Submission #590783

#	Time	Username	Problem	Language	Result	Execution time	Memory
590783		starchan	Pohlepko (COCI16_pohlepko)	C++17	80 / 80	84 ms	8044 KiB

pohlepko

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define in pair<int, int>
#define f first
#define s second
#define pb push_back
#define pob pop_back
#define INF (int)1e17
#define MX (int)3e5+5
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)
signed main()
{
	fast();
	int n, m;
	cin >> n >> m;
	char grid[n+1][m+1];
	for(int i = 1; i <= n; i++)
	{
		for(int j = 1; j <= m; j++)
			cin >> grid[i][j];
	}
	string curr = "";
	curr.pb(grid[1][1]);
	set<in> opt;
	opt.insert({1,1});
	int stages = n+m-2;
	while(stages--)
	{
		vector<pair<in, char>> v;
		char val = '{';
		for(in ok: opt)
		{
			if(ok.f < n)
			{
				v.pb({{ok.f+1, ok.s}, grid[ok.f+1][ok.s]});
				val = min(val, grid[ok.f+1][ok.s]);
			}
			if(ok.s < m)
			{
				v.pb({{ok.f, ok.s+1}, grid[ok.f][ok.s+1]});
				val = min(val, grid[ok.f][ok.s+1]);
			}
		}
		curr.pb(val);
		opt.clear();
		for(auto aaa: v)
		{
			if(aaa.s != val)
				continue;
			opt.insert(aaa.f);
		}
	}
	cout << curr;
	return 0;
}	

• Subtask 1: 80 / 80