题解 | #自守数#
自守数
http://www.nowcoder.com/practice/88ddd31618f04514ae3a689e83f3ab8e
let line
while(line = readline()){
let num = parseInt(line);
let count = 0
for(let i=0;i<=num;i++){
let power = Math.pow(i,2);
let str = String(power)
let idot = String(i)
if(str.endsWith(idot)){
count++
}
}
console.log(count)
}
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