oj.uz

Submission #952180

# Submission time Handle Problem Language Result Execution time Memory
952180 2024-03-23T08:52:48 Z penguinma Jetpack (COCI16_jetpack) C++17
80 / 80
 50 ms 6356 KB 
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
ll n;
vector<vector<char>>a;
vector<ll>v;
ll dfs(ll x,ll y)
{
	if(a[x][y]=='X')
		return 0;
	if(y==n-1)
		return 1;
	a[x][y]='X';
	if(dfs(min((ll)9,x+1),y+1)==1)
		return 1;
	 if(dfs(max((ll)0,x-1),y+1)==1)
	{
		v.push_back(y);
		return 1;
	}
	return 0;
}
int main()
{
	cin>>n;
	a.assign(10,vector<char>(n));
	for(ll i=0;i<10;i++)
	{
		for(ll j=0;j<n;j++)
			cin>>a[i][j];
	}
		dfs(9,0);
	reverse(v.begin(),v.end());
	cout<<v.size()<<"\n";
	for(auto i:v)
		cout<<i<<" "<<1<<"\n";
}

Subtask #1
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 3 ms 600 KB Output is correct
7 Correct 8 ms 1368 KB Output is correct
8 Correct 18 ms 3160 KB Output is correct
9 Correct 29 ms 4508 KB Output is correct
10 Correct 50 ms 6356 KB Output is correct