oj.uz

Submission #1081581

# Submission time Handle Problem Language Result Execution time Memory
1081581 2024-08-30T07:45:55 Z MMihalev Cave (IOI13_cave) C++14
100 / 100
 463 ms 824 KB 
#include<iostream>
#include<vector>
#include<algorithm>
#include<cmath>
#include "cave.h"
using namespace std;
const int MAX_N=5e3+5;
int lights[MAX_N];
int used[MAX_N];
int s[MAX_N];
int d[MAX_N];
void flip(int x)
{
    for(int i=0;i<=x;i++)
    {
        if(used[i])continue;
        lights[i]=1-lights[i];
    }
}
void exploreCave(int N)
{
    for(int it=0;it<N;it++)
    {
        int door=tryCombination(lights);
        int closed=(door==it ? 1 : 0);
        int postochange;

        int l=0,r=N-1;
        int pos;
        while(l<=r)
        {
            int mid=(l+r)/2;
            flip(mid);
            int doornow=tryCombination(lights);

            if((closed && doornow!=it) or (!closed && doornow==it))
            {
                pos=mid;
                postochange=lights[pos];
                r=mid-1;
            }
            else l=mid+1;

            flip(mid);
        }
        d[pos]=it;
        used[pos]=1;
        if(closed)s[pos]=postochange;
        else s[pos]=1-postochange;
        lights[pos]=s[pos];
    }
    answer(s,d);
}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:50:20: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   50 |         lights[pos]=s[pos];
      |         ~~~~~~~~~~~^~~~~~~
cave.cpp:49:22: warning: 'postochange' may be used uninitialized in this function [-Wmaybe-uninitialized]
   49 |         else s[pos]=1-postochange;
      |                     ~^~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 223 ms 348 KB Output is correct
2 Correct 222 ms 344 KB Output is correct
3 Correct 349 ms 592 KB Output is correct
4 Correct 265 ms 540 KB Output is correct
5 Correct 395 ms 592 KB Output is correct
6 Correct 346 ms 560 KB Output is correct
7 Correct 463 ms 808 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 376 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 350 ms 564 KB Output is correct
13 Correct 364 ms 344 KB Output is correct
14 Correct 358 ms 548 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 386 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 338 ms 348 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 390 ms 564 KB Output is correct
7 Correct 289 ms 592 KB Output is correct
8 Correct 404 ms 576 KB Output is correct
9 Correct 414 ms 576 KB Output is correct
10 Correct 406 ms 344 KB Output is correct
11 Correct 285 ms 348 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 39 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 55 ms 348 KB Output is correct
24 Correct 57 ms 348 KB Output is correct
25 Correct 56 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 49 ms 516 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 39 ms 348 KB Output is correct
31 Correct 40 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 424 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 56 ms 348 KB Output is correct
36 Correct 56 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 223 ms 348 KB Output is correct
2 Correct 222 ms 344 KB Output is correct
3 Correct 349 ms 592 KB Output is correct
4 Correct 265 ms 540 KB Output is correct
5 Correct 395 ms 592 KB Output is correct
6 Correct 346 ms 560 KB Output is correct
7 Correct 463 ms 808 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 376 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 350 ms 564 KB Output is correct
13 Correct 364 ms 344 KB Output is correct
14 Correct 358 ms 548 KB Output is correct
15 Correct 386 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 338 ms 348 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 390 ms 564 KB Output is correct
21 Correct 289 ms 592 KB Output is correct
22 Correct 404 ms 576 KB Output is correct
23 Correct 414 ms 576 KB Output is correct
24 Correct 406 ms 344 KB Output is correct
25 Correct 285 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 39 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 55 ms 348 KB Output is correct
49 Correct 57 ms 348 KB Output is correct
50 Correct 56 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 49 ms 516 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 39 ms 348 KB Output is correct
56 Correct 40 ms 344 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 0 ms 424 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 56 ms 348 KB Output is correct
61 Correct 56 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 224 ms 560 KB Output is correct
64 Correct 223 ms 344 KB Output is correct
65 Correct 346 ms 344 KB Output is correct
66 Correct 253 ms 684 KB Output is correct
67 Correct 387 ms 348 KB Output is correct
68 Correct 362 ms 552 KB Output is correct
69 Correct 388 ms 552 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 346 ms 560 KB Output is correct
73 Correct 340 ms 564 KB Output is correct
74 Correct 362 ms 552 KB Output is correct
75 Correct 335 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 393 ms 556 KB Output is correct
79 Correct 283 ms 536 KB Output is correct
80 Correct 436 ms 600 KB Output is correct
81 Correct 411 ms 344 KB Output is correct
82 Correct 429 ms 780 KB Output is correct
83 Correct 284 ms 348 KB Output is correct
84 Correct 0 ms 360 KB Output is correct
85 Correct 40 ms 508 KB Output is correct
86 Correct 269 ms 348 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 56 ms 348 KB Output is correct
90 Correct 55 ms 344 KB Output is correct
91 Correct 56 ms 344 KB Output is correct
92 Correct 429 ms 576 KB Output is correct
93 Correct 422 ms 576 KB Output is correct
94 Correct 398 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 308 ms 564 KB Output is correct
98 Correct 49 ms 344 KB Output is correct
99 Correct 348 ms 824 KB Output is correct
100 Correct 0 ms 344 KB Output is correct
101 Correct 40 ms 508 KB Output is correct
102 Correct 40 ms 504 KB Output is correct
103 Correct 270 ms 348 KB Output is correct
104 Correct 1 ms 344 KB Output is correct
105 Correct 0 ms 348 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 56 ms 504 KB Output is correct
108 Correct 55 ms 344 KB Output is correct
109 Correct 429 ms 592 KB Output is correct
110 Correct 399 ms 344 KB Output is correct
111 Correct 0 ms 344 KB Output is correct