Submission #1608368

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Source Code Expand

#include <ctime>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <algorithm>
#include <iostream>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <map>
using namespace std;

typedef long long ll;
typedef double lf;
typedef long double Lf;
typedef pair <int,int> pii;
typedef pair <ll, ll> pll;

#define TRACE(x) cerr << #x << "  " << x << endl
#define FOR(i, a, b) for (int i = (a); i < int(b); i++)
#define REP(i, n) FOR(i, 0, n)
#define all(x) (x).begin(), (x).end()
#define _ << " " <<

#define fi first
#define sec second
#define mp make_pair

const int MAXN = 510;

int n, m, h, w, p[MAXN][MAXN];

int main() {
  scanf("%d %d %d %d",&n,&m,&h,&w);
  if (n == h && m == w) {
    puts("No");
    return 0;
  }

  REP(i, h) REP(j, w) p[i][j] = 1;
  p[h - 1][w - 1] = -w * h;

  FOR(j, w, m) REP(i, h) p[i][j] = p[i][j % w];
  FOR(i, h, n) REP(j, m) p[i][j] = p[i % h][j];

  ll sum = 0;
  REP(i, n) REP(j, m) sum += p[i][j];
  if (sum <= 0) {
    puts("No");
    return 0;
  }

  puts("Yes");
  REP(i, n) {
    REP(j, m) printf("%d ",p[i][j]);
    puts("");
  }

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:37:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d",&n,&m,&h,&w);
                                   ^

Judge Result