oj.uz

Submission #80249

# Submission time Handle Problem Language Result Execution time Memory
80249 2018-10-19T16:43:30 Z Bodo171 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 954 ms 66560 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+=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 2 ms 376 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 528 KB Output is correct
9 Correct 2 ms 552 KB Output is correct
10 Correct 2 ms 624 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 384 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 528 KB Output is correct
9 Correct 2 ms 552 KB Output is correct
10 Correct 2 ms 624 KB Output is correct
11 Correct 306 ms 5920 KB Output is correct
12 Correct 287 ms 5920 KB Output is correct
13 Correct 331 ms 5920 KB Output is correct
14 Correct 364 ms 5920 KB Output is correct
15 Correct 293 ms 6320 KB Output is correct
16 Correct 316 ms 6320 KB Output is correct
17 Correct 328 ms 6320 KB Output is correct
18 Correct 231 ms 8088 KB Output is correct
19 Correct 260 ms 8088 KB Output is correct
20 Correct 281 ms 8088 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 384 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 528 KB Output is correct
9 Correct 2 ms 552 KB Output is correct
10 Correct 2 ms 624 KB Output is correct
11 Correct 306 ms 5920 KB Output is correct
12 Correct 287 ms 5920 KB Output is correct
13 Correct 331 ms 5920 KB Output is correct
14 Correct 364 ms 5920 KB Output is correct
15 Correct 293 ms 6320 KB Output is correct
16 Correct 316 ms 6320 KB Output is correct
17 Correct 328 ms 6320 KB Output is correct
18 Correct 231 ms 8088 KB Output is correct
19 Correct 260 ms 8088 KB Output is correct
20 Correct 281 ms 8088 KB Output is correct
21 Correct 390 ms 8088 KB Output is correct
22 Correct 331 ms 8088 KB Output is correct
23 Correct 394 ms 8088 KB Output is correct
24 Correct 396 ms 8088 KB Output is correct
25 Correct 341 ms 8216 KB Output is correct
26 Correct 406 ms 8216 KB Output is correct
27 Correct 388 ms 8216 KB Output is correct
28 Correct 263 ms 9260 KB Output is correct
29 Correct 311 ms 9260 KB Output is correct
30 Correct 341 ms 9260 KB Output is correct
31 Correct 368 ms 9260 KB Output is correct
32 Correct 386 ms 9260 KB Output is correct
33 Correct 348 ms 9260 KB Output is correct
34 Correct 444 ms 9260 KB Output is correct
35 Correct 485 ms 9260 KB Output is correct
36 Correct 257 ms 9260 KB Output is correct
37 Correct 377 ms 9260 KB Output is correct
38 Correct 323 ms 9260 KB Output is correct
39 Correct 370 ms 9260 KB Output is correct
40 Correct 399 ms 9260 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 384 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 528 KB Output is correct
9 Correct 2 ms 552 KB Output is correct
10 Correct 2 ms 624 KB Output is correct
11 Correct 67 ms 13592 KB Output is correct
12 Correct 66 ms 13592 KB Output is correct
13 Correct 74 ms 13592 KB Output is correct
14 Correct 83 ms 13592 KB Output is correct
15 Correct 70 ms 13720 KB Output is correct
16 Correct 87 ms 13720 KB Output is correct
17 Correct 82 ms 13720 KB Output is correct
18 Correct 59 ms 13736 KB Output is correct
19 Correct 66 ms 13736 KB Output is correct
20 Correct 67 ms 13776 KB Output is correct
21 Correct 72 ms 13776 KB Output is correct
22 Correct 77 ms 13776 KB Output is correct
23 Correct 67 ms 13776 KB Output is correct
24 Correct 94 ms 13776 KB Output is correct
25 Correct 109 ms 13776 KB Output is correct
26 Correct 59 ms 13776 KB Output is correct
27 Correct 80 ms 13776 KB Output is correct
28 Correct 67 ms 13776 KB Output is correct
29 Correct 82 ms 13776 KB Output is correct
30 Correct 74 ms 13776 KB Output is correct
31 Correct 67 ms 13776 KB Output is correct
32 Correct 88 ms 13776 KB Output is correct
33 Correct 89 ms 13776 KB Output is correct
34 Correct 60 ms 13776 KB Output is correct
35 Correct 85 ms 13776 KB Output is correct
36 Correct 79 ms 13776 KB Output is correct
37 Correct 79 ms 13776 KB Output is correct
38 Correct 77 ms 13776 KB Output is correct
39 Correct 78 ms 13776 KB Output is correct
40 Correct 81 ms 13776 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 384 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 528 KB Output is correct
9 Correct 2 ms 552 KB Output is correct
10 Correct 2 ms 624 KB Output is correct
11 Correct 306 ms 5920 KB Output is correct
12 Correct 287 ms 5920 KB Output is correct
13 Correct 331 ms 5920 KB Output is correct
14 Correct 364 ms 5920 KB Output is correct
15 Correct 293 ms 6320 KB Output is correct
16 Correct 316 ms 6320 KB Output is correct
17 Correct 328 ms 6320 KB Output is correct
18 Correct 231 ms 8088 KB Output is correct
19 Correct 260 ms 8088 KB Output is correct
20 Correct 281 ms 8088 KB Output is correct
21 Correct 390 ms 8088 KB Output is correct
22 Correct 331 ms 8088 KB Output is correct
23 Correct 394 ms 8088 KB Output is correct
24 Correct 396 ms 8088 KB Output is correct
25 Correct 341 ms 8216 KB Output is correct
26 Correct 406 ms 8216 KB Output is correct
27 Correct 388 ms 8216 KB Output is correct
28 Correct 263 ms 9260 KB Output is correct
29 Correct 311 ms 9260 KB Output is correct
30 Correct 341 ms 9260 KB Output is correct
31 Correct 368 ms 9260 KB Output is correct
32 Correct 386 ms 9260 KB Output is correct
33 Correct 348 ms 9260 KB Output is correct
34 Correct 444 ms 9260 KB Output is correct
35 Correct 485 ms 9260 KB Output is correct
36 Correct 257 ms 9260 KB Output is correct
37 Correct 377 ms 9260 KB Output is correct
38 Correct 323 ms 9260 KB Output is correct
39 Correct 370 ms 9260 KB Output is correct
40 Correct 399 ms 9260 KB Output is correct
41 Correct 67 ms 13592 KB Output is correct
42 Correct 66 ms 13592 KB Output is correct
43 Correct 74 ms 13592 KB Output is correct
44 Correct 83 ms 13592 KB Output is correct
45 Correct 70 ms 13720 KB Output is correct
46 Correct 87 ms 13720 KB Output is correct
47 Correct 82 ms 13720 KB Output is correct
48 Correct 59 ms 13736 KB Output is correct
49 Correct 66 ms 13736 KB Output is correct
50 Correct 67 ms 13776 KB Output is correct
51 Correct 72 ms 13776 KB Output is correct
52 Correct 77 ms 13776 KB Output is correct
53 Correct 67 ms 13776 KB Output is correct
54 Correct 94 ms 13776 KB Output is correct
55 Correct 109 ms 13776 KB Output is correct
56 Correct 59 ms 13776 KB Output is correct
57 Correct 80 ms 13776 KB Output is correct
58 Correct 67 ms 13776 KB Output is correct
59 Correct 82 ms 13776 KB Output is correct
60 Correct 74 ms 13776 KB Output is correct
61 Correct 67 ms 13776 KB Output is correct
62 Correct 88 ms 13776 KB Output is correct
63 Correct 89 ms 13776 KB Output is correct
64 Correct 60 ms 13776 KB Output is correct
65 Correct 85 ms 13776 KB Output is correct
66 Correct 79 ms 13776 KB Output is correct
67 Correct 79 ms 13776 KB Output is correct
68 Correct 77 ms 13776 KB Output is correct
69 Correct 78 ms 13776 KB Output is correct
70 Correct 81 ms 13776 KB Output is correct
71 Correct 521 ms 18260 KB Output is correct
72 Correct 567 ms 18548 KB Output is correct
73 Correct 672 ms 18548 KB Output is correct
74 Correct 818 ms 18548 KB Output is correct
75 Correct 514 ms 19512 KB Output is correct
76 Correct 845 ms 19512 KB Output is correct
77 Correct 954 ms 19512 KB Output is correct
78 Correct 381 ms 21288 KB Output is correct
79 Correct 475 ms 21288 KB Output is correct
80 Correct 577 ms 21288 KB Output is correct
81 Correct 694 ms 21288 KB Output is correct
82 Correct 801 ms 21288 KB Output is correct
83 Correct 549 ms 38456 KB Output is correct
84 Correct 936 ms 38980 KB Output is correct
85 Correct 879 ms 39300 KB Output is correct
86 Correct 360 ms 39300 KB Output is correct
87 Correct 579 ms 54916 KB Output is correct
88 Correct 523 ms 58732 KB Output is correct
89 Runtime error 678 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.
90 Halted 0 ms 0 KB -