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1218是什么意思?1218是什么意思?我真不知道,只知道前辈们说是求n以内完全平方数的个数!读哪个题目真是很纠结,第一次是开所有的锁第二次是锁2,4,6……的锁,第三次是看3,6,9……的锁,是开的就锁,是锁着的就开,那么我就不明白第四次该怎么办了……我很愚钝……所以就借鉴前辈的结论,写了个水的代码 #include"stdio.h" #include"math.h" int main() { int n,m,t; scanf("%d",&n); while(n --) { scanf("%d",&m); t=sqrt(m); printf("%d\n",t); } return 0; } 竟然过了,……我汗…… Followed by:
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