oj.uz

Submission #80251

# Submission time Handle Problem Language Result Execution time Memory
80251 2018-10-19T16:47:26 Z Bodo171 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 1020 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 2 ms 456 KB Output is correct
3 Correct 3 ms 456 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 752 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 456 KB Output is correct
3 Correct 3 ms 456 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 752 KB Output is correct
11 Correct 295 ms 6864 KB Output is correct
12 Correct 432 ms 6864 KB Output is correct
13 Correct 340 ms 6864 KB Output is correct
14 Correct 351 ms 6864 KB Output is correct
15 Correct 305 ms 7676 KB Output is correct
16 Correct 336 ms 7676 KB Output is correct
17 Correct 349 ms 8460 KB Output is correct
18 Correct 243 ms 10076 KB Output is correct
19 Correct 274 ms 10076 KB Output is correct
20 Correct 316 ms 10076 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 456 KB Output is correct
3 Correct 3 ms 456 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 752 KB Output is correct
11 Correct 295 ms 6864 KB Output is correct
12 Correct 432 ms 6864 KB Output is correct
13 Correct 340 ms 6864 KB Output is correct
14 Correct 351 ms 6864 KB Output is correct
15 Correct 305 ms 7676 KB Output is correct
16 Correct 336 ms 7676 KB Output is correct
17 Correct 349 ms 8460 KB Output is correct
18 Correct 243 ms 10076 KB Output is correct
19 Correct 274 ms 10076 KB Output is correct
20 Correct 316 ms 10076 KB Output is correct
21 Correct 353 ms 10076 KB Output is correct
22 Correct 362 ms 10076 KB Output is correct
23 Correct 403 ms 10076 KB Output is correct
24 Correct 426 ms 10076 KB Output is correct
25 Correct 380 ms 10696 KB Output is correct
26 Correct 426 ms 10696 KB Output is correct
27 Correct 429 ms 10696 KB Output is correct
28 Correct 285 ms 12108 KB Output is correct
29 Correct 329 ms 12108 KB Output is correct
30 Correct 359 ms 12108 KB Output is correct
31 Correct 394 ms 12108 KB Output is correct
32 Correct 402 ms 12108 KB Output is correct
33 Correct 385 ms 12108 KB Output is correct
34 Correct 416 ms 12108 KB Output is correct
35 Correct 407 ms 12108 KB Output is correct
36 Correct 269 ms 12108 KB Output is correct
37 Correct 333 ms 12108 KB Output is correct
38 Correct 373 ms 12108 KB Output is correct
39 Correct 406 ms 12108 KB Output is correct
40 Correct 416 ms 12108 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 456 KB Output is correct
3 Correct 3 ms 456 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 752 KB Output is correct
11 Correct 68 ms 17628 KB Output is correct
12 Correct 72 ms 17628 KB Output is correct
13 Correct 89 ms 17632 KB Output is correct
14 Correct 87 ms 17756 KB Output is correct
15 Correct 68 ms 18056 KB Output is correct
16 Correct 84 ms 18088 KB Output is correct
17 Correct 87 ms 18092 KB Output is correct
18 Correct 69 ms 18204 KB Output is correct
19 Correct 74 ms 18204 KB Output is correct
20 Correct 68 ms 18204 KB Output is correct
21 Correct 80 ms 18204 KB Output is correct
22 Correct 81 ms 18204 KB Output is correct
23 Correct 68 ms 18204 KB Output is correct
24 Correct 85 ms 18204 KB Output is correct
25 Correct 95 ms 18204 KB Output is correct
26 Correct 64 ms 18204 KB Output is correct
27 Correct 71 ms 18204 KB Output is correct
28 Correct 68 ms 18204 KB Output is correct
29 Correct 79 ms 18204 KB Output is correct
30 Correct 82 ms 18204 KB Output is correct
31 Correct 77 ms 18204 KB Output is correct
32 Correct 88 ms 18204 KB Output is correct
33 Correct 84 ms 18204 KB Output is correct
34 Correct 62 ms 18204 KB Output is correct
35 Correct 86 ms 18204 KB Output is correct
36 Correct 85 ms 18204 KB Output is correct
37 Correct 78 ms 18204 KB Output is correct
38 Correct 82 ms 18204 KB Output is correct
39 Correct 84 ms 18204 KB Output is correct
40 Correct 80 ms 18204 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 456 KB Output is correct
3 Correct 3 ms 456 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 752 KB Output is correct
11 Correct 295 ms 6864 KB Output is correct
12 Correct 432 ms 6864 KB Output is correct
13 Correct 340 ms 6864 KB Output is correct
14 Correct 351 ms 6864 KB Output is correct
15 Correct 305 ms 7676 KB Output is correct
16 Correct 336 ms 7676 KB Output is correct
17 Correct 349 ms 8460 KB Output is correct
18 Correct 243 ms 10076 KB Output is correct
19 Correct 274 ms 10076 KB Output is correct
20 Correct 316 ms 10076 KB Output is correct
21 Correct 353 ms 10076 KB Output is correct
22 Correct 362 ms 10076 KB Output is correct
23 Correct 403 ms 10076 KB Output is correct
24 Correct 426 ms 10076 KB Output is correct
25 Correct 380 ms 10696 KB Output is correct
26 Correct 426 ms 10696 KB Output is correct
27 Correct 429 ms 10696 KB Output is correct
28 Correct 285 ms 12108 KB Output is correct
29 Correct 329 ms 12108 KB Output is correct
30 Correct 359 ms 12108 KB Output is correct
31 Correct 394 ms 12108 KB Output is correct
32 Correct 402 ms 12108 KB Output is correct
33 Correct 385 ms 12108 KB Output is correct
34 Correct 416 ms 12108 KB Output is correct
35 Correct 407 ms 12108 KB Output is correct
36 Correct 269 ms 12108 KB Output is correct
37 Correct 333 ms 12108 KB Output is correct
38 Correct 373 ms 12108 KB Output is correct
39 Correct 406 ms 12108 KB Output is correct
40 Correct 416 ms 12108 KB Output is correct
41 Correct 68 ms 17628 KB Output is correct
42 Correct 72 ms 17628 KB Output is correct
43 Correct 89 ms 17632 KB Output is correct
44 Correct 87 ms 17756 KB Output is correct
45 Correct 68 ms 18056 KB Output is correct
46 Correct 84 ms 18088 KB Output is correct
47 Correct 87 ms 18092 KB Output is correct
48 Correct 69 ms 18204 KB Output is correct
49 Correct 74 ms 18204 KB Output is correct
50 Correct 68 ms 18204 KB Output is correct
51 Correct 80 ms 18204 KB Output is correct
52 Correct 81 ms 18204 KB Output is correct
53 Correct 68 ms 18204 KB Output is correct
54 Correct 85 ms 18204 KB Output is correct
55 Correct 95 ms 18204 KB Output is correct
56 Correct 64 ms 18204 KB Output is correct
57 Correct 71 ms 18204 KB Output is correct
58 Correct 68 ms 18204 KB Output is correct
59 Correct 79 ms 18204 KB Output is correct
60 Correct 82 ms 18204 KB Output is correct
61 Correct 77 ms 18204 KB Output is correct
62 Correct 88 ms 18204 KB Output is correct
63 Correct 84 ms 18204 KB Output is correct
64 Correct 62 ms 18204 KB Output is correct
65 Correct 86 ms 18204 KB Output is correct
66 Correct 85 ms 18204 KB Output is correct
67 Correct 78 ms 18204 KB Output is correct
68 Correct 82 ms 18204 KB Output is correct
69 Correct 84 ms 18204 KB Output is correct
70 Correct 80 ms 18204 KB Output is correct
71 Correct 582 ms 22924 KB Output is correct
72 Correct 593 ms 22948 KB Output is correct
73 Correct 698 ms 22948 KB Output is correct
74 Correct 911 ms 22948 KB Output is correct
75 Correct 522 ms 24324 KB Output is correct
76 Correct 899 ms 24324 KB Output is correct
77 Correct 945 ms 24324 KB Output is correct
78 Correct 378 ms 26220 KB Output is correct
79 Correct 527 ms 26220 KB Output is correct
80 Correct 632 ms 26220 KB Output is correct
81 Correct 734 ms 26220 KB Output is correct
82 Correct 952 ms 26220 KB Output is correct
83 Correct 579 ms 43908 KB Output is correct
84 Correct 1020 ms 44776 KB Output is correct
85 Correct 862 ms 45152 KB Output is correct
86 Correct 355 ms 45152 KB Output is correct
87 Correct 573 ms 59072 KB Output is correct
88 Correct 535 ms 59072 KB Output is correct
89 Correct 683 ms 59072 KB Output is correct
90 Runtime error 695 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.
91 Halted 0 ms 0 KB -