https://www.nowcoder.com/practice/9a763ed59c7243bd8ab706b2da52b7fd?tpId=37&tags=&title=&diffculty=0&judgeStatus=0&rp=1 这道题,我把报错的用例粘到数据自测,测试通过,但是保存提交,这个用例就报错 let iArr,rArr; while(iArr = readline()){ iArr = iArr.split(' ').slice(1); rArr = readline().split(' ').slice(1).map(e => parseInt(e)); const result = []; rArr.sort((a,b) => a - b); for(let i = 0; i < rArr.length; i ++){ if(i !== 0 && rArr[i] == rArr[i - 1]){ continue; } const res = []; for(let j = 0; j < iArr.length; j ++){ if(iArr[j].includes(rArr[i])){ res.push(j, iArr[j]); } } if(res.length > 0){ result.push(rArr[i], res.length / 2, ...res); } } result.unshift(result.length); console.log(result.join(' ')); }