oj.uz

답안 #864380

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
864380 2023-10-22T16:31:56 Z gutzzy Pohlepko (COCI16_pohlepko) C++14
5 / 80
 134 ms 4400 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
int m;
string ans = "{";
vector<vector<char>> board;

void bt(int i, int j, string cur){
    if(i==n-1 and j==m-1){
        ans = cur;
        return;
    }
    if(i==n-1){
        j++;
        cur+=board[i][j];
        if(cur<=ans){
            ans = cur;
            bt(i,j,cur);
        }
        return;
    }
    else if(j==m-1){
        i++;
        cur+=board[i][j];
        if(cur<=ans){
            ans = cur;
            bt(i,j,cur);
        }
        return;
    }
    else{
        if(board[i+1][j]!=board[i][j+1]){
            if(board[i+1][j]<board[i][j+1]) i++;
            else j++;
            cur += board[i][j];
            if(cur<=ans){
                ans = cur;
                bt(i,j,cur);
            }
            return;
        }
        else{
            cur += board[i+1][j];
            if(cur<=ans){
                ans = cur;
                bt(i+1,j,cur);
                bt(i,j+1,cur);
            }
            return;
        }
    }
    
}

int main(){
    cin >> n >> m;
    board = vector<vector<char>>(n,vector<char>(m));
    
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cin >> board[i][j];
        }
    }
    
    string c;
    c += board[0][0];
    
    bt(0,0,c);
    
    cout << ans << endl;
    
    return 0;
}

Subtask #1
5.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Incorrect 0 ms 344 KB Output isn't correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Incorrect 1 ms 344 KB Output isn't correct
6 Incorrect 8 ms 604 KB Output isn't correct
7 Incorrect 42 ms 1804 KB Output isn't correct
8 Incorrect 130 ms 4188 KB Output isn't correct
9 Incorrect 1 ms 348 KB Output isn't correct
10 Incorrect 2 ms 344 KB Output isn't correct
11 Incorrect 4 ms 348 KB Output isn't correct
12 Incorrect 14 ms 796 KB Output isn't correct
13 Incorrect 6 ms 696 KB Output isn't correct
14 Incorrect 134 ms 4400 KB Output isn't correct
15 Incorrect 1 ms 344 KB Output isn't correct
16 Incorrect 49 ms 1884 KB Output isn't correct