Submission #247086

#	Time	Username	Problem	Language	Result	Execution time	Memory
247086		arnold518	Sandwich (JOI16_sandwich)	C++14	0 / 100	5 ms	384 KiB

sandwich

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 400;
const int INF = 1e7;

int N, M;
char A[MAXN+10][MAXN+10];
int ans[MAXN+10][MAXN+10];

int main()
{
	int i, j, k;

	scanf("%d%d", &N, &M);
	for(i=1; i<=N; i++) scanf(" %s", A[i]+1);

	for(i=1; i<=N; i++) for(j=1; j<=M; j++) ans[i][j]=INF;
	for(k=1; k<=N*M; k++)
	{
		for(i=1; i<=N; i++) for(j=1; j<=M; j++)
		{
			if(A[i][j]=='N')
			{
				ans[i][j]=min(ans[i][j], max(ans[i-1][j], ans[i][j+1])+1);
				ans[i][j]=min(ans[i][j], max(ans[i+1][j], ans[i][j-1])+1);
			}
			else
			{
				ans[i][j]=min(ans[i][j], max(ans[i-1][j], ans[i][j-1])+1);
				ans[i][j]=min(ans[i][j], max(ans[i+1][j], ans[i][j+1])+1);
			}
		}
	}
	for(i=1; i<=N; i++)
	{
		for(j=1; j<=M; j++)
		{
			if(ans[i][j]==INF) printf("-1 ");
			else printf("%d ", ans[i][j]*2);
		}
		printf("\n");
	}
}

Compilation message (stderr)

sandwich.cpp: In function 'int main()':
sandwich.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~
sandwich.cpp:20:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=N; i++) scanf(" %s", A[i]+1);
                      ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 35
• Subtask 2: 0 / 65