oj.uz

Submission #80259

# Submission time Handle Problem Language Result Execution time Memory
80259 2018-10-19T17:01:26 Z Bodo171 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 995 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 3 ms 376 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 3 ms 532 KB Output is correct
7 Correct 3 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 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 3 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 3 ms 532 KB Output is correct
7 Correct 3 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 KB Output is correct
11 Correct 298 ms 5460 KB Output is correct
12 Correct 291 ms 5460 KB Output is correct
13 Correct 315 ms 5460 KB Output is correct
14 Correct 320 ms 5460 KB Output is correct
15 Correct 339 ms 5788 KB Output is correct
16 Correct 317 ms 5788 KB Output is correct
17 Correct 332 ms 5788 KB Output is correct
18 Correct 229 ms 6796 KB Output is correct
19 Correct 287 ms 6796 KB Output is correct
20 Correct 277 ms 6796 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 3 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 3 ms 532 KB Output is correct
7 Correct 3 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 KB Output is correct
11 Correct 298 ms 5460 KB Output is correct
12 Correct 291 ms 5460 KB Output is correct
13 Correct 315 ms 5460 KB Output is correct
14 Correct 320 ms 5460 KB Output is correct
15 Correct 339 ms 5788 KB Output is correct
16 Correct 317 ms 5788 KB Output is correct
17 Correct 332 ms 5788 KB Output is correct
18 Correct 229 ms 6796 KB Output is correct
19 Correct 287 ms 6796 KB Output is correct
20 Correct 277 ms 6796 KB Output is correct
21 Correct 330 ms 6796 KB Output is correct
22 Correct 353 ms 6796 KB Output is correct
23 Correct 379 ms 6796 KB Output is correct
24 Correct 402 ms 6796 KB Output is correct
25 Correct 372 ms 6892 KB Output is correct
26 Correct 417 ms 6892 KB Output is correct
27 Correct 400 ms 6892 KB Output is correct
28 Correct 256 ms 7880 KB Output is correct
29 Correct 331 ms 7880 KB Output is correct
30 Correct 371 ms 7880 KB Output is correct
31 Correct 388 ms 7880 KB Output is correct
32 Correct 437 ms 7880 KB Output is correct
33 Correct 373 ms 7880 KB Output is correct
34 Correct 432 ms 7880 KB Output is correct
35 Correct 423 ms 7880 KB Output is correct
36 Correct 255 ms 7880 KB Output is correct
37 Correct 336 ms 7880 KB Output is correct
38 Correct 350 ms 7880 KB Output is correct
39 Correct 385 ms 7880 KB Output is correct
40 Correct 425 ms 7880 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 3 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 3 ms 532 KB Output is correct
7 Correct 3 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 KB Output is correct
11 Correct 72 ms 12228 KB Output is correct
12 Correct 77 ms 12248 KB Output is correct
13 Correct 77 ms 12248 KB Output is correct
14 Correct 134 ms 12248 KB Output is correct
15 Correct 72 ms 12356 KB Output is correct
16 Correct 90 ms 12356 KB Output is correct
17 Correct 125 ms 12356 KB Output is correct
18 Correct 62 ms 12372 KB Output is correct
19 Correct 67 ms 12372 KB Output is correct
20 Correct 71 ms 12372 KB Output is correct
21 Correct 77 ms 12372 KB Output is correct
22 Correct 86 ms 12372 KB Output is correct
23 Correct 87 ms 12372 KB Output is correct
24 Correct 93 ms 12372 KB Output is correct
25 Correct 88 ms 12372 KB Output is correct
26 Correct 61 ms 12372 KB Output is correct
27 Correct 78 ms 12372 KB Output is correct
28 Correct 72 ms 12372 KB Output is correct
29 Correct 77 ms 12372 KB Output is correct
30 Correct 76 ms 12372 KB Output is correct
31 Correct 70 ms 12372 KB Output is correct
32 Correct 87 ms 12372 KB Output is correct
33 Correct 92 ms 12372 KB Output is correct
34 Correct 59 ms 12372 KB Output is correct
35 Correct 89 ms 12372 KB Output is correct
36 Correct 82 ms 12372 KB Output is correct
37 Correct 83 ms 12372 KB Output is correct
38 Correct 81 ms 12372 KB Output is correct
39 Correct 92 ms 12372 KB Output is correct
40 Correct 92 ms 12372 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 3 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 3 ms 532 KB Output is correct
7 Correct 3 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 KB Output is correct
11 Correct 298 ms 5460 KB Output is correct
12 Correct 291 ms 5460 KB Output is correct
13 Correct 315 ms 5460 KB Output is correct
14 Correct 320 ms 5460 KB Output is correct
15 Correct 339 ms 5788 KB Output is correct
16 Correct 317 ms 5788 KB Output is correct
17 Correct 332 ms 5788 KB Output is correct
18 Correct 229 ms 6796 KB Output is correct
19 Correct 287 ms 6796 KB Output is correct
20 Correct 277 ms 6796 KB Output is correct
21 Correct 330 ms 6796 KB Output is correct
22 Correct 353 ms 6796 KB Output is correct
23 Correct 379 ms 6796 KB Output is correct
24 Correct 402 ms 6796 KB Output is correct
25 Correct 372 ms 6892 KB Output is correct
26 Correct 417 ms 6892 KB Output is correct
27 Correct 400 ms 6892 KB Output is correct
28 Correct 256 ms 7880 KB Output is correct
29 Correct 331 ms 7880 KB Output is correct
30 Correct 371 ms 7880 KB Output is correct
31 Correct 388 ms 7880 KB Output is correct
32 Correct 437 ms 7880 KB Output is correct
33 Correct 373 ms 7880 KB Output is correct
34 Correct 432 ms 7880 KB Output is correct
35 Correct 423 ms 7880 KB Output is correct
36 Correct 255 ms 7880 KB Output is correct
37 Correct 336 ms 7880 KB Output is correct
38 Correct 350 ms 7880 KB Output is correct
39 Correct 385 ms 7880 KB Output is correct
40 Correct 425 ms 7880 KB Output is correct
41 Correct 72 ms 12228 KB Output is correct
42 Correct 77 ms 12248 KB Output is correct
43 Correct 77 ms 12248 KB Output is correct
44 Correct 134 ms 12248 KB Output is correct
45 Correct 72 ms 12356 KB Output is correct
46 Correct 90 ms 12356 KB Output is correct
47 Correct 125 ms 12356 KB Output is correct
48 Correct 62 ms 12372 KB Output is correct
49 Correct 67 ms 12372 KB Output is correct
50 Correct 71 ms 12372 KB Output is correct
51 Correct 77 ms 12372 KB Output is correct
52 Correct 86 ms 12372 KB Output is correct
53 Correct 87 ms 12372 KB Output is correct
54 Correct 93 ms 12372 KB Output is correct
55 Correct 88 ms 12372 KB Output is correct
56 Correct 61 ms 12372 KB Output is correct
57 Correct 78 ms 12372 KB Output is correct
58 Correct 72 ms 12372 KB Output is correct
59 Correct 77 ms 12372 KB Output is correct
60 Correct 76 ms 12372 KB Output is correct
61 Correct 70 ms 12372 KB Output is correct
62 Correct 87 ms 12372 KB Output is correct
63 Correct 92 ms 12372 KB Output is correct
64 Correct 59 ms 12372 KB Output is correct
65 Correct 89 ms 12372 KB Output is correct
66 Correct 82 ms 12372 KB Output is correct
67 Correct 83 ms 12372 KB Output is correct
68 Correct 81 ms 12372 KB Output is correct
69 Correct 92 ms 12372 KB Output is correct
70 Correct 92 ms 12372 KB Output is correct
71 Correct 547 ms 17028 KB Output is correct
72 Correct 560 ms 17364 KB Output is correct
73 Correct 669 ms 17364 KB Output is correct
74 Correct 850 ms 17364 KB Output is correct
75 Correct 500 ms 17888 KB Output is correct
76 Correct 875 ms 17888 KB Output is correct
77 Correct 849 ms 17888 KB Output is correct
78 Correct 345 ms 19972 KB Output is correct
79 Correct 475 ms 19972 KB Output is correct
80 Correct 589 ms 19972 KB Output is correct
81 Correct 653 ms 19972 KB Output is correct
82 Correct 745 ms 19972 KB Output is correct
83 Correct 492 ms 19972 KB Output is correct
84 Correct 899 ms 19972 KB Output is correct
85 Correct 793 ms 19972 KB Output is correct
86 Correct 360 ms 19972 KB Output is correct
87 Correct 507 ms 19972 KB Output is correct
88 Correct 474 ms 19972 KB Output is correct
89 Correct 652 ms 19972 KB Output is correct
90 Correct 629 ms 19972 KB Output is correct
91 Correct 535 ms 19972 KB Output is correct
92 Correct 995 ms 19972 KB Output is correct
93 Correct 838 ms 19972 KB Output is correct
94 Correct 361 ms 19972 KB Output is correct
95 Correct 797 ms 19972 KB Output is correct
96 Correct 815 ms 37716 KB Output is correct
97 Correct 804 ms 59312 KB Output is correct
98 Runtime error 848 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.
99 Halted 0 ms 0 KB -