oj.uz

Submission #80260

# Submission time Handle Problem Language Result Execution time Memory
80260 2018-10-19T17:02:47 Z Bodo171 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 930 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()
{
    //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+=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 (*)[1048576]' [-Wformat=]
     scanf("%s",&str);
                ~~~~^
snake_escaping.cpp:31:22: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[20]' [-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 2 ms 376 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 2 ms 524 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 756 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 2 ms 376 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 2 ms 524 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 756 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct
11 Correct 293 ms 5464 KB Output is correct
12 Correct 338 ms 5464 KB Output is correct
13 Correct 342 ms 5464 KB Output is correct
14 Correct 333 ms 5464 KB Output is correct
15 Correct 327 ms 5740 KB Output is correct
16 Correct 361 ms 5740 KB Output is correct
17 Correct 337 ms 5740 KB Output is correct
18 Correct 256 ms 6780 KB Output is correct
19 Correct 276 ms 6780 KB Output is correct
20 Correct 354 ms 6780 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 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 2 ms 524 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 756 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct
11 Correct 293 ms 5464 KB Output is correct
12 Correct 338 ms 5464 KB Output is correct
13 Correct 342 ms 5464 KB Output is correct
14 Correct 333 ms 5464 KB Output is correct
15 Correct 327 ms 5740 KB Output is correct
16 Correct 361 ms 5740 KB Output is correct
17 Correct 337 ms 5740 KB Output is correct
18 Correct 256 ms 6780 KB Output is correct
19 Correct 276 ms 6780 KB Output is correct
20 Correct 354 ms 6780 KB Output is correct
21 Correct 359 ms 6780 KB Output is correct
22 Correct 345 ms 6780 KB Output is correct
23 Correct 403 ms 6780 KB Output is correct
24 Correct 425 ms 6780 KB Output is correct
25 Correct 362 ms 6852 KB Output is correct
26 Correct 422 ms 6852 KB Output is correct
27 Correct 464 ms 6852 KB Output is correct
28 Correct 273 ms 7756 KB Output is correct
29 Correct 347 ms 7756 KB Output is correct
30 Correct 360 ms 7756 KB Output is correct
31 Correct 433 ms 7756 KB Output is correct
32 Correct 424 ms 7756 KB Output is correct
33 Correct 399 ms 7756 KB Output is correct
34 Correct 473 ms 7756 KB Output is correct
35 Correct 416 ms 7756 KB Output is correct
36 Correct 257 ms 7756 KB Output is correct
37 Correct 327 ms 7756 KB Output is correct
38 Correct 344 ms 7756 KB Output is correct
39 Correct 377 ms 7756 KB Output is correct
40 Correct 406 ms 7756 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 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 2 ms 524 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 756 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct
11 Correct 72 ms 12244 KB Output is correct
12 Correct 81 ms 12244 KB Output is correct
13 Correct 77 ms 12244 KB Output is correct
14 Correct 101 ms 12244 KB Output is correct
15 Correct 68 ms 12352 KB Output is correct
16 Correct 86 ms 12352 KB Output is correct
17 Correct 94 ms 12468 KB Output is correct
18 Correct 62 ms 12532 KB Output is correct
19 Correct 76 ms 12532 KB Output is correct
20 Correct 72 ms 12532 KB Output is correct
21 Correct 73 ms 12532 KB Output is correct
22 Correct 88 ms 12532 KB Output is correct
23 Correct 69 ms 12532 KB Output is correct
24 Correct 89 ms 12532 KB Output is correct
25 Correct 92 ms 12532 KB Output is correct
26 Correct 59 ms 12532 KB Output is correct
27 Correct 92 ms 12532 KB Output is correct
28 Correct 70 ms 12532 KB Output is correct
29 Correct 79 ms 12532 KB Output is correct
30 Correct 76 ms 12532 KB Output is correct
31 Correct 73 ms 12532 KB Output is correct
32 Correct 100 ms 12532 KB Output is correct
33 Correct 93 ms 12532 KB Output is correct
34 Correct 63 ms 12532 KB Output is correct
35 Correct 77 ms 12532 KB Output is correct
36 Correct 115 ms 12532 KB Output is correct
37 Correct 81 ms 12532 KB Output is correct
38 Correct 79 ms 12532 KB Output is correct
39 Correct 83 ms 12532 KB Output is correct
40 Correct 81 ms 12532 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 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 2 ms 524 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 756 KB Output is correct
9 Correct 2 ms 756 KB Output is correct
10 Correct 2 ms 756 KB Output is correct
11 Correct 293 ms 5464 KB Output is correct
12 Correct 338 ms 5464 KB Output is correct
13 Correct 342 ms 5464 KB Output is correct
14 Correct 333 ms 5464 KB Output is correct
15 Correct 327 ms 5740 KB Output is correct
16 Correct 361 ms 5740 KB Output is correct
17 Correct 337 ms 5740 KB Output is correct
18 Correct 256 ms 6780 KB Output is correct
19 Correct 276 ms 6780 KB Output is correct
20 Correct 354 ms 6780 KB Output is correct
21 Correct 359 ms 6780 KB Output is correct
22 Correct 345 ms 6780 KB Output is correct
23 Correct 403 ms 6780 KB Output is correct
24 Correct 425 ms 6780 KB Output is correct
25 Correct 362 ms 6852 KB Output is correct
26 Correct 422 ms 6852 KB Output is correct
27 Correct 464 ms 6852 KB Output is correct
28 Correct 273 ms 7756 KB Output is correct
29 Correct 347 ms 7756 KB Output is correct
30 Correct 360 ms 7756 KB Output is correct
31 Correct 433 ms 7756 KB Output is correct
32 Correct 424 ms 7756 KB Output is correct
33 Correct 399 ms 7756 KB Output is correct
34 Correct 473 ms 7756 KB Output is correct
35 Correct 416 ms 7756 KB Output is correct
36 Correct 257 ms 7756 KB Output is correct
37 Correct 327 ms 7756 KB Output is correct
38 Correct 344 ms 7756 KB Output is correct
39 Correct 377 ms 7756 KB Output is correct
40 Correct 406 ms 7756 KB Output is correct
41 Correct 72 ms 12244 KB Output is correct
42 Correct 81 ms 12244 KB Output is correct
43 Correct 77 ms 12244 KB Output is correct
44 Correct 101 ms 12244 KB Output is correct
45 Correct 68 ms 12352 KB Output is correct
46 Correct 86 ms 12352 KB Output is correct
47 Correct 94 ms 12468 KB Output is correct
48 Correct 62 ms 12532 KB Output is correct
49 Correct 76 ms 12532 KB Output is correct
50 Correct 72 ms 12532 KB Output is correct
51 Correct 73 ms 12532 KB Output is correct
52 Correct 88 ms 12532 KB Output is correct
53 Correct 69 ms 12532 KB Output is correct
54 Correct 89 ms 12532 KB Output is correct
55 Correct 92 ms 12532 KB Output is correct
56 Correct 59 ms 12532 KB Output is correct
57 Correct 92 ms 12532 KB Output is correct
58 Correct 70 ms 12532 KB Output is correct
59 Correct 79 ms 12532 KB Output is correct
60 Correct 76 ms 12532 KB Output is correct
61 Correct 73 ms 12532 KB Output is correct
62 Correct 100 ms 12532 KB Output is correct
63 Correct 93 ms 12532 KB Output is correct
64 Correct 63 ms 12532 KB Output is correct
65 Correct 77 ms 12532 KB Output is correct
66 Correct 115 ms 12532 KB Output is correct
67 Correct 81 ms 12532 KB Output is correct
68 Correct 79 ms 12532 KB Output is correct
69 Correct 83 ms 12532 KB Output is correct
70 Correct 81 ms 12532 KB Output is correct
71 Correct 587 ms 17100 KB Output is correct
72 Correct 583 ms 17224 KB Output is correct
73 Correct 686 ms 17224 KB Output is correct
74 Correct 868 ms 17224 KB Output is correct
75 Correct 567 ms 18660 KB Output is correct
76 Correct 930 ms 18660 KB Output is correct
77 Correct 913 ms 18660 KB Output is correct
78 Correct 442 ms 20548 KB Output is correct
79 Correct 565 ms 20548 KB Output is correct
80 Correct 663 ms 20548 KB Output is correct
81 Correct 794 ms 20548 KB Output is correct
82 Correct 806 ms 20548 KB Output is correct
83 Correct 612 ms 20548 KB Output is correct
84 Correct 890 ms 20548 KB Output is correct
85 Correct 898 ms 20548 KB Output is correct
86 Correct 354 ms 20548 KB Output is correct
87 Correct 542 ms 20548 KB Output is correct
88 Correct 467 ms 20548 KB Output is correct
89 Correct 577 ms 20548 KB Output is correct
90 Correct 625 ms 20548 KB Output is correct
91 Correct 511 ms 20548 KB Output is correct
92 Correct 843 ms 20548 KB Output is correct
93 Correct 856 ms 20548 KB Output is correct
94 Correct 352 ms 20548 KB Output is correct
95 Correct 772 ms 20548 KB Output is correct
96 Correct 768 ms 31500 KB Output is correct
97 Correct 693 ms 31500 KB Output is correct
98 Correct 718 ms 31500 KB Output is correct
99 Correct 743 ms 53004 KB Output is correct
100 Runtime error 713 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.