Submission #865652

#	Time	Username	Problem	Language	Result	Execution time	Memory
865652		vjudge1	Pohlepko (COCI16_pohlepko)	C++11	0 / 80	33 ms	65536 KiB

pohlepko

#include <bits/stdc++.h>
#define sts stable_sort
#define B begin()
#define rB rbegin()
#define E end()
#define rE rend()
#define F first
#define S second
#define pb push_back
#define ppb pop_back()
#define pf push_front
#define eb = emplace_back
#define ppf = pop_front()
#define L(x) ((x)<<1)
#define pii pair<int, int>
#define rB rbegin()
#define rE rend()
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ui = unsigned int;

const int MAXN = 2 * 1e3 + 1;
const int MOD = 1e9 + 7;
const int inf = INT_MAX;
const ll INF = LONG_LONG_MAX;
char v[MAXN][MAXN];
string ans[MAXN][MAXN];
int n, m;

void bfs(){
    queue<pair<pair<int, int>, string> > q;
    string aux = "";
    aux.pb(v[1][1]);
    q.push({{1, 1}, aux});

    while(!q.empty()){
        int x = q.front().F.F, y = q.front().F.S;
        string s = q.front().S;
        q.pop();

        if(x > n || y > m)continue;

        if(ans[x][y] == ""){
            ans[x][y] = s;
        }else if(ans[x][y] < s)continue;

        ans[x][y] = s;

        q.push({{x + 1, y}, s + v[x + 1][y]});
        q.push({{x, y + 1}, s + v[x][y + 1]});
    }
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);

    cin >> n >> m;

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin >> v[i][j];
        }
    }

    bfs();

    cout << ans[n][m] << '\n';
}

/**


*/

• Subtask 1: 0 / 80