oj.uz

Submission #358547

# Submission time Handle Problem Language Result Execution time Memory
358547 2021-01-25T18:54:12 Z Kerim Toy Train (IOI17_train) C++17
16 / 100
 244 ms 11756 KB 
#include "train.h"
#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int col[MAXN],vis[MAXN],res,n,m;
vector<int>adj[MAXN],inv[MAXN],ans;
bool dfs(int nd,int root){
	if(vis[nd])return (nd==root);
	vis[nd]=1;
	tr(it,adj[nd])
		if(dfs(*it,root))return 1;
	return 0;
}
void dfs1(int nd){
	if(ans[nd])return;
	ans[nd]=1;
	tr(it,inv[nd])
		dfs1(*it);	
}
int same[MAXN],go[MAXN];
vector<int> who_wins(vector<int> a, vector<int> r,vector<int> u,vector<int> v) {
	n=int(a.size());m=int(u.size());
	for(int i=0;i<n;i++)col[i]=r[i];
	int subtask3=1,subtask4=1,subtask1=1;
	for(int i=0;i<n;i++)subtask3&=(a[i]),subtask4&=(!a[i]);
	ans.resize(n);for(int i=0;i<n;i++)ans[i]=0;
	for(int i=0;i<m;i++)
		adj[u[i]].pb(v[i]),inv[v[i]].pb(u[i]),subtask1&=(v[i]==u[i] or v[i]==u[i]+1);
	if(subtask1){
		for(int i=0;i<n;i++)
			tr(it,adj[i])
				same[i]|=(*it==i),go[i]|=(*it==i+1);
		for(int i=0;i<n;i++){
			int j=i;
			while(1){
				if(same[j] and col[j]==a[j]){
					ans[i]=a[j];
					break;
				}
				if(go[j])
					j++;
				else{
					if(col[j] and same[j])
						ans[i]=1;
					break;
				}
			}
		}
	}
	else if(subtask3){
		for(int i=0;i<n;i++)
			if(col[i]){
				for(int j=0;j<n;j++)vis[j]=0;
				int ret=dfs(i,i);
				if(ret)
					dfs1(i);
			}
	}
	else if(subtask4){
			
	}
	else assert(0);
	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5612 KB Output is correct
2 Correct 8 ms 5612 KB Output is correct
3 Correct 8 ms 5740 KB Output is correct
4 Correct 8 ms 5740 KB Output is correct
5 Correct 8 ms 5740 KB Output is correct
6 Correct 8 ms 5740 KB Output is correct
7 Correct 8 ms 5740 KB Output is correct
8 Correct 8 ms 5740 KB Output is correct
9 Correct 8 ms 5740 KB Output is correct
10 Correct 9 ms 5740 KB Output is correct
11 Correct 8 ms 5740 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 11 ms 9964 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 5996 KB Output is correct
2 Correct 32 ms 5996 KB Output is correct
3 Correct 57 ms 5996 KB Output is correct
4 Correct 140 ms 6044 KB Output is correct
5 Correct 34 ms 6016 KB Output is correct
6 Correct 89 ms 5996 KB Output is correct
7 Correct 244 ms 5948 KB Output is correct
8 Correct 12 ms 5868 KB Output is correct
9 Correct 11 ms 5868 KB Output is correct
10 Correct 14 ms 5868 KB Output is correct
11 Correct 13 ms 5868 KB Output is correct
12 Correct 11 ms 5868 KB Output is correct
13 Correct 12 ms 5996 KB Output is correct
14 Correct 12 ms 5996 KB Output is correct
15 Correct 12 ms 5996 KB Output is correct
16 Correct 12 ms 5996 KB Output is correct
17 Correct 12 ms 5996 KB Output is correct
18 Correct 173 ms 5740 KB Output is correct

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 5740 KB 3rd lines differ - on the 1st token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 19 ms 11756 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5612 KB Output is correct
2 Correct 8 ms 5612 KB Output is correct
3 Correct 8 ms 5740 KB Output is correct
4 Correct 8 ms 5740 KB Output is correct
5 Correct 8 ms 5740 KB Output is correct
6 Correct 8 ms 5740 KB Output is correct
7 Correct 8 ms 5740 KB Output is correct
8 Correct 8 ms 5740 KB Output is correct
9 Correct 8 ms 5740 KB Output is correct
10 Correct 9 ms 5740 KB Output is correct
11 Correct 8 ms 5740 KB Output is correct
12 Runtime error 11 ms 9964 KB Execution killed with signal 6
13 Halted 0 ms 0 KB -