oj.uz

Submission #80265

# Submission time Handle Problem Language Result Execution time Memory
80265 2018-10-19T17:03:59 Z Bodo171 Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
 1067 ms 61848 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 348 KB Output is correct
2 Correct 2 ms 392 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 580 KB Output is correct
6 Correct 2 ms 636 KB Output is correct
7 Correct 2 ms 692 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 732 KB Output is correct
10 Correct 2 ms 744 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 392 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 580 KB Output is correct
6 Correct 2 ms 636 KB Output is correct
7 Correct 2 ms 692 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 732 KB Output is correct
10 Correct 2 ms 744 KB Output is correct
11 Correct 270 ms 7428 KB Output is correct
12 Correct 302 ms 7428 KB Output is correct
13 Correct 324 ms 10516 KB Output is correct
14 Correct 348 ms 10632 KB Output is correct
15 Correct 341 ms 11580 KB Output is correct
16 Correct 350 ms 11580 KB Output is correct
17 Correct 434 ms 12624 KB Output is correct
18 Correct 265 ms 14324 KB Output is correct
19 Correct 267 ms 14324 KB Output is correct
20 Correct 276 ms 14324 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 392 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 580 KB Output is correct
6 Correct 2 ms 636 KB Output is correct
7 Correct 2 ms 692 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 732 KB Output is correct
10 Correct 2 ms 744 KB Output is correct
11 Correct 270 ms 7428 KB Output is correct
12 Correct 302 ms 7428 KB Output is correct
13 Correct 324 ms 10516 KB Output is correct
14 Correct 348 ms 10632 KB Output is correct
15 Correct 341 ms 11580 KB Output is correct
16 Correct 350 ms 11580 KB Output is correct
17 Correct 434 ms 12624 KB Output is correct
18 Correct 265 ms 14324 KB Output is correct
19 Correct 267 ms 14324 KB Output is correct
20 Correct 276 ms 14324 KB Output is correct
21 Correct 348 ms 15328 KB Output is correct
22 Correct 345 ms 17356 KB Output is correct
23 Correct 380 ms 17356 KB Output is correct
24 Correct 419 ms 17356 KB Output is correct
25 Correct 360 ms 19004 KB Output is correct
26 Correct 439 ms 19004 KB Output is correct
27 Correct 390 ms 19004 KB Output is correct
28 Correct 256 ms 20688 KB Output is correct
29 Correct 369 ms 20688 KB Output is correct
30 Correct 344 ms 20688 KB Output is correct
31 Correct 370 ms 20688 KB Output is correct
32 Correct 381 ms 20688 KB Output is correct
33 Correct 359 ms 20944 KB Output is correct
34 Correct 395 ms 20984 KB Output is correct
35 Correct 390 ms 21372 KB Output is correct
36 Correct 250 ms 21372 KB Output is correct
37 Correct 329 ms 23344 KB Output is correct
38 Correct 348 ms 23344 KB Output is correct
39 Correct 370 ms 23344 KB Output is correct
40 Correct 421 ms 23344 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 392 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 580 KB Output is correct
6 Correct 2 ms 636 KB Output is correct
7 Correct 2 ms 692 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 732 KB Output is correct
10 Correct 2 ms 744 KB Output is correct
11 Correct 101 ms 29800 KB Output is correct
12 Correct 71 ms 29800 KB Output is correct
13 Correct 78 ms 29800 KB Output is correct
14 Correct 84 ms 29800 KB Output is correct
15 Correct 66 ms 29816 KB Output is correct
16 Correct 92 ms 30584 KB Output is correct
17 Correct 84 ms 30584 KB Output is correct
18 Correct 58 ms 30584 KB Output is correct
19 Correct 87 ms 30584 KB Output is correct
20 Correct 92 ms 30584 KB Output is correct
21 Correct 86 ms 30584 KB Output is correct
22 Correct 83 ms 30584 KB Output is correct
23 Correct 73 ms 30584 KB Output is correct
24 Correct 90 ms 30584 KB Output is correct
25 Correct 88 ms 30584 KB Output is correct
26 Correct 61 ms 30584 KB Output is correct
27 Correct 71 ms 30584 KB Output is correct
28 Correct 76 ms 30584 KB Output is correct
29 Correct 73 ms 30584 KB Output is correct
30 Correct 79 ms 30584 KB Output is correct
31 Correct 67 ms 30584 KB Output is correct
32 Correct 92 ms 30584 KB Output is correct
33 Correct 81 ms 30584 KB Output is correct
34 Correct 58 ms 30584 KB Output is correct
35 Correct 89 ms 30584 KB Output is correct
36 Correct 79 ms 30584 KB Output is correct
37 Correct 75 ms 30584 KB Output is correct
38 Correct 79 ms 30584 KB Output is correct
39 Correct 78 ms 30584 KB Output is correct
40 Correct 80 ms 30584 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 392 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 580 KB Output is correct
6 Correct 2 ms 636 KB Output is correct
7 Correct 2 ms 692 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 732 KB Output is correct
10 Correct 2 ms 744 KB Output is correct
11 Correct 270 ms 7428 KB Output is correct
12 Correct 302 ms 7428 KB Output is correct
13 Correct 324 ms 10516 KB Output is correct
14 Correct 348 ms 10632 KB Output is correct
15 Correct 341 ms 11580 KB Output is correct
16 Correct 350 ms 11580 KB Output is correct
17 Correct 434 ms 12624 KB Output is correct
18 Correct 265 ms 14324 KB Output is correct
19 Correct 267 ms 14324 KB Output is correct
20 Correct 276 ms 14324 KB Output is correct
21 Correct 348 ms 15328 KB Output is correct
22 Correct 345 ms 17356 KB Output is correct
23 Correct 380 ms 17356 KB Output is correct
24 Correct 419 ms 17356 KB Output is correct
25 Correct 360 ms 19004 KB Output is correct
26 Correct 439 ms 19004 KB Output is correct
27 Correct 390 ms 19004 KB Output is correct
28 Correct 256 ms 20688 KB Output is correct
29 Correct 369 ms 20688 KB Output is correct
30 Correct 344 ms 20688 KB Output is correct
31 Correct 370 ms 20688 KB Output is correct
32 Correct 381 ms 20688 KB Output is correct
33 Correct 359 ms 20944 KB Output is correct
34 Correct 395 ms 20984 KB Output is correct
35 Correct 390 ms 21372 KB Output is correct
36 Correct 250 ms 21372 KB Output is correct
37 Correct 329 ms 23344 KB Output is correct
38 Correct 348 ms 23344 KB Output is correct
39 Correct 370 ms 23344 KB Output is correct
40 Correct 421 ms 23344 KB Output is correct
41 Correct 101 ms 29800 KB Output is correct
42 Correct 71 ms 29800 KB Output is correct
43 Correct 78 ms 29800 KB Output is correct
44 Correct 84 ms 29800 KB Output is correct
45 Correct 66 ms 29816 KB Output is correct
46 Correct 92 ms 30584 KB Output is correct
47 Correct 84 ms 30584 KB Output is correct
48 Correct 58 ms 30584 KB Output is correct
49 Correct 87 ms 30584 KB Output is correct
50 Correct 92 ms 30584 KB Output is correct
51 Correct 86 ms 30584 KB Output is correct
52 Correct 83 ms 30584 KB Output is correct
53 Correct 73 ms 30584 KB Output is correct
54 Correct 90 ms 30584 KB Output is correct
55 Correct 88 ms 30584 KB Output is correct
56 Correct 61 ms 30584 KB Output is correct
57 Correct 71 ms 30584 KB Output is correct
58 Correct 76 ms 30584 KB Output is correct
59 Correct 73 ms 30584 KB Output is correct
60 Correct 79 ms 30584 KB Output is correct
61 Correct 67 ms 30584 KB Output is correct
62 Correct 92 ms 30584 KB Output is correct
63 Correct 81 ms 30584 KB Output is correct
64 Correct 58 ms 30584 KB Output is correct
65 Correct 89 ms 30584 KB Output is correct
66 Correct 79 ms 30584 KB Output is correct
67 Correct 75 ms 30584 KB Output is correct
68 Correct 79 ms 30584 KB Output is correct
69 Correct 78 ms 30584 KB Output is correct
70 Correct 80 ms 30584 KB Output is correct
71 Correct 531 ms 35288 KB Output is correct
72 Correct 544 ms 35288 KB Output is correct
73 Correct 605 ms 35288 KB Output is correct
74 Correct 796 ms 35288 KB Output is correct
75 Correct 510 ms 37680 KB Output is correct
76 Correct 790 ms 37680 KB Output is correct
77 Correct 721 ms 37680 KB Output is correct
78 Correct 346 ms 39704 KB Output is correct
79 Correct 449 ms 39704 KB Output is correct
80 Correct 543 ms 39704 KB Output is correct
81 Correct 722 ms 39704 KB Output is correct
82 Correct 678 ms 39704 KB Output is correct
83 Correct 541 ms 39704 KB Output is correct
84 Correct 814 ms 39704 KB Output is correct
85 Correct 886 ms 39704 KB Output is correct
86 Correct 357 ms 39704 KB Output is correct
87 Correct 544 ms 40128 KB Output is correct
88 Correct 509 ms 40128 KB Output is correct
89 Correct 592 ms 40128 KB Output is correct
90 Correct 644 ms 40128 KB Output is correct
91 Correct 526 ms 40128 KB Output is correct
92 Correct 1067 ms 40128 KB Output is correct
93 Correct 888 ms 40128 KB Output is correct
94 Correct 352 ms 40128 KB Output is correct
95 Correct 788 ms 40128 KB Output is correct
96 Correct 735 ms 40136 KB Output is correct
97 Correct 769 ms 40172 KB Output is correct
98 Correct 705 ms 40180 KB Output is correct
99 Correct 646 ms 61636 KB Output is correct
100 Correct 712 ms 61848 KB Output is correct