Submission #406726

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
406726	2021-05-18T03:49:07 Z	daniel920712	Toy Train (IOI17_train)	C++14	11 / 100	454 ms	25524 KB

train

#include "train.h"
using namespace std;
vector < int > Next[5005],Next2[5005],ans;
bool have1[5005][5005];
bool can[5005];
bool have2[5005];
bool F(int st,int here,int deg)
{
    int t=0;
    if(here==st&&deg) return 1;
    if(have1[st][here]) return 0;
    have1[st][here]=1;
    for(auto i:Next[here])
    {
        t=F(st,i,deg+1);
        can[here]=can[here]||t;
        if(t) break;
    }
    return t;

}
void F2(int here)
{
    if(have2[here]) return;
    have2[here]=1;
    for(auto i:Next2[here]) F2(i);
}
vector < int > who_wins(vector < int > who, vector < int > power, vector < int > u, vector < int > v)
{
    int N=who.size(),M=u.size(),i;
	for(i=0;i<N;i++) ans.push_back(0);
	for(i=0;i<M;i++) Next[u[i]].push_back(v[i]);
	for(i=0;i<M;i++) Next2[v[i]].push_back(u[i]);
    for(i=0;i<N;i++) if(power[i]) F(i,i,0);
    for(i=0;i<N;i++) if(can[i]) F2(i);

    for(i=0;i<N;i++) if(have2[i]) ans[i]=1;
	return ans;
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	109 ms	14804 KB	3rd lines differ - on the 1st token, expected: '0', found: '1'
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	460 KB	3rd lines differ - on the 8th token, expected: '0', found: '1'
2	Halted	0 ms	0 KB	-

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	5908 KB	Output is correct
2	Correct	36 ms	9676 KB	Output is correct
3	Correct	84 ms	13252 KB	Output is correct
4	Correct	153 ms	11984 KB	Output is correct
5	Correct	48 ms	4628 KB	Output is correct
6	Correct	117 ms	5320 KB	Output is correct
7	Correct	251 ms	18464 KB	Output is correct
8	Correct	9 ms	1612 KB	Output is correct
9	Correct	9 ms	1560 KB	Output is correct
10	Correct	15 ms	1804 KB	Output is correct
11	Correct	11 ms	1484 KB	Output is correct
12	Correct	8 ms	1484 KB	Output is correct
13	Correct	13 ms	1740 KB	Output is correct
14	Correct	10 ms	1740 KB	Output is correct
15	Correct	13 ms	1740 KB	Output is correct
16	Correct	9 ms	1604 KB	Output is correct
17	Correct	12 ms	1612 KB	Output is correct
18	Correct	207 ms	18752 KB	Output is correct