Submission #406833

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
406833	2021-05-18T05:54:18 Z	daniel920712	Toy Train (IOI17_train)	C++14	0 / 100	1121 ms	25472 KB

train

#include "train.h"
#include <stdio.h>

using namespace std;
vector < int > Next[5005],Next2[5005],ans,P,W;
bool have1[5005][5005];
bool can[5005];
bool have2[5][5005];
bool vis[5005];
bool F(int st,int here,int deg)
{

    int ok=0,t;
    vis[here]=1;
    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);
        if(W[here]==t) ok=1;
    }
    if(ok) can[here]=W[here];
    else can[here]=1-W[here];
    return can[here];

}
void F2(int here,int xx)
{
    if(have2[xx][here]) return;
    have2[xx][here]=1;
    for(auto i:Next2[here]) F2(i,xx);
}
vector < int > who_wins(vector < int > who, vector < int > power, vector < int > u, vector < int > v)
{
    P=power;
    W=who;
    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(vis[i]) F2(i,can[i]);
    //for(i=0;i<N;i++) if(!vis[i]) F2(i,can[i]);


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

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	166 ms	15520 KB	3rd lines differ - on the 3rd 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 2nd token, expected: '1', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #3
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	18 ms	5832 KB	Output is correct
2	Correct	43 ms	9556 KB	Output is correct
3	Correct	86 ms	13240 KB	Output is correct
4	Correct	423 ms	11980 KB	Output is correct
5	Correct	63 ms	4420 KB	Output is correct
6	Correct	119 ms	5248 KB	Output is correct
7	Incorrect	324 ms	18604 KB	3rd lines differ - on the 16th token, expected: '1', found: '0'
8	Halted	0 ms	0 KB	-