oj.uz

Submission #441459

# Submission time Handle Problem Language Result Execution time Memory
441459 2021-07-05T08:25:11 Z daniel920712 Fountain Parks (IOI21_parks) C++17
70 / 100
 2045 ms 83716 KB 
#include "parks.h"
#include <map>
#include <utility>
#include <queue>
#include <set>
using namespace std;
map < pair < int , int > , int > all,con;
map < pair < int , int > , pair < int , int > > road;
vector < int > u,v,a,b;
queue < pair < int , int > > BFS;
set < pair < int , int > > still,Not,have;
int Father[200005];
int Find(int here)
{
    if(Father[here]==here) return here;
    Father[here]=Find(Father[here]);
    return Father[here];
}
int construct_roads(vector < int > x, vector < int > y)
{
    int N=x.size(),M,i,t,aa,bb,ok=1,xx,yy,big=0;
    for(i=0;i<N;i++)
    {
        all[make_pair(x[i],y[i])]=i;
        Father[i]=i;
        big=max(big,x[i]);
    }
    if(big<=6)
    {
        for(i=0;i<N;i++)
        {
            if(all.find(make_pair(x[i],y[i]+2))!=all.end())
            {
                t=all[make_pair(x[i],y[i]+2)];
                aa=Find(i);
                bb=Find(t);
                if(aa!=bb) Father[aa]=bb;
                if(x[i]==2)
                {
                    u.push_back(i);
                    v.push_back(t);
                    a.push_back(x[i]-1);
                    b.push_back(y[i]+1);
                }
                else if(x[i]==4)
                {
                    if(y[i]%4==0)
                    {
                        u.push_back(i);
                        v.push_back(t);
                        a.push_back(x[i]-1);
                        b.push_back(y[i]+1);
                    }
                    else
                    {
                        u.push_back(i);
                        v.push_back(t);
                        a.push_back(x[i]+1);
                        b.push_back(y[i]+1);
                    }
                }
                else if(x[i]==6)
                {
                    u.push_back(i);
                    v.push_back(t);
                    a.push_back(x[i]+1);
                    b.push_back(y[i]+1);
                }

            }
            if(all.find(make_pair(x[i]+2,y[i]))!=all.end())
            {
                t=all[make_pair(x[i]+2,y[i])];
                aa=Find(i);
                bb=Find(t);
                if(aa!=bb) Father[aa]=bb;
                if(y[i]%4==0)
                {
                    if(x[i]==2)
                    {
                        u.push_back(i);
                        v.push_back(t);
                        a.push_back(x[i]+1);
                        b.push_back(y[i]-1);
                    }
                    else
                    {
                        u.push_back(i);
                        v.push_back(t);
                        a.push_back(x[i]+1);
                        b.push_back(y[i]+1);
                    }
                }
                else
                {
                    Not.insert(make_pair(i,t));
                }
            }
        }
        M=a.size();
        for(i=0;i<M;i++) have.insert(make_pair(a[i],b[i]));
        for(auto i:Not)
        {
            if(have.find(make_pair(x[i.first]+1,y[i.first]+1))==have.end())
            {
                have.insert(make_pair(x[i.first]+1,y[i.first]+1));
                u.push_back(i.first);
                v.push_back(i.second);
                a.push_back(x[i.first]+1);
                b.push_back(y[i.first]+1);
            }
            else if(have.find(make_pair(x[i.first]+1,y[i.first]-1))==have.end())
            {
                have.insert(make_pair(x[i.first]+1,y[i.first]-1));
                u.push_back(i.first);
                v.push_back(i.second);
                a.push_back(x[i.first]+1);
                b.push_back(y[i.first]-1);
            }
        }
        t=Find(0);
        for(i=0;i<N;i++)
        {

            if(t!=Find(i)) ok=0;
        }
        if(ok==0) return ok;



        if(ok) build(u,v,a,b);
        return ok;
    }
    else
    {
        for(i=0;i<N;i++)
        {
            if(all.find(make_pair(x[i],y[i]+2))!=all.end())
            {
                t=all[make_pair(x[i],y[i]+2)];
                road[make_pair(x[i],y[i]+1)]=make_pair(i,t);
                con[make_pair(x[i]+1,y[i]+1)]++;
                con[make_pair(x[i]-1,y[i]+1)]++;

                aa=Find(i);
                bb=Find(t);
                if(aa!=bb) Father[aa]=bb;

            }
            if(all.find(make_pair(x[i]+2,y[i]))!=all.end())
            {
                t=all[make_pair(x[i]+2,y[i])];
                road[make_pair(x[i]+1,y[i])]=make_pair(i,t);
                con[make_pair(x[i]+1,y[i]+1)]++;
                con[make_pair(x[i]+1,y[i]-1)]++;
                aa=Find(i);
                bb=Find(t);
                if(aa!=bb) Father[aa]=bb;
            }
        }
        t=Find(0);
        for(i=0;i<N;i++)  if(t!=Find(i)) ok=0;
        if(ok==0) return ok;
        for(auto i:con)
        {
            still.insert(i.first);
            if(i.second==1) BFS.push(i.first);
        }
        while(!BFS.empty())
        {
            xx=BFS.front().first;
            yy=BFS.front().second;
            BFS.pop();
            still.erase(make_pair(xx,yy));
            if(con[make_pair(xx,yy)]<=0) continue;
            if(road.find(make_pair(xx+1,yy))!=road.end()) aa=xx+1,bb=yy;
            if(road.find(make_pair(xx-1,yy))!=road.end()) aa=xx-1,bb=yy;
            if(road.find(make_pair(xx,yy+1))!=road.end()) aa=xx,bb=yy+1;
            if(road.find(make_pair(xx,yy-1))!=road.end()) aa=xx,bb=yy-1;
            u.push_back(road[make_pair(aa,bb)].first);
            v.push_back(road[make_pair(aa,bb)].second);
            a.push_back(xx);
            b.push_back(yy);
            road.erase(make_pair(aa,bb));
            con[make_pair(xx,yy)]=0;

            if(aa%2==0)
            {
                con[make_pair(aa-1,bb)]--;
                con[make_pair(aa+1,bb)]--;

                if(con[make_pair(aa-1,bb)]==1) BFS.push(make_pair(aa-1,bb));
                if(con[make_pair(aa+1,bb)]==1) BFS.push(make_pair(aa+1,bb));
            }
            else
            {
                con[make_pair(aa,bb-1)]--;
                con[make_pair(aa,bb+1)]--;

                if(con[make_pair(aa,bb-1)]==1) BFS.push(make_pair(aa,bb-1));
                if(con[make_pair(aa,bb+1)]==1) BFS.push(make_pair(aa,bb+1));
            }

        }
        while(!still.empty())
        {
            BFS.push(*still.begin());
            while(!BFS.empty())
            {
                ok=0;
                xx=BFS.front().first;
                yy=BFS.front().second;
                BFS.pop();
                still.erase(make_pair(xx,yy));
                if(con[make_pair(xx,yy)]<=0) continue;
                if(road.find(make_pair(xx+1,yy))!=road.end()) aa=xx+1,bb=yy,ok=1;
                if(road.find(make_pair(xx-1,yy))!=road.end()) aa=xx-1,bb=yy,ok=1;
                if(road.find(make_pair(xx,yy+1))!=road.end()) aa=xx,bb=yy+1,ok=1;
                if(road.find(make_pair(xx,yy-1))!=road.end()) aa=xx,bb=yy-1,ok=1;
                con[make_pair(xx,yy)]=0;

                if(ok==0) continue;
                u.push_back(road[make_pair(aa,bb)].first);
                v.push_back(road[make_pair(aa,bb)].second);
                a.push_back(xx);
                b.push_back(yy);
                road.erase(make_pair(aa,bb));

                if(aa%2==0)
                {
                    con[make_pair(aa-1,bb)]--;
                    con[make_pair(aa+1,bb)]--;

                    if(con[make_pair(aa-1,bb)]==1) BFS.push(make_pair(aa-1,bb));
                    if(con[make_pair(aa+1,bb)]==1) BFS.push(make_pair(aa+1,bb));
                }
                else
                {
                    con[make_pair(aa,bb-1)]--;
                    con[make_pair(aa,bb+1)]--;

                    if(con[make_pair(aa,bb-1)]==1) BFS.push(make_pair(aa,bb-1));
                    if(con[make_pair(aa,bb+1)]==1) BFS.push(make_pair(aa,bb+1));
                }

            }
        }
        if(!road.empty()) return 0;


        if(ok) build(u,v,a,b);
        return ok;
    }

}

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:193:74: warning: 'bb' may be used uninitialized in this function [-Wmaybe-uninitialized]
  193 |                 if(con[make_pair(aa+1,bb)]==1) BFS.push(make_pair(aa+1,bb));
      |                                                                          ^
parks.cpp:197:38: warning: 'aa' may be used uninitialized in this function [-Wmaybe-uninitialized]
  197 |                 con[make_pair(aa,bb-1)]--;
      |                                      ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 197 ms 17848 KB Output is correct
10 Correct 12 ms 2252 KB Output is correct
11 Correct 69 ms 10424 KB Output is correct
12 Correct 18 ms 3384 KB Output is correct
13 Correct 43 ms 7008 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 187 ms 17896 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 197 ms 17848 KB Output is correct
10 Correct 12 ms 2252 KB Output is correct
11 Correct 69 ms 10424 KB Output is correct
12 Correct 18 ms 3384 KB Output is correct
13 Correct 43 ms 7008 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 187 ms 17896 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 676 ms 42640 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 2 ms 460 KB Output is correct
26 Correct 4 ms 716 KB Output is correct
27 Correct 6 ms 972 KB Output is correct
28 Correct 228 ms 17092 KB Output is correct
29 Correct 318 ms 25636 KB Output is correct
30 Correct 463 ms 34068 KB Output is correct
31 Correct 672 ms 42540 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 2 ms 588 KB Output is correct
44 Correct 3 ms 728 KB Output is correct
45 Correct 218 ms 18580 KB Output is correct
46 Correct 363 ms 26856 KB Output is correct
47 Correct 358 ms 26980 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 197 ms 17848 KB Output is correct
10 Correct 12 ms 2252 KB Output is correct
11 Correct 69 ms 10424 KB Output is correct
12 Correct 18 ms 3384 KB Output is correct
13 Correct 43 ms 7008 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 187 ms 17896 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 676 ms 42640 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 2 ms 460 KB Output is correct
26 Correct 4 ms 716 KB Output is correct
27 Correct 6 ms 972 KB Output is correct
28 Correct 228 ms 17092 KB Output is correct
29 Correct 318 ms 25636 KB Output is correct
30 Correct 463 ms 34068 KB Output is correct
31 Correct 672 ms 42540 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 2 ms 588 KB Output is correct
44 Correct 3 ms 728 KB Output is correct
45 Correct 218 ms 18580 KB Output is correct
46 Correct 363 ms 26856 KB Output is correct
47 Correct 358 ms 26980 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 216 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 793 ms 44936 KB Output is correct
56 Correct 0 ms 204 KB Output is correct
57 Correct 4 ms 716 KB Output is correct
58 Correct 16 ms 1684 KB Output is correct
59 Correct 20 ms 2188 KB Output is correct
60 Correct 323 ms 22648 KB Output is correct
61 Correct 467 ms 30428 KB Output is correct
62 Correct 693 ms 37344 KB Output is correct
63 Correct 845 ms 44924 KB Output is correct
64 Correct 0 ms 204 KB Output is correct
65 Correct 0 ms 204 KB Output is correct
66 Correct 0 ms 204 KB Output is correct
67 Correct 487 ms 35468 KB Output is correct
68 Correct 480 ms 35484 KB Output is correct
69 Correct 471 ms 35432 KB Output is correct
70 Correct 5 ms 844 KB Output is correct
71 Correct 10 ms 1484 KB Output is correct
72 Correct 255 ms 18692 KB Output is correct
73 Correct 385 ms 28032 KB Output is correct
74 Correct 558 ms 37184 KB Output is correct
75 Correct 652 ms 43184 KB Output is correct
76 Correct 476 ms 35472 KB Output is correct
77 Correct 6 ms 1100 KB Output is correct
78 Correct 12 ms 1856 KB Output is correct
79 Correct 260 ms 19832 KB Output is correct
80 Correct 407 ms 29608 KB Output is correct
81 Correct 638 ms 39324 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 197 ms 17848 KB Output is correct
10 Correct 12 ms 2252 KB Output is correct
11 Correct 69 ms 10424 KB Output is correct
12 Correct 18 ms 3384 KB Output is correct
13 Correct 43 ms 7008 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 187 ms 17896 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1151 ms 58628 KB Output is correct
21 Correct 1177 ms 57712 KB Output is correct
22 Correct 1122 ms 58636 KB Output is correct
23 Correct 1065 ms 69052 KB Output is correct
24 Correct 318 ms 16824 KB Output is correct
25 Correct 958 ms 54184 KB Output is correct
26 Correct 833 ms 54180 KB Output is correct
27 Correct 1271 ms 82912 KB Output is correct
28 Correct 1240 ms 83060 KB Output is correct
29 Correct 1346 ms 82924 KB Output is correct
30 Correct 1304 ms 83716 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 62 ms 5040 KB Output is correct
33 Correct 111 ms 8420 KB Output is correct
34 Correct 1157 ms 57940 KB Output is correct
35 Correct 19 ms 2372 KB Output is correct
36 Correct 144 ms 11220 KB Output is correct
37 Correct 389 ms 22112 KB Output is correct
38 Correct 522 ms 25536 KB Output is correct
39 Correct 757 ms 34748 KB Output is correct
40 Correct 1038 ms 43620 KB Output is correct
41 Correct 1301 ms 53764 KB Output is correct
42 Correct 1562 ms 64584 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 2 ms 588 KB Output is correct
55 Correct 4 ms 716 KB Output is correct
56 Correct 229 ms 18620 KB Output is correct
57 Correct 359 ms 26860 KB Output is correct
58 Correct 363 ms 26908 KB Output is correct
59 Correct 0 ms 204 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 0 ms 204 KB Output is correct
62 Correct 488 ms 35524 KB Output is correct
63 Correct 513 ms 35540 KB Output is correct
64 Correct 555 ms 35260 KB Output is correct
65 Correct 5 ms 784 KB Output is correct
66 Correct 10 ms 1484 KB Output is correct
67 Correct 233 ms 18680 KB Output is correct
68 Correct 446 ms 27844 KB Output is correct
69 Correct 649 ms 37144 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 197 ms 17848 KB Output is correct
10 Correct 12 ms 2252 KB Output is correct
11 Correct 69 ms 10424 KB Output is correct
12 Correct 18 ms 3384 KB Output is correct
13 Correct 43 ms 7008 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 187 ms 17896 KB Output is correct
17 Correct 1264 ms 82716 KB Output is correct
18 Correct 1350 ms 82000 KB Output is correct
19 Correct 1352 ms 60168 KB Output is correct
20 Correct 1923 ms 71556 KB Output is correct
21 Correct 1370 ms 70368 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 178 ms 10812 KB Output is correct
24 Correct 47 ms 5024 KB Output is correct
25 Correct 275 ms 16880 KB Output is correct
26 Correct 579 ms 28928 KB Output is correct
27 Correct 806 ms 34648 KB Output is correct
28 Correct 1229 ms 43596 KB Output is correct
29 Correct 1449 ms 52828 KB Output is correct
30 Correct 1598 ms 61244 KB Output is correct
31 Correct 2045 ms 69256 KB Output is correct
32 Correct 662 ms 43004 KB Output is correct
33 Correct 508 ms 35508 KB Output is correct
34 Correct 6 ms 1100 KB Output is correct
35 Correct 13 ms 1772 KB Output is correct
36 Correct 279 ms 19692 KB Output is correct
37 Correct 501 ms 29616 KB Output is correct
38 Correct 660 ms 39300 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 197 ms 17848 KB Output is correct
10 Correct 12 ms 2252 KB Output is correct
11 Correct 69 ms 10424 KB Output is correct
12 Correct 18 ms 3384 KB Output is correct
13 Correct 43 ms 7008 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 187 ms 17896 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 676 ms 42640 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 2 ms 460 KB Output is correct
26 Correct 4 ms 716 KB Output is correct
27 Correct 6 ms 972 KB Output is correct
28 Correct 228 ms 17092 KB Output is correct
29 Correct 318 ms 25636 KB Output is correct
30 Correct 463 ms 34068 KB Output is correct
31 Correct 672 ms 42540 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 2 ms 588 KB Output is correct
44 Correct 3 ms 728 KB Output is correct
45 Correct 218 ms 18580 KB Output is correct
46 Correct 363 ms 26856 KB Output is correct
47 Correct 358 ms 26980 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 216 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 793 ms 44936 KB Output is correct
56 Correct 0 ms 204 KB Output is correct
57 Correct 4 ms 716 KB Output is correct
58 Correct 16 ms 1684 KB Output is correct
59 Correct 20 ms 2188 KB Output is correct
60 Correct 323 ms 22648 KB Output is correct
61 Correct 467 ms 30428 KB Output is correct
62 Correct 693 ms 37344 KB Output is correct
63 Correct 845 ms 44924 KB Output is correct
64 Correct 0 ms 204 KB Output is correct
65 Correct 0 ms 204 KB Output is correct
66 Correct 0 ms 204 KB Output is correct
67 Correct 487 ms 35468 KB Output is correct
68 Correct 480 ms 35484 KB Output is correct
69 Correct 471 ms 35432 KB Output is correct
70 Correct 5 ms 844 KB Output is correct
71 Correct 10 ms 1484 KB Output is correct
72 Correct 255 ms 18692 KB Output is correct
73 Correct 385 ms 28032 KB Output is correct
74 Correct 558 ms 37184 KB Output is correct
75 Correct 652 ms 43184 KB Output is correct
76 Correct 476 ms 35472 KB Output is correct
77 Correct 6 ms 1100 KB Output is correct
78 Correct 12 ms 1856 KB Output is correct
79 Correct 260 ms 19832 KB Output is correct
80 Correct 407 ms 29608 KB Output is correct
81 Correct 638 ms 39324 KB Output is correct
82 Correct 0 ms 204 KB Output is correct
83 Correct 0 ms 204 KB Output is correct
84 Correct 0 ms 204 KB Output is correct
85 Correct 1151 ms 58628 KB Output is correct
86 Correct 1177 ms 57712 KB Output is correct
87 Correct 1122 ms 58636 KB Output is correct
88 Correct 1065 ms 69052 KB Output is correct
89 Correct 318 ms 16824 KB Output is correct
90 Correct 958 ms 54184 KB Output is correct
91 Correct 833 ms 54180 KB Output is correct
92 Correct 1271 ms 82912 KB Output is correct
93 Correct 1240 ms 83060 KB Output is correct
94 Correct 1346 ms 82924 KB Output is correct
95 Correct 1304 ms 83716 KB Output is correct
96 Correct 0 ms 204 KB Output is correct
97 Correct 62 ms 5040 KB Output is correct
98 Correct 111 ms 8420 KB Output is correct
99 Correct 1157 ms 57940 KB Output is correct
100 Correct 19 ms 2372 KB Output is correct
101 Correct 144 ms 11220 KB Output is correct
102 Correct 389 ms 22112 KB Output is correct
103 Correct 522 ms 25536 KB Output is correct
104 Correct 757 ms 34748 KB Output is correct
105 Correct 1038 ms 43620 KB Output is correct
106 Correct 1301 ms 53764 KB Output is correct
107 Correct 1562 ms 64584 KB Output is correct
108 Correct 0 ms 204 KB Output is correct
109 Correct 0 ms 204 KB Output is correct
110 Correct 1 ms 204 KB Output is correct
111 Correct 0 ms 204 KB Output is correct
112 Correct 0 ms 204 KB Output is correct
113 Correct 0 ms 204 KB Output is correct
114 Correct 0 ms 204 KB Output is correct
115 Correct 0 ms 204 KB Output is correct
116 Correct 0 ms 204 KB Output is correct
117 Correct 0 ms 204 KB Output is correct
118 Correct 0 ms 204 KB Output is correct
119 Correct 2 ms 588 KB Output is correct
120 Correct 4 ms 716 KB Output is correct
121 Correct 229 ms 18620 KB Output is correct
122 Correct 359 ms 26860 KB Output is correct
123 Correct 363 ms 26908 KB Output is correct
124 Correct 0 ms 204 KB Output is correct
125 Correct 0 ms 204 KB Output is correct
126 Correct 0 ms 204 KB Output is correct
127 Correct 488 ms 35524 KB Output is correct
128 Correct 513 ms 35540 KB Output is correct
129 Correct 555 ms 35260 KB Output is correct
130 Correct 5 ms 784 KB Output is correct
131 Correct 10 ms 1484 KB Output is correct
132 Correct 233 ms 18680 KB Output is correct
133 Correct 446 ms 27844 KB Output is correct
134 Correct 649 ms 37144 KB Output is correct
135 Correct 1264 ms 82716 KB Output is correct
136 Correct 1350 ms 82000 KB Output is correct
137 Correct 1352 ms 60168 KB Output is correct
138 Correct 1923 ms 71556 KB Output is correct
139 Correct 1370 ms 70368 KB Output is correct
140 Correct 0 ms 204 KB Output is correct
141 Correct 178 ms 10812 KB Output is correct
142 Correct 47 ms 5024 KB Output is correct
143 Correct 275 ms 16880 KB Output is correct
144 Correct 579 ms 28928 KB Output is correct
145 Correct 806 ms 34648 KB Output is correct
146 Correct 1229 ms 43596 KB Output is correct
147 Correct 1449 ms 52828 KB Output is correct
148 Correct 1598 ms 61244 KB Output is correct
149 Correct 2045 ms 69256 KB Output is correct
150 Correct 662 ms 43004 KB Output is correct
151 Correct 508 ms 35508 KB Output is correct
152 Correct 6 ms 1100 KB Output is correct
153 Correct 13 ms 1772 KB Output is correct
154 Correct 279 ms 19692 KB Output is correct
155 Correct 501 ms 29616 KB Output is correct
156 Correct 660 ms 39300 KB Output is correct
157 Correct 0 ms 204 KB Output is correct
158 Correct 1 ms 204 KB Output is correct
159 Correct 1 ms 208 KB Output is correct
160 Correct 1 ms 204 KB Output is correct
161 Incorrect 1734 ms 66024 KB Solution announced impossible, but it is possible.
162 Halted 0 ms 0 KB -