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{"managingGroups":{},"author":"cs4fun","updateTime":1675401450000,"title":"usaco silver practice problems","dislikeCnt":0,"content":"This is a selection of all useful usaco silver level problems based on usaco.guide.","threadId":136390,"likeCnt":0,"createTime":1675401450000,"isWorkbook":false,"viewCnt":253,"openness":2,"fav":false,"id":3440,"trustable":false}