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#include "stdio.h"int yang(int x,int y){if(y==0||x==y) return 1;else return yang(x-1,y-1)+yang(x-1,y);}main(){int i,j,m,x,k;printf("the x is:");scanf("%d",&x);for(i=1;i<=x;i++){k=40-(i-1)*2;&nb....
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