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Re:Hellp! My code here ! plz give me some test data,i'm always wa, thx a lot!In Reply To:Hellp! My code here ! plz give me some test data,i'm always wa, thx a lot! Posted by:ACM06019 at 2006-10-13 11:40:33 > #include <stdio.h>
>
> #define maxn 4501
>
> #define MOD 1000000007
>
> int dp[maxn][maxn];
>
> int main()
> {
> int n,m,i,j;
> scanf("%d%d",&m,&n);
> for (i=0; i<=m; i++) dp[1][i]=dp[0][i]=1;
> for (i=0; i<=n; i++) dp[i][1]=dp[i][0]=1;
> for (i=2; i<=n; i++)
> for (j=2; j<=i && j<=m; j++)
> {
> dp[i][j]=(dp[i][j-1]+dp[i-j][j]) % MOD;
> }
> if (m<=n)
> printf("%d",dp[n][m]);
> else printf("%d",dp[n][n]);
> return 0;
> }
>
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