Submission #1454344

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Source Code Expand

#include <cstdio>
#include <algorithm>
#include <string>
#include <iostream>

#define REPi(i, n) for(int i=0; i<n; i++)
#define REPd(i, n) for(int i=n; i>=0; i--)

using namespace std;
using vvc = vector<vector<char>>;

int main(void){
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    vvc board;
    board.resize(4);

    REPi(i, 4){
        board[i].resize(4);
        REPi(j, 4){
            cin >> board[i][j];
        }
    }
    
    REPd(i, 3){
        REPd(j, 3){
            cout << board[i][j] << (j-1>=0 ? ' ' : '\n');
        }
    }
}

Submission Info

Compile Error

./Main.cpp:10:13: error: unknown type name 'vector'
using vvc = vector<vector<char>>;
            ^
./Main.cpp:10:19: error: expected ';' after alias declaration
using vvc = vector<vector<char>>;
                  ^
                  ;
./Main.cpp:16:5: error: unknown type name 'vvc'
    vvc board;
    ^
3 errors generated.