Submission #1174677

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <algorithm>

using namespace std;

#define REP(i,n)   for(int i=0; i<(int)(n); i++)
#define FOR(i,b,e) for(int i=(b); i<=(int)(e); i++)

const int H_MAX = 100;
const int W_MAX = 100;

int H, W;
char S[H_MAX][W_MAX + 1];
char T[H_MAX][W_MAX + 1];
char U[H_MAX][W_MAX + 1];

void solve() {
  copy(S[0], S[H], T[0]);
  REP(i, H) REP(j, W) {
    if (S[i][j] != '.') continue;
    FOR(di, -1, 1) FOR(dj, -1, 1) {
      int i2 = i + di, j2 = j + dj;
      if (i2 < 0 || i2 >= H || j2 < 0 || j2 >= W) continue;
      T[i2][j2] = '.';
    }
  }

  copy(T[0], T[H], U[0]);
  REP(i, H) REP(j, W) {
    if (T[i][j] != '#') continue;
    FOR(di, -1, 1) FOR(dj, -1, 1) {
      int i2 = i + di, j2 = j + dj;
      if (i2 < 0 || i2 >= H || j2 < 0 || j2 >= W) continue;
      U[i2][j2] = '#';
    }
  }

  if (memcmp(S, U, sizeof(S)) == 0) {
    puts("possible");
    REP(i, H) puts(T[i]);
  } else {
    puts("impossible");
  }
}

void input() {
  scanf("%d%d", &H, &W);
  REP(i, H) scanf("%s", S[i]);
}

int main() {
  input();
  solve();
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void input()’:
./Main.cpp:48:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &H, &W);
                        ^
./Main.cpp:49:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   REP(i, H) scanf("%s", S[i]);
                              ^

Judge Result