Submission #7044304

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using vi=vector<int>;
using vii=vector<vi>;
using vc=vector<char>;

struct Point{
	int x,y;
};
vc c[50][50];
 
vi dx={1,-1,0,0};
vi dy={0,0,1,-1};
vi dist[50][50];

int main(){
  rep(i,50) rep(j,50) cin>>dist[i][j];
  int r,c;
  cin>>r>>c;
  int sx,sy,gx,gy;
  cin>>sy>>sx;
  cin>>gy>>gx;
  sy--;sx--;
  gy--;gx--;
  
  rep(i,r) rep(j,c) cin>>c[i][j];
  
  queue<Point> q;
  q.push({sx,sy});
  dist[sy][sx] = 0;
  
  while(!q.empty()){
    Point now = q.front();
    q.pop();
    rep(i,4){
      Point next = {now.x+dx[i],now.y+dy[i]};
      if( c[next.y][next.x] == '#' ) continue;
      if( dist[next.y][next.x] != -1 ) continue;
      dist[next.y][next.x] = dist[now.y][now.x] + 1;
      Q.push({next.x,next.y});
    }		
  }
  cout << dist[gy][gx] << endl;	
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:26: error: no match for ‘operator>>’ (operand types are ‘std::istream {aka std::basic_istream<char>}’ and ‘vi {aka std::vector<int>}’)
   rep(i,50) rep(j,50) cin>>dist[i][j];
                          ^
In file included from /usr/include/c++/5/sstream:38:0,
                 from /usr/include/c++/5/complex:45,
                 from /usr/include/c++/5/ccomplex:38,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52,
                 from ./Main.cpp:1:
/usr/include/c++/5/istream:120:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
       operator>>(__istream_type& (*__pf)(__istream_type&))
       ^
/usr/include/c++/5/istream...