Submission #1090770

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Source Code Expand

#include <algorithm>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <deque>
#include <iomanip>
#include <iostream>
#include <limits>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>

#define FOR(i,k,n) for (int (i)=(k); (i)<(n); ++(i))
#define rep(i,n) FOR(i,0,n)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fst first
#define snd second
#define all(v) begin(v), end(v)
#define debug(x) cerr<< #x <<": "<<x<<endl
#define debug2(x,y) cerr<< #x <<": "<< x <<", "<< #y <<": "<< y <<endl

using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vector<int> > vvi;
typedef vector<ll> vll;
typedef vector<vector<ll> > vvll;
template<class T> using vv=vector<vector< T > >;

int main() {
  int x, y;
  string w;
  cin >> x >> y >> w;
  x -= 1;
  y -= 1;
  vvi c(9, vi(9));
  char tmp;
  rep (i, 9) {
    rep (j, 9) {
      scanf(" %c", &tmp);
      c[j][i] = (tmp - '0');
    }
  }
  int dx, dy;
  dx = 0;
  dy = 0;
  int len = w.length();
  if (w.find_first_of('R') < (size_t)len) {
    dx = 1;
  }
  if (w.find_first_of('L') < (size_t)len) {
    dx = -1;
  }
  if (w.find_first_of('D') < (size_t)len) {
    dy = 1;
  }
  if (w.find_first_of('U') < (size_t)len) {
    dy = -1;
  }

  int cur_x = x;
  int cur_y = y;
  rep (i, 4) {
    printf("%d", c[cur_x][cur_y]);
    int next_x = cur_x + dx;
    if (next_x < 0 || next_x >= 9) {
      dx *= (-1);
      next_x = cur_x + dx;
    }
    int next_y = cur_y + dy;
    if (next_y < 0 || next_y >= 9) {
      dy *= (-1);
      next_y = cur_y + dy;
    }
    cur_x = next_x;
    cur_y = next_y;
  }
  printf("\n");

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:51:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
       scanf(" %c", &tmp);
                         ^

Judge Result