oj.uz

Submission #80254

# Submission time Handle Problem Language Result Execution time Memory
80254 2018-10-19T16:55:25 Z Bodo171 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 993 ms 66560 KB 
#include <cstdio>


using namespace std;
const int nmax=(1<<20);
char s[20],str[nmax];
char t;
char pc[nmax];
int sub[nmax],supra[nmax];
int l,q,i,j,m0,m1,mq,ans,cnt;
char mn;
bool brk;
int main()
{
    scanf("%d%d",&l,&q);
    scanf("%s",&str);
    for(i=0;i<(1<<l);i++)
    {
        if(i!=0)
            pc[i]=pc[(i&(i-1))]+1;
        sub[i]=supra[i]=str[i]=str[i]-'0';
    }
    for(i=0;i<l;i++)
        for(j=0;j<(1<<l);j++)
           if(((1<<i)&j))
              sub[j]+=sub[(j^(1<<i))];
            else supra[j]+=supra[(j^(1<<i))];
    for(cnt=1;cnt<=q;cnt++)
    {
        scanf("%s",&s);
        m0=m1=mq=0;
        for(j=l-1;j>=0;j--)
        {
            t=s[l-1-j];
            if(t=='0') m0|=(1<<j);
            else if(t=='1') m1|=(1<<j);
             else mq|=(1<<j);
        }
        mn=pc[m0];
        if(pc[m1]<mn) mn=pc[m1];
        if(pc[mq]<mn) mn=pc[mq];
        ans=0;brk=0;
        if(mn==pc[m0])
        {
            ans=supra[m1];
            i=m0;
            while(i!=0)
            {
                if((pc[i]&1)) ans-=supra[(i|m1)];
                else ans+=supra[(i|m1)];
                i=((i-1)&m0);
            }
        }
        else
        {
            if(mn==pc[m1])
            {
                i=m1;
                while(!brk)
                {
                    if(i==0)
                        brk=1;
                    if(((pc[m1]-pc[i])&1)) ans-=sub[(i|mq)];
                    else ans+=sub[(i|mq)];
                    i=((i-1)&m1);
                }
            }
            else
            {
                    i=mq;
                    while(!brk)
                    {
                        ans+=str[(m1|i)];
                        if(i==0)
                            brk=1;
                        i=((i-1)&mq);
                    }
            }
        }
        printf("%d\n",ans);
    }
    return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:16:20: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1048576]' [-Wformat=]
     scanf("%s",&str);
                ~~~~^
snake_escaping.cpp:30:22: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[20]' [-Wformat=]
         scanf("%s",&s);
                    ~~^
snake_escaping.cpp:15:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&l,&q);
     ~~~~~^~~~~~~~~~~~~~
snake_escaping.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s",&str);
     ~~~~~^~~~~~~~~~~
snake_escaping.cpp:30:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",&s);
         ~~~~~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 480 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 576 KB Output is correct
7 Correct 2 ms 716 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 480 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 576 KB Output is correct
7 Correct 2 ms 716 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 266 ms 10240 KB Output is correct
12 Correct 293 ms 11524 KB Output is correct
13 Correct 316 ms 13068 KB Output is correct
14 Correct 323 ms 13216 KB Output is correct
15 Correct 311 ms 14064 KB Output is correct
16 Correct 317 ms 14064 KB Output is correct
17 Correct 347 ms 16892 KB Output is correct
18 Correct 236 ms 18716 KB Output is correct
19 Correct 265 ms 18716 KB Output is correct
20 Correct 278 ms 18716 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 480 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 576 KB Output is correct
7 Correct 2 ms 716 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 266 ms 10240 KB Output is correct
12 Correct 293 ms 11524 KB Output is correct
13 Correct 316 ms 13068 KB Output is correct
14 Correct 323 ms 13216 KB Output is correct
15 Correct 311 ms 14064 KB Output is correct
16 Correct 317 ms 14064 KB Output is correct
17 Correct 347 ms 16892 KB Output is correct
18 Correct 236 ms 18716 KB Output is correct
19 Correct 265 ms 18716 KB Output is correct
20 Correct 278 ms 18716 KB Output is correct
21 Correct 325 ms 18716 KB Output is correct
22 Correct 334 ms 20196 KB Output is correct
23 Correct 374 ms 20196 KB Output is correct
24 Correct 405 ms 20196 KB Output is correct
25 Correct 352 ms 22624 KB Output is correct
26 Correct 403 ms 22624 KB Output is correct
27 Correct 397 ms 22624 KB Output is correct
28 Correct 302 ms 25036 KB Output is correct
29 Correct 334 ms 25036 KB Output is correct
30 Correct 356 ms 25176 KB Output is correct
31 Correct 397 ms 25176 KB Output is correct
32 Correct 403 ms 25188 KB Output is correct
33 Correct 378 ms 25956 KB Output is correct
34 Correct 415 ms 26164 KB Output is correct
35 Correct 404 ms 26568 KB Output is correct
36 Correct 258 ms 26568 KB Output is correct
37 Correct 357 ms 29080 KB Output is correct
38 Correct 349 ms 29080 KB Output is correct
39 Correct 414 ms 29080 KB Output is correct
40 Correct 404 ms 29080 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 480 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 576 KB Output is correct
7 Correct 2 ms 716 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 75 ms 35460 KB Output is correct
12 Correct 70 ms 35588 KB Output is correct
13 Correct 74 ms 35588 KB Output is correct
14 Correct 91 ms 35604 KB Output is correct
15 Correct 68 ms 37312 KB Output is correct
16 Correct 91 ms 37312 KB Output is correct
17 Correct 82 ms 37320 KB Output is correct
18 Correct 77 ms 37320 KB Output is correct
19 Correct 67 ms 37320 KB Output is correct
20 Correct 76 ms 37320 KB Output is correct
21 Correct 89 ms 37320 KB Output is correct
22 Correct 118 ms 37320 KB Output is correct
23 Correct 67 ms 37320 KB Output is correct
24 Correct 90 ms 37320 KB Output is correct
25 Correct 85 ms 37320 KB Output is correct
26 Correct 59 ms 37320 KB Output is correct
27 Correct 66 ms 37320 KB Output is correct
28 Correct 69 ms 37320 KB Output is correct
29 Correct 78 ms 37320 KB Output is correct
30 Correct 81 ms 37320 KB Output is correct
31 Correct 71 ms 37320 KB Output is correct
32 Correct 89 ms 37320 KB Output is correct
33 Correct 87 ms 37320 KB Output is correct
34 Correct 57 ms 37320 KB Output is correct
35 Correct 80 ms 37320 KB Output is correct
36 Correct 82 ms 37320 KB Output is correct
37 Correct 89 ms 37320 KB Output is correct
38 Correct 96 ms 37320 KB Output is correct
39 Correct 86 ms 37320 KB Output is correct
40 Correct 81 ms 37320 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 480 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 576 KB Output is correct
7 Correct 2 ms 716 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 266 ms 10240 KB Output is correct
12 Correct 293 ms 11524 KB Output is correct
13 Correct 316 ms 13068 KB Output is correct
14 Correct 323 ms 13216 KB Output is correct
15 Correct 311 ms 14064 KB Output is correct
16 Correct 317 ms 14064 KB Output is correct
17 Correct 347 ms 16892 KB Output is correct
18 Correct 236 ms 18716 KB Output is correct
19 Correct 265 ms 18716 KB Output is correct
20 Correct 278 ms 18716 KB Output is correct
21 Correct 325 ms 18716 KB Output is correct
22 Correct 334 ms 20196 KB Output is correct
23 Correct 374 ms 20196 KB Output is correct
24 Correct 405 ms 20196 KB Output is correct
25 Correct 352 ms 22624 KB Output is correct
26 Correct 403 ms 22624 KB Output is correct
27 Correct 397 ms 22624 KB Output is correct
28 Correct 302 ms 25036 KB Output is correct
29 Correct 334 ms 25036 KB Output is correct
30 Correct 356 ms 25176 KB Output is correct
31 Correct 397 ms 25176 KB Output is correct
32 Correct 403 ms 25188 KB Output is correct
33 Correct 378 ms 25956 KB Output is correct
34 Correct 415 ms 26164 KB Output is correct
35 Correct 404 ms 26568 KB Output is correct
36 Correct 258 ms 26568 KB Output is correct
37 Correct 357 ms 29080 KB Output is correct
38 Correct 349 ms 29080 KB Output is correct
39 Correct 414 ms 29080 KB Output is correct
40 Correct 404 ms 29080 KB Output is correct
41 Correct 75 ms 35460 KB Output is correct
42 Correct 70 ms 35588 KB Output is correct
43 Correct 74 ms 35588 KB Output is correct
44 Correct 91 ms 35604 KB Output is correct
45 Correct 68 ms 37312 KB Output is correct
46 Correct 91 ms 37312 KB Output is correct
47 Correct 82 ms 37320 KB Output is correct
48 Correct 77 ms 37320 KB Output is correct
49 Correct 67 ms 37320 KB Output is correct
50 Correct 76 ms 37320 KB Output is correct
51 Correct 89 ms 37320 KB Output is correct
52 Correct 118 ms 37320 KB Output is correct
53 Correct 67 ms 37320 KB Output is correct
54 Correct 90 ms 37320 KB Output is correct
55 Correct 85 ms 37320 KB Output is correct
56 Correct 59 ms 37320 KB Output is correct
57 Correct 66 ms 37320 KB Output is correct
58 Correct 69 ms 37320 KB Output is correct
59 Correct 78 ms 37320 KB Output is correct
60 Correct 81 ms 37320 KB Output is correct
61 Correct 71 ms 37320 KB Output is correct
62 Correct 89 ms 37320 KB Output is correct
63 Correct 87 ms 37320 KB Output is correct
64 Correct 57 ms 37320 KB Output is correct
65 Correct 80 ms 37320 KB Output is correct
66 Correct 82 ms 37320 KB Output is correct
67 Correct 89 ms 37320 KB Output is correct
68 Correct 96 ms 37320 KB Output is correct
69 Correct 86 ms 37320 KB Output is correct
70 Correct 81 ms 37320 KB Output is correct
71 Correct 604 ms 41940 KB Output is correct
72 Correct 603 ms 42064 KB Output is correct
73 Correct 635 ms 42064 KB Output is correct
74 Correct 911 ms 42892 KB Output is correct
75 Correct 573 ms 46544 KB Output is correct
76 Correct 951 ms 46544 KB Output is correct
77 Correct 910 ms 46544 KB Output is correct
78 Correct 373 ms 48288 KB Output is correct
79 Correct 486 ms 48288 KB Output is correct
80 Correct 563 ms 49056 KB Output is correct
81 Correct 670 ms 49056 KB Output is correct
82 Correct 802 ms 49056 KB Output is correct
83 Correct 563 ms 54096 KB Output is correct
84 Correct 960 ms 54844 KB Output is correct
85 Correct 834 ms 55060 KB Output is correct
86 Correct 356 ms 55060 KB Output is correct
87 Correct 506 ms 57492 KB Output is correct
88 Correct 472 ms 57492 KB Output is correct
89 Correct 651 ms 57492 KB Output is correct
90 Correct 654 ms 57492 KB Output is correct
91 Correct 580 ms 57492 KB Output is correct
92 Runtime error 993 ms 66560 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
93 Halted 0 ms 0 KB -