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为什么WA呢?程序如下#include<stdio.h> main() {int i,j,n,k; long a[10001]; while(scanf("%d%d",&n,&k)) {if(n==-1&&k==-1)break; for(i=0;i<=n;i++) scanf("%ld",&a[i]); if(k==0){printf("%d\n",0); continue;} for(i=0;i<=n-k;i++) {if(a[i]==0)i++; if(i>n-k)break; a[i+k]-=a[i]; a[i]=0; } for(j=i;j<=n;j++) {printf("%ld",a[j]); if(j<n)printf(" "); else printf("\n"); } } } Followed by:
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