题解 | #合并表记录#
合并表记录
http://www.nowcoder.com/practice/de044e89123f4a7482bd2b214a685201
const num = readline(); let obj = {}; while(line = readline()){ const [index,value] = line.split(' '); if(obj[index]){ obj[index] = (+value) + (+obj[index]) }else { obj[index] = (+value) } }
for (const key in obj) { console.log(key,obj[key]) }
