oj.uz

Submission #80246

# Submission time Handle Problem Language Result Execution time Memory
80246 2018-10-19T16:40:22 Z Bodo171 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 1067 ms 66240 KB 
#include <cstdio>


using namespace std;
const int nmax=(1<<20)+5;
char s[22],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()
{
    //freopen("data.in","r",stdin);
    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+=(int)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:17:20: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1048581]' [-Wformat=]
     scanf("%s",&str);
                ~~~~^
snake_escaping.cpp:31:22: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[22]' [-Wformat=]
         scanf("%s",&s);
                    ~~^
snake_escaping.cpp:16:10: 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:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s",&str);
     ~~~~~^~~~~~~~~~~
snake_escaping.cpp:31:14: 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 3 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 2 ms 656 KB Output is correct
5 Correct 2 ms 656 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 656 KB Output is correct
8 Correct 2 ms 656 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 2 ms 656 KB Output is correct
5 Correct 2 ms 656 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 656 KB Output is correct
8 Correct 2 ms 656 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct
11 Correct 287 ms 5684 KB Output is correct
12 Correct 308 ms 5684 KB Output is correct
13 Correct 383 ms 5684 KB Output is correct
14 Correct 333 ms 5684 KB Output is correct
15 Correct 321 ms 6096 KB Output is correct
16 Correct 345 ms 6096 KB Output is correct
17 Correct 357 ms 6096 KB Output is correct
18 Correct 255 ms 7948 KB Output is correct
19 Correct 274 ms 7948 KB Output is correct
20 Correct 329 ms 7948 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 2 ms 656 KB Output is correct
5 Correct 2 ms 656 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 656 KB Output is correct
8 Correct 2 ms 656 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct
11 Correct 287 ms 5684 KB Output is correct
12 Correct 308 ms 5684 KB Output is correct
13 Correct 383 ms 5684 KB Output is correct
14 Correct 333 ms 5684 KB Output is correct
15 Correct 321 ms 6096 KB Output is correct
16 Correct 345 ms 6096 KB Output is correct
17 Correct 357 ms 6096 KB Output is correct
18 Correct 255 ms 7948 KB Output is correct
19 Correct 274 ms 7948 KB Output is correct
20 Correct 329 ms 7948 KB Output is correct
21 Correct 334 ms 7948 KB Output is correct
22 Correct 348 ms 7948 KB Output is correct
23 Correct 407 ms 7948 KB Output is correct
24 Correct 429 ms 7948 KB Output is correct
25 Correct 360 ms 8624 KB Output is correct
26 Correct 422 ms 8624 KB Output is correct
27 Correct 478 ms 8624 KB Output is correct
28 Correct 255 ms 9608 KB Output is correct
29 Correct 371 ms 9608 KB Output is correct
30 Correct 341 ms 9608 KB Output is correct
31 Correct 378 ms 9608 KB Output is correct
32 Correct 398 ms 9608 KB Output is correct
33 Correct 343 ms 9608 KB Output is correct
34 Correct 437 ms 9608 KB Output is correct
35 Correct 401 ms 9608 KB Output is correct
36 Correct 246 ms 9608 KB Output is correct
37 Correct 318 ms 9608 KB Output is correct
38 Correct 331 ms 9608 KB Output is correct
39 Correct 379 ms 9608 KB Output is correct
40 Correct 401 ms 9608 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 2 ms 656 KB Output is correct
5 Correct 2 ms 656 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 656 KB Output is correct
8 Correct 2 ms 656 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct
11 Correct 70 ms 15344 KB Output is correct
12 Correct 70 ms 15376 KB Output is correct
13 Correct 95 ms 15544 KB Output is correct
14 Correct 80 ms 15856 KB Output is correct
15 Correct 67 ms 15856 KB Output is correct
16 Correct 84 ms 15856 KB Output is correct
17 Correct 95 ms 15856 KB Output is correct
18 Correct 58 ms 15856 KB Output is correct
19 Correct 68 ms 15856 KB Output is correct
20 Correct 72 ms 15856 KB Output is correct
21 Correct 74 ms 15856 KB Output is correct
22 Correct 78 ms 15856 KB Output is correct
23 Correct 94 ms 15856 KB Output is correct
24 Correct 94 ms 15856 KB Output is correct
25 Correct 90 ms 15856 KB Output is correct
26 Correct 58 ms 15856 KB Output is correct
27 Correct 71 ms 15856 KB Output is correct
28 Correct 75 ms 15856 KB Output is correct
29 Correct 74 ms 15856 KB Output is correct
30 Correct 74 ms 15856 KB Output is correct
31 Correct 76 ms 15856 KB Output is correct
32 Correct 92 ms 15856 KB Output is correct
33 Correct 88 ms 15856 KB Output is correct
34 Correct 61 ms 15856 KB Output is correct
35 Correct 81 ms 15856 KB Output is correct
36 Correct 108 ms 15856 KB Output is correct
37 Correct 81 ms 15856 KB Output is correct
38 Correct 111 ms 15856 KB Output is correct
39 Correct 83 ms 15856 KB Output is correct
40 Correct 87 ms 15856 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 2 ms 656 KB Output is correct
5 Correct 2 ms 656 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 656 KB Output is correct
8 Correct 2 ms 656 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct
11 Correct 287 ms 5684 KB Output is correct
12 Correct 308 ms 5684 KB Output is correct
13 Correct 383 ms 5684 KB Output is correct
14 Correct 333 ms 5684 KB Output is correct
15 Correct 321 ms 6096 KB Output is correct
16 Correct 345 ms 6096 KB Output is correct
17 Correct 357 ms 6096 KB Output is correct
18 Correct 255 ms 7948 KB Output is correct
19 Correct 274 ms 7948 KB Output is correct
20 Correct 329 ms 7948 KB Output is correct
21 Correct 334 ms 7948 KB Output is correct
22 Correct 348 ms 7948 KB Output is correct
23 Correct 407 ms 7948 KB Output is correct
24 Correct 429 ms 7948 KB Output is correct
25 Correct 360 ms 8624 KB Output is correct
26 Correct 422 ms 8624 KB Output is correct
27 Correct 478 ms 8624 KB Output is correct
28 Correct 255 ms 9608 KB Output is correct
29 Correct 371 ms 9608 KB Output is correct
30 Correct 341 ms 9608 KB Output is correct
31 Correct 378 ms 9608 KB Output is correct
32 Correct 398 ms 9608 KB Output is correct
33 Correct 343 ms 9608 KB Output is correct
34 Correct 437 ms 9608 KB Output is correct
35 Correct 401 ms 9608 KB Output is correct
36 Correct 246 ms 9608 KB Output is correct
37 Correct 318 ms 9608 KB Output is correct
38 Correct 331 ms 9608 KB Output is correct
39 Correct 379 ms 9608 KB Output is correct
40 Correct 401 ms 9608 KB Output is correct
41 Correct 70 ms 15344 KB Output is correct
42 Correct 70 ms 15376 KB Output is correct
43 Correct 95 ms 15544 KB Output is correct
44 Correct 80 ms 15856 KB Output is correct
45 Correct 67 ms 15856 KB Output is correct
46 Correct 84 ms 15856 KB Output is correct
47 Correct 95 ms 15856 KB Output is correct
48 Correct 58 ms 15856 KB Output is correct
49 Correct 68 ms 15856 KB Output is correct
50 Correct 72 ms 15856 KB Output is correct
51 Correct 74 ms 15856 KB Output is correct
52 Correct 78 ms 15856 KB Output is correct
53 Correct 94 ms 15856 KB Output is correct
54 Correct 94 ms 15856 KB Output is correct
55 Correct 90 ms 15856 KB Output is correct
56 Correct 58 ms 15856 KB Output is correct
57 Correct 71 ms 15856 KB Output is correct
58 Correct 75 ms 15856 KB Output is correct
59 Correct 74 ms 15856 KB Output is correct
60 Correct 74 ms 15856 KB Output is correct
61 Correct 76 ms 15856 KB Output is correct
62 Correct 92 ms 15856 KB Output is correct
63 Correct 88 ms 15856 KB Output is correct
64 Correct 61 ms 15856 KB Output is correct
65 Correct 81 ms 15856 KB Output is correct
66 Correct 108 ms 15856 KB Output is correct
67 Correct 81 ms 15856 KB Output is correct
68 Correct 111 ms 15856 KB Output is correct
69 Correct 83 ms 15856 KB Output is correct
70 Correct 87 ms 15856 KB Output is correct
71 Correct 690 ms 20436 KB Output is correct
72 Correct 645 ms 20712 KB Output is correct
73 Correct 724 ms 20712 KB Output is correct
74 Correct 1008 ms 20712 KB Output is correct
75 Correct 531 ms 22216 KB Output is correct
76 Correct 971 ms 22216 KB Output is correct
77 Correct 937 ms 22216 KB Output is correct
78 Correct 364 ms 24136 KB Output is correct
79 Correct 508 ms 24136 KB Output is correct
80 Correct 611 ms 24136 KB Output is correct
81 Correct 793 ms 24136 KB Output is correct
82 Correct 843 ms 24136 KB Output is correct
83 Correct 635 ms 41828 KB Output is correct
84 Correct 1067 ms 42548 KB Output is correct
85 Correct 985 ms 42768 KB Output is correct
86 Correct 369 ms 61860 KB Output is correct
87 Correct 586 ms 64836 KB Output is correct
88 Correct 552 ms 64836 KB Output is correct
89 Correct 712 ms 64836 KB Output is correct
90 Correct 705 ms 65260 KB Output is correct
91 Runtime error 559 ms 66240 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.
92 Halted 0 ms 0 KB -