52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
#include<stdio.h>
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#include<string.h>
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int main()
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{
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int n,m;
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int dp[50][50];
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int i,l;
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int x,y,flag;
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int x1,y1,x2,y2;
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while(scanf("%d%d",&n,&m)!=-1)
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{
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scanf("%d%d%d%d",&y1,&x1,&y2,&x2);
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if(x1+y1>x2+y2) {x=x1;y=y1;}
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else {x=x2;y=y2;}
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if(x1!=x2) flag=-1;
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else flag=1;
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memset(dp,0,sizeof(dp));
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dp[0][0]=1;
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for(l=1;l<m;l++)
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{
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if(x==0 && l==y)dp[0][l]=0;
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else dp[0][l]=dp[0][l-1];
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}
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for(i=1;i<n;i++)
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{
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for(l=0;l<m;l++)
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{
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if(i==x && l==y)
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{
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if(l!=0)
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{
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if(flag==-1) dp[i][l]=dp[i][l-1];
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else dp[i][l]=dp[i-1][l];
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}
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else
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{
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if(flag==-1) dp[i][l]=0;
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else dp[i][l]=dp[i-1][l];
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}
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}
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else
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{
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if(l==0) dp[i][l]=dp[i-1][l];
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else dp[i][l]=dp[i-1][l]+dp[i][l-1];
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}
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}
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}
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printf("%d\n",dp[n-1][m-1]);
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}
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return 0;
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}
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