mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
35 lines
671 B
C++
35 lines
671 B
C++
#include<stdio.h>
|
|
#include<string.h>
|
|
int main ()
|
|
{
|
|
__int64 dp[50][50];
|
|
int map[50][50];
|
|
int i,j,n;
|
|
char c;
|
|
while(~scanf("%d",&n)&&n!=-1)
|
|
{
|
|
getchar();
|
|
for(i=1;i<=n;i++)
|
|
{
|
|
for(j=1;j<=n;j++)
|
|
{
|
|
scanf("%c",&c);
|
|
map[i][j]=c-48;
|
|
}
|
|
getchar();
|
|
}
|
|
memset(dp,0,sizeof(dp));
|
|
dp[1][1]=1;
|
|
for(i=1;i<=n;i++)
|
|
for(j=1;j<=n;j++)
|
|
{
|
|
if(!map[i][j])
|
|
continue;
|
|
dp[i+map[i][j]][j]+=dp[i][j];
|
|
dp[i][j+map[i][j]]+=dp[i][j];
|
|
}
|
|
printf("%I64d\n",dp[n][n]);
|
|
}
|
|
return 0;
|
|
}
|