Submission #1164244

#	Time	Username	Problem	Language	Result	Execution time	Memory
1164244		cjtsai	Tiles (BOI24_tiles)	C++20	0 / 100	22 ms	3468 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define ff first
#define ss second

signed main(){
	ios_base::sync_with_stdio(false);cin.tie(0);
	int n, m;cin>>n>>m;
	int tmp=0, txp=0;
	vector<int> x(n), y(n);
	vector<bool> inv(n, 0);
	for(int i=0; i<n; i++) cin>>x[i]>>y[i];
	for(int i=1; i<n-2; i++){
		if(x[i]==x[i-1]&&x[i]==x[i+1]) inv[i]=1;
		if(y[i]==y[i-1]&&y[i]==y[i+1]) inv[i]=1;
	}
	for(int i=0; i<n-1; i++){
		if(inv[i]) continue;
		if((x[i]%2)||(y[i]%2)){
			if(tmp==x[i]) cout<<tmp;
			else cout<<tmp-1;
			return 0;
		}else{
			tmp=x[i];
		}
	}
	cout<<tmp;

}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 9
• Subtask 3: 0 / 11
• Subtask 4: 0 / 19
• Subtask 5: 0 / 22
• Subtask 6: 0 / 25
• Subtask 7: 0 / 10