题解 | #合并表记录#
合并表记录
https://www.nowcoder.com/practice/de044e89123f4a7482bd2b214a685201
let n = await readline();
let obj = {};
while ((line = await readline())) {
let num = line.split(" ");
let index=parseInt(num[0])
let value=parseInt(num[1])
if (obj[index]) {
obj[index] += value;
} else {
obj[index] = value;
}
}
for(let item in obj){
console.log(`${item} ${obj[item]}`)
}
#合并表记录#
查看13道真题和解析
