Submission #867163

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Source Code Expand

#include <algorithm>
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <iostream>
#include <vector>
#include <sstream>
#include <set>
using namespace std;
using ll = long long;

class range {private: struct I{int x;int operator*(){return x;}bool operator!=(I& lhs){return x<lhs.x;}void operator++(){++x;}};I i,n;
public:range(int n):i({0}),n({n}){}range(int i,int n):i({i}),n({n}){}I& begin(){return i;}I& end(){return n;}};

char s[520][520];

int main() {
  int H, W;
  while (scanf("%d%d", &H, &W) != EOF) {
    for (int i : range(H)) scanf(" %s", s[i]);

    for (int i : range(H)) {
      for (int j : range(W)) {
        if (j != W - 1 && (j == 0 || i % 2 == 0 || s[i][j] == '#')) printf("#");
        else printf(".");
      }
      puts("");
    }

    puts("");

    for (int i : range(H)) {
      for (int j : range(W)) {
        if (j != 0 && (j == W - 1 || i % 2 == 1 || s[i][j] == '#')) printf("#");
        else printf(".");
      }
      puts("");
    }
  }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:22:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for (int i : range(H)) scanf(" %s", s[i]);
                                              ^

Judge Result