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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     ios::sync_with_stdio(0);
  6.     cin.tie(0);
  7.  
  8.     int n;
  9.     cin >> n;
  10.  
  11.     int a[n+1][n+1];
  12.     int dp[n+1][n+1] = {0};
  13.  
  14.     for(int i = 1; i <= n; i++)
  15.         for(int j = 1; j <= n; j++)
  16.             cin >> a[i][j];
  17.  
  18.     if(a[1][1] == 0)
  19.         dp[1][1] = 1;
  20.  
  21.     for(int i = 1; i <= n; i++) {
  22.         for(int j = 1; j <= n; j++) {
  23.             if(a[i][j] == 1) continue;
  24.  
  25.             if(i > 1) dp[i][j] = (dp[i][j] + dp[i-1][j]);
  26.             if(j > 1) dp[i][j] = (dp[i][j] + dp[i][j-1]);
  27.         }
  28.     }
  29.  
  30.     cout << dp[n][n] % 1000000;
  31.  
  32.     return 0;
  33. }
Success #stdin #stdout 0.01s 5320KB
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stdin
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5
0 1 1 0 0
0 0 1 0 1
0 0 0 0 0
1 0 1 0 0
0 0 0 0 0
stdout
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8
https://ideone.com/VbBUkg
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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