oj.uz

Submission #549860

# Submission time Handle Problem Language Result Execution time Memory
549860 2022-04-16T17:13:45 Z Pherokung A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 66 ms 336 KB 
#include <bits/stdc++.h>
#include "books.h"
#define ll long long
using namespace std;

ll arr[25],a,chk=0,diff[100005];
vector<pair<ll,int> > V;

void gen(ll lv, ll til, ll k){
	if(lv == til){
		ll cnt = 0, val = 0;
		for(int i=0;i<til;i++){
			cnt += arr[i];
			if(arr[i]) val += V[i].first;
//			printf("%d ",arr[i]);
		}
//		printf(" : %d %d %d %d\n",cnt,val,k,a);
		if(cnt == k && val >= a && val <= 2*a && !chk){
			vector<int> ANS;
			for(int i=0;i<til;i++) if(arr[i]) ANS.push_back(V[i].second);
			answer(ANS);
			chk = 1;	
		}
		return;
	}
	
	arr[lv] = 0;
	gen(lv+1,til,k);
	arr[lv] = 1;
	gen(lv+1,til,k);
}

void solve(int n, int k, long long A, int s){
	ll be = 1,ed = n;
	a = A;
    while(be <= ed){
        ll mid = (be+ed)/2,val;
        diff[mid] = skim(mid);
		if(diff[mid] > a) ed = mid-1;
		else be = mid+1;		
    }
    if(ed != n) ed++;
//    printf("ed = %d %d\n",ed,a);
    if(ed < k){
		impossible();
		return;
	}
	for(int i=1;i<=k;i++){
		if(!diff[i]) diff[i] = skim(i);
		V.push_back({diff[i],i});
	}
	for(int i=max((ll)k+1,ed-k+1);i<=ed;i++){
		if(!diff[i]) diff[i] = skim(i);
		V.push_back({diff[i],i});
	}
    
    gen(0,V.size(),k);
    
    if(!chk) impossible();
}

/*
8 3 33 8
1 32 33 56 67 78 89 100

8 3 3 8
1 2 3 4 5 6 7 8
*/

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:37:28: warning: unused variable 'val' [-Wunused-variable]
   37 |         ll mid = (be+ed)/2,val;
      |                            ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 24 ms 308 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 53 ms 308 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 48 ms 208 KB Output is correct
16 Correct 49 ms 208 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 26 ms 292 KB Output is correct
3 Correct 30 ms 320 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 49 ms 336 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 26 ms 292 KB Output is correct
3 Correct 30 ms 320 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 49 ms 336 KB Output is correct
10 Correct 2 ms 296 KB Output is correct
11 Correct 26 ms 304 KB Output is correct
12 Correct 26 ms 296 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 0 ms 296 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 53 ms 304 KB Output is correct
19 Correct 25 ms 336 KB Output is correct
20 Correct 24 ms 288 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 292 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 336 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 26 ms 292 KB Output is correct
3 Correct 30 ms 320 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 49 ms 336 KB Output is correct
10 Correct 2 ms 296 KB Output is correct
11 Correct 26 ms 304 KB Output is correct
12 Correct 26 ms 296 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 0 ms 296 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 53 ms 304 KB Output is correct
19 Correct 25 ms 336 KB Output is correct
20 Correct 24 ms 288 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 292 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 25 ms 208 KB Output is correct
28 Correct 28 ms 336 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 304 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 1 ms 320 KB Output is correct
34 Correct 53 ms 304 KB Output is correct
35 Correct 29 ms 308 KB Output is correct
36 Correct 24 ms 304 KB Output is correct
37 Correct 1 ms 300 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 1 ms 312 KB Output is correct
41 Correct 1 ms 312 KB Output is correct
42 Correct 1 ms 296 KB Output is correct
43 Correct 1 ms 208 KB Output is correct
44 Correct 24 ms 308 KB Output is correct
45 Correct 1 ms 312 KB Output is correct
46 Correct 1 ms 292 KB Output is correct
47 Correct 1 ms 316 KB Output is correct
48 Correct 1 ms 312 KB Output is correct
49 Correct 48 ms 208 KB Output is correct
50 Correct 57 ms 304 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 26 ms 292 KB Output is correct
3 Correct 30 ms 320 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 49 ms 336 KB Output is correct
10 Correct 2 ms 296 KB Output is correct
11 Correct 26 ms 304 KB Output is correct
12 Correct 26 ms 296 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 0 ms 296 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 53 ms 304 KB Output is correct
19 Correct 25 ms 336 KB Output is correct
20 Correct 24 ms 288 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 292 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 27 ms 300 KB Output is correct
28 Correct 26 ms 304 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 1 ms 300 KB Output is correct
31 Correct 2 ms 304 KB Output is correct
32 Correct 1 ms 288 KB Output is correct
33 Correct 1 ms 304 KB Output is correct
34 Correct 63 ms 308 KB Output is correct
35 Correct 28 ms 300 KB Output is correct
36 Correct 27 ms 208 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 304 KB Output is correct
39 Correct 2 ms 308 KB Output is correct
40 Correct 2 ms 336 KB Output is correct
41 Correct 1 ms 308 KB Output is correct
42 Correct 27 ms 308 KB Output is correct
43 Correct 1 ms 304 KB Output is correct
44 Correct 1 ms 208 KB Output is correct
45 Correct 1 ms 312 KB Output is correct
46 Correct 34 ms 292 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 292 KB Output is correct
49 Correct 1 ms 208 KB Output is correct
50 Correct 1 ms 300 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 26 ms 292 KB Output is correct
3 Correct 30 ms 320 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 49 ms 336 KB Output is correct
10 Correct 2 ms 296 KB Output is correct
11 Correct 26 ms 304 KB Output is correct
12 Correct 26 ms 296 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 0 ms 296 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 53 ms 304 KB Output is correct
19 Correct 25 ms 336 KB Output is correct
20 Correct 24 ms 288 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 292 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 25 ms 208 KB Output is correct
28 Correct 28 ms 336 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 304 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 1 ms 320 KB Output is correct
34 Correct 53 ms 304 KB Output is correct
35 Correct 29 ms 308 KB Output is correct
36 Correct 24 ms 304 KB Output is correct
37 Correct 1 ms 300 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 1 ms 312 KB Output is correct
41 Correct 1 ms 312 KB Output is correct
42 Correct 1 ms 296 KB Output is correct
43 Correct 1 ms 208 KB Output is correct
44 Correct 24 ms 308 KB Output is correct
45 Correct 1 ms 312 KB Output is correct
46 Correct 1 ms 292 KB Output is correct
47 Correct 1 ms 316 KB Output is correct
48 Correct 1 ms 312 KB Output is correct
49 Correct 48 ms 208 KB Output is correct
50 Correct 57 ms 304 KB Output is correct
51 Correct 1 ms 316 KB Output is correct
52 Correct 27 ms 300 KB Output is correct
53 Correct 26 ms 304 KB Output is correct
54 Correct 1 ms 304 KB Output is correct
55 Correct 1 ms 300 KB Output is correct
56 Correct 2 ms 304 KB Output is correct
57 Correct 1 ms 288 KB Output is correct
58 Correct 1 ms 304 KB Output is correct
59 Correct 63 ms 308 KB Output is correct
60 Correct 28 ms 300 KB Output is correct
61 Correct 27 ms 208 KB Output is correct
62 Correct 1 ms 336 KB Output is correct
63 Correct 1 ms 304 KB Output is correct
64 Correct 2 ms 308 KB Output is correct
65 Correct 2 ms 336 KB Output is correct
66 Correct 1 ms 308 KB Output is correct
67 Correct 27 ms 308 KB Output is correct
68 Correct 1 ms 304 KB Output is correct
69 Correct 1 ms 208 KB Output is correct
70 Correct 1 ms 312 KB Output is correct
71 Correct 34 ms 292 KB Output is correct
72 Correct 1 ms 336 KB Output is correct
73 Correct 1 ms 292 KB Output is correct
74 Correct 1 ms 208 KB Output is correct
75 Correct 1 ms 300 KB Output is correct
76 Correct 0 ms 208 KB Output is correct
77 Correct 1 ms 208 KB Output is correct
78 Correct 0 ms 208 KB Output is correct
79 Correct 1 ms 208 KB Output is correct
80 Correct 1 ms 256 KB Output is correct
81 Correct 1 ms 208 KB Output is correct
82 Correct 0 ms 208 KB Output is correct
83 Correct 1 ms 208 KB Output is correct
84 Correct 31 ms 208 KB Output is correct
85 Correct 1 ms 336 KB Output is correct
86 Correct 1 ms 208 KB Output is correct
87 Correct 1 ms 312 KB Output is correct
88 Correct 64 ms 208 KB Output is correct
89 Correct 1 ms 208 KB Output is correct
90 Correct 51 ms 336 KB Output is correct
91 Correct 50 ms 208 KB Output is correct
92 Correct 1 ms 312 KB Output is correct
93 Correct 27 ms 296 KB Output is correct
94 Correct 32 ms 308 KB Output is correct
95 Correct 1 ms 288 KB Output is correct
96 Correct 1 ms 312 KB Output is correct
97 Correct 1 ms 300 KB Output is correct
98 Correct 1 ms 300 KB Output is correct
99 Correct 1 ms 308 KB Output is correct
100 Correct 66 ms 336 KB Output is correct
101 Correct 26 ms 292 KB Output is correct
102 Correct 34 ms 300 KB Output is correct
103 Correct 1 ms 292 KB Output is correct
104 Correct 1 ms 312 KB Output is correct
105 Correct 1 ms 312 KB Output is correct
106 Correct 1 ms 312 KB Output is correct
107 Correct 1 ms 308 KB Output is correct
108 Correct 1 ms 308 KB Output is correct
109 Correct 1 ms 308 KB Output is correct
110 Correct 28 ms 304 KB Output is correct
111 Correct 1 ms 292 KB Output is correct
112 Correct 1 ms 300 KB Output is correct
113 Correct 1 ms 316 KB Output is correct
114 Correct 1 ms 208 KB Output is correct
115 Correct 51 ms 336 KB Output is correct
116 Correct 50 ms 296 KB Output is correct
117 Correct 26 ms 304 KB Output is correct
118 Correct 1 ms 300 KB Output is correct
119 Correct 1 ms 308 KB Output is correct
120 Correct 1 ms 336 KB Output is correct
121 Correct 29 ms 304 KB Output is correct
122 Correct 1 ms 308 KB Output is correct
123 Correct 1 ms 336 KB Output is correct
124 Correct 1 ms 336 KB Output is correct
125 Correct 1 ms 336 KB Output is correct
126 Correct 1 ms 208 KB Output is correct
127 Correct 1 ms 308 KB Output is correct
128 Correct 24 ms 308 KB Output is correct
129 Correct 1 ms 292 KB Output is correct
130 Correct 1 ms 300 KB Output is correct
131 Correct 1 ms 292 KB Output is correct
132 Correct 56 ms 336 KB Output is correct
133 Correct 1 ms 296 KB Output is correct
134 Correct 53 ms 312 KB Output is correct
135 Correct 49 ms 312 KB Output is correct