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#include <iostream> #include <cstdio> #include <cstring> #define ll long long using namespace std; ll dp[105][105];//length,sum int N,K; void DP() { memset(dp,0,sizeof(dp)); for(int i=0;i<105;i++) dp[1][i]=1; for(int length = 2;length<=K;length++) { dp[length][0]=1; for(int sum=1;sum<=N;sum++) { for(int j=0;j<=sum;j++) { dp[length][sum]+=dp[length-1][sum-j]; dp[length][sum]%=1000000; } } } } int main() { while(scanf("%d%d",&N,&K),N+K) { DP(); cout<<dp[K][N]<<"\n"; } return 0; } |