随笔分类 -  输入

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摘要：int read() { int res = 0; char c = getchar(); while(!isdigit(c)) c = getchar(); while(isdigit(c)) res = (res << 1) + (res << 3) + c - 48, c = getchar( 阅读全文
posted @ 2021-08-28 11:25 废柴废柴少女 阅读(32) 评论(0) 推荐(0)