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Re:WA的看一下In Reply To:WA的看一下 Posted by:420788708 at 2010-09-18 21:28:26 > 如此的水题竟然还错,脑残了。 > 错在这一组了 > 2 4 > 1 1 2 2 > 2 2 3 3 > 我用了一个sort一个qsort,使用了结构体 > 附代码, > #include<iostream> > #include<algorithm> > #include<cstring> > #include<cstdio> > using namespace std; > struct ld > { > int x,y; > }b[250005]; > int cmp(const void *elem1,const void *elem2) > { > struct ld *c=(struct ld *)elem1; > struct ld *d=(struct ld *)elem2; > if(c->x==d->x) > return d->y-c->y; > return c->x-d->x; > } > int main() > { > int a[250005]; > int i,k,j,s,rem,t,g; > while(scanf("%d%d",&i,&j)&&(i||j)) > { > memset(b,0,sizeof(b)); > memset(a,0,sizeof(a)); > s=i*j; > for(k=0;k<s;k++) > scanf("%d",&a[k]); > sort(a,a+k); > rem=1;g=0; > for(k=1;k<s;k++) > { > if(a[k-1]!=a[k]) > { > b[g].x=rem; > b[g].y=a[k-1]; > g++; > rem=1; > } > else > rem++; > } > if(a[k-1]!=a[k-2]) > { > b[g].x=1; > } > else > { > b[g].x=rem; > } > b[g].y=a[k-1]; > g++; > qsort(b,g,sizeof(b[0]),cmp); > t=b[g-1].x; > for(i=g-2;i>=0;i--) > if(b[i].x!=t)break; > printf("%d ",b[i].y); > t=b[i].x; > for(i--;i>=0;i--) > { > if(b[i].x!=t) > break; > printf("%d ",b[i].y); > } > printf("\n"); > } > return 0; > } Followed by:
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