gouroutine 练习题

package main import ( "fmt" ) //我们用一个结构体来存入题目中numChan的需要计算的数据 type haha struct { num int sum int } var ( chann = make(chan int,2000) //用来传入1-2000个数 Sumchan = make(chan *haha) //存储1+...+n的值

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