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Re:郁闷了一上午,删除所有优化后AC了In Reply To:郁闷了一上午,删除所有优化后AC了 Posted by:xnby at 2005-12-03 11:51:21 > #include<stdio.h> > main() > { > int b[100][100],m[100],p[100][100]; > int i,j,k,l,bmax,bmin,sump,t,n,tmin; > double max; > scanf("%d",&t); > for(i=0;i<t;i++) > { > bmax=0;bmin=32767; > scanf("%d",&n); > for(j=0;j<n;j++) > { > scanf("%d",&m[j]); > for(k=0;k<m[j];k++) > { > scanf("%d%d",&b[j][k],&p[j][k]); > if (bmax<b[j][k]) bmax=b[j][k]; > if (bmin>b[j][k]) bmin=b[j][k]; > } > } > max=0.0; > for(j=bmin;j<=bmax;j++) > { > sump=0; > for(k=0;k<n;k++) > { > tmin=32767; > for(l=0;l<m[k];l++) > if(b[k][l]>=j&&p[k][l]<tmin) > tmin=p[k][l]; > sump+=tmin; > } > if((double)j/(double)sump>max)max=(double)j/(double)sump; > } > printf("%.3lf\n",max); > } > } > 测试数据比较弱吧,在找最小值时出错,也照样AC了。 Followed by:
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