oj.uz

Submission #74356

# Submission time Handle Problem Language Result Execution time Memory
74356 2018-08-31T11:02:02 Z khsoo01 The City and The Bitcoin (FXCUP2_city) C++11
1 / 1
 17 ms 2292 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 305;
 
int n, m, a[N][N];
 
void dfs (int X, int Y) {
	if(!a[X][Y]) return;
	a[X][Y] = 0;
	dfs(X+1, Y); dfs(X, Y+1);
}
 
int main()
{
	scanf("%d%d",&m,&n);
	for(int i=1;i<=n;i++) {
		for(int j=1;j<=m;j++) {
			scanf("%d",&a[i][j]);
		}
	}
	dfs(1, 1);
	puts(a[n][m]?"No":"Yes");
}

Compilation message

city.cpp: In function 'int main()':
city.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&m,&n);
  ~~~~~^~~~~~~~~~~~~~
city.cpp:18:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&a[i][j]);
    ~~~~~^~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 404 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 3 ms 644 KB Output is correct
6 Correct 2 ms 644 KB Output is correct
7 Correct 2 ms 644 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 3 ms 704 KB Output is correct
10 Correct 2 ms 704 KB Output is correct
11 Correct 4 ms 748 KB Output is correct
12 Correct 5 ms 988 KB Output is correct
13 Correct 6 ms 988 KB Output is correct
14 Correct 6 ms 1240 KB Output is correct
15 Correct 8 ms 1376 KB Output is correct
16 Correct 10 ms 1384 KB Output is correct
17 Correct 13 ms 1764 KB Output is correct
18 Correct 10 ms 1932 KB Output is correct
19 Correct 17 ms 2112 KB Output is correct
20 Correct 12 ms 2292 KB Output is correct