46 lines
976 B
C++
46 lines
976 B
C++
#include <stdio.h>
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#include <memory.h>
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using namespace std;
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int num[100],price[100],c1[10050],c2[10050];
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int main(){
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int n,sum;
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int m;
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while(~scanf("%d",&n)&&n)
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{
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sum=0;
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memset(c1,0,sizeof(c1));
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memset(c2,0,sizeof(c2));
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for(int i=1;i<=n;i++)
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{
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scanf("%d%d",&price[i],&num[i]);
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sum+=price[i]*num[i];
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}
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m=sum/3;
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if(sum%3!=0)
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{
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printf("sorry\n");
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continue;
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}
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for(int i=0;i<=num[1]*price[1]&&i<=m;i+=price[1])
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c1[i]=1;
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for(int i=2;i<=n;i++)
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{
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for(int j=0;j<=m;j++)
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{
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for(int k=0;k<=num[i]*price[i]&&k+j<=m;k+=price[i])
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c2[k+j]+=c1[j]%10000;
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}
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for(int j=0;j<=m;j++)
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{
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c1[j]=c2[j]%10000;
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c2[j]=0;
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}
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}
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if(c1[m]==0)
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printf("sorry\n");
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else
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printf("%d\n",c1[m]);
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}
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return 0;
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}
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