct 74 ms 7216 KB Output is correct
3 Correct 71 ms 7212 KB Output is correct
4 Correct 2 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 968 KB Output is correct
7 Correct 2 ms 968 KB Output is correct
8 Correct 72 ms 7224 KB Output is correct
9 Correct 70 ms 7220 KB Output is correct
10 Correct 74 ms 7220 KB Output is correct
11 Correct 75 ms 7216 KB Output is correct
12 Correct 72 ms 7232 KB Output is correct
13 Correct 1 ms 968 KB Output is correct
14 Correct 2 ms 968 KB Output is correct
15 Correct 1 ms 968 KB Output is correct
16 Correct 1 ms 968 KB Output is correct
17 Correct 73 ms 7232 KB Output is correct
18 Correct 75 ms 7292 KB Output is correct
19 Correct 72 ms 7232 KB Output is correct
20 Correct 70 ms 7216 KB Output is correct
21 Correct 2 ms 968 KB Output is correct
22 Correct 1 ms 968 KB Output is correct
23 Correct 72 ms 7232 KB Output is correct
24 Correct 83 ms 7240 KB Output is correct
25 Correct 84 ms 7232 KB Output is correct
26 Correct 73 ms 7232 KB Output is correct
27 Correct 73 ms 7200 KB Output is correct
28 Correct 76 ms 7220 KB Output is correct
29 Correct 2 ms 968 KB Output is correct
30 Correct 1 ms 968 KB Output is correct
31 Correct 1 ms 968 KB Output is correct
32 Correct 1 ms 968 KB Output is correct
33 Correct 72 ms 7220 KB Output is correct
34 Correct 73 ms 7220 KB Output is correct
35 Correct 73 ms 7312 KB Output is correct
36 Correct 77 ms 7232 KB Output is correct
37 Correct 2 ms 968 KB Output is correct
38 Correct 1 ms 968 KB Output is correct
39 Correct 73 ms 7292 KB Output is correct
40 Correct 72 ms 7216 KB Output is correct
41 Correct 72 ms 7220 KB Output is correct
42 Correct 78 ms 7248 KB Output is correct
43 Correct 1 ms 968 KB Output is correct
44 Correct 72 ms 7232 KB Output is correct
45 Correct 1 ms 968 KB Output is correct
46 Correct 81 ms 7208 KB Output is correct
47 Correct 72 ms 7220 KB Output is correct
48 Correct 73 ms 7308 KB Output is correct
49 Incorrect 66 ms 7280 KB Incorrect
50 Halted 0 ms 0 KB -