//IOI 2013
#include "cave.h"
#include<bits/stdc++.h>
using namespace std;
int ask(int m, int good, int n, vector<int>& x, int comb[], int connect[]){
int ask[n];
for(int i=0; i<n; i++){
ask[i] = comb[i];
}
for(int i=0; i<=m; i++){
ask[x[i]] = good;
}
for(int i=m+1; i<(int)x.size(); i++){
ask[x[i]] = 1-good;
}
return tryCombination(ask);
}
void exploreCave(int N) {
const int n=N;
vector<int> x(n);
iota(x.begin(), x.end(), 0);
int comb[n];
int connect[n];
for(int i=0; i<n; i++){
comb[i] = 0;
connect[i] = -1;
}
for(int i=0; i<n; i++){
int door = tryCombination(comb);
assert(door==-1 || i<=door);
int good;
if(door==-1 || i<door){ //door i was open
good = 0;
}
else{
good = 1;
}
int l=0; int r=x.size()-1;
int ans=0;
while(l<=r){
int m=l+(r-l)/2;
int door = ask(m, good, n, x, comb, connect);
if(door == -1 || i < door){
ans = m;
r = m-1;
}
else{
l = m+1;
}
}
comb[x[ans]] = good;
connect[x[ans]] = i;
x.erase(x.begin() + ans);
}
answer(comb, connect);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
102 ms |
424 KB |
Output is correct |
2 |
Correct |
102 ms |
428 KB |
Output is correct |
3 |
Correct |
182 ms |
444 KB |
Output is correct |
4 |
Correct |
108 ms |
340 KB |
Output is correct |
5 |
Correct |
170 ms |
444 KB |
Output is correct |
6 |
Correct |
173 ms |
448 KB |
Output is correct |
7 |
Correct |
170 ms |
448 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
158 ms |
448 KB |
Output is correct |
13 |
Correct |
201 ms |
448 KB |
Output is correct |
14 |
Correct |
162 ms |
444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
174 ms |
448 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
182 ms |
448 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
181 ms |
444 KB |
Output is correct |
7 |
Correct |
182 ms |
444 KB |
Output is correct |
8 |
Correct |
181 ms |
388 KB |
Output is correct |
9 |
Correct |
182 ms |
448 KB |
Output is correct |
10 |
Correct |
210 ms |
444 KB |
Output is correct |
11 |
Correct |
193 ms |
448 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
308 KB |
Output is correct |
8 |
Correct |
1 ms |
300 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
300 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
308 KB |
Output is correct |
8 |
Correct |
1 ms |
300 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
300 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
300 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
25 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
26 ms |
356 KB |
Output is correct |
24 |
Correct |
24 ms |
320 KB |
Output is correct |
25 |
Correct |
24 ms |
320 KB |
Output is correct |
26 |
Correct |
2 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
23 ms |
352 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
23 ms |
340 KB |
Output is correct |
31 |
Correct |
24 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
23 ms |
340 KB |
Output is correct |
36 |
Correct |
23 ms |
320 KB |
Output is correct |
37 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
102 ms |
424 KB |
Output is correct |
2 |
Correct |
102 ms |
428 KB |
Output is correct |
3 |
Correct |
182 ms |
444 KB |
Output is correct |
4 |
Correct |
108 ms |
340 KB |
Output is correct |
5 |
Correct |
170 ms |
444 KB |
Output is correct |
6 |
Correct |
173 ms |
448 KB |
Output is correct |
7 |
Correct |
170 ms |
448 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
158 ms |
448 KB |
Output is correct |
13 |
Correct |
201 ms |
448 KB |
Output is correct |
14 |
Correct |
162 ms |
444 KB |
Output is correct |
15 |
Correct |
174 ms |
448 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
182 ms |
448 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
181 ms |
444 KB |
Output is correct |
21 |
Correct |
182 ms |
444 KB |
Output is correct |
22 |
Correct |
181 ms |
388 KB |
Output is correct |
23 |
Correct |
182 ms |
448 KB |
Output is correct |
24 |
Correct |
210 ms |
444 KB |
Output is correct |
25 |
Correct |
193 ms |
448 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
308 KB |
Output is correct |
33 |
Correct |
1 ms |
300 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
300 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
300 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
25 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
212 KB |
Output is correct |
47 |
Correct |
1 ms |
212 KB |
Output is correct |
48 |
Correct |
26 ms |
356 KB |
Output is correct |
49 |
Correct |
24 ms |
320 KB |
Output is correct |
50 |
Correct |
24 ms |
320 KB |
Output is correct |
51 |
Correct |
2 ms |
212 KB |
Output is correct |
52 |
Correct |
0 ms |
212 KB |
Output is correct |
53 |
Correct |
23 ms |
352 KB |
Output is correct |
54 |
Correct |
1 ms |
212 KB |
Output is correct |
55 |
Correct |
23 ms |
340 KB |
Output is correct |
56 |
Correct |
24 ms |
340 KB |
Output is correct |
57 |
Correct |
1 ms |
212 KB |
Output is correct |
58 |
Correct |
1 ms |
212 KB |
Output is correct |
59 |
Correct |
1 ms |
212 KB |
Output is correct |
60 |
Correct |
23 ms |
340 KB |
Output is correct |
61 |
Correct |
23 ms |
320 KB |
Output is correct |
62 |
Correct |
0 ms |
212 KB |
Output is correct |
63 |
Correct |
102 ms |
424 KB |
Output is correct |
64 |
Correct |
101 ms |
420 KB |
Output is correct |
65 |
Correct |
162 ms |
340 KB |
Output is correct |
66 |
Correct |
110 ms |
424 KB |
Output is correct |
67 |
Correct |
184 ms |
440 KB |
Output is correct |
68 |
Correct |
157 ms |
456 KB |
Output is correct |
69 |
Correct |
171 ms |
468 KB |
Output is correct |
70 |
Correct |
1 ms |
212 KB |
Output is correct |
71 |
Correct |
0 ms |
304 KB |
Output is correct |
72 |
Correct |
163 ms |
444 KB |
Output is correct |
73 |
Correct |
157 ms |
468 KB |
Output is correct |
74 |
Correct |
156 ms |
444 KB |
Output is correct |
75 |
Correct |
182 ms |
448 KB |
Output is correct |
76 |
Correct |
0 ms |
212 KB |
Output is correct |
77 |
Correct |
0 ms |
212 KB |
Output is correct |
78 |
Correct |
174 ms |
444 KB |
Output is correct |
79 |
Correct |
187 ms |
448 KB |
Output is correct |
80 |
Correct |
184 ms |
448 KB |
Output is correct |
81 |
Correct |
183 ms |
444 KB |
Output is correct |
82 |
Correct |
184 ms |
448 KB |
Output is correct |
83 |
Correct |
189 ms |
444 KB |
Output is correct |
84 |
Correct |
1 ms |
212 KB |
Output is correct |
85 |
Correct |
30 ms |
376 KB |
Output is correct |
86 |
Correct |
174 ms |
448 KB |
Output is correct |
87 |
Correct |
1 ms |
212 KB |
Output is correct |
88 |
Correct |
0 ms |
212 KB |
Output is correct |
89 |
Correct |
23 ms |
340 KB |
Output is correct |
90 |
Correct |
26 ms |
356 KB |
Output is correct |
91 |
Correct |
23 ms |
356 KB |
Output is correct |
92 |
Correct |
171 ms |
444 KB |
Output is correct |
93 |
Correct |
198 ms |
444 KB |
Output is correct |
94 |
Correct |
177 ms |
448 KB |
Output is correct |
95 |
Correct |
0 ms |
212 KB |
Output is correct |
96 |
Correct |
1 ms |
212 KB |
Output is correct |
97 |
Correct |
169 ms |
340 KB |
Output is correct |
98 |
Correct |
23 ms |
340 KB |
Output is correct |
99 |
Correct |
165 ms |
444 KB |
Output is correct |
100 |
Correct |
1 ms |
212 KB |
Output is correct |
101 |
Correct |
25 ms |
340 KB |
Output is correct |
102 |
Correct |
24 ms |
312 KB |
Output is correct |
103 |
Correct |
173 ms |
340 KB |
Output is correct |
104 |
Correct |
1 ms |
212 KB |
Output is correct |
105 |
Correct |
1 ms |
212 KB |
Output is correct |
106 |
Correct |
1 ms |
284 KB |
Output is correct |
107 |
Correct |
23 ms |
340 KB |
Output is correct |
108 |
Correct |
23 ms |
340 KB |
Output is correct |
109 |
Correct |
186 ms |
444 KB |
Output is correct |
110 |
Correct |
186 ms |
448 KB |
Output is correct |
111 |
Correct |
1 ms |
212 KB |
Output is correct |