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摘要: #include #include #include #include #include #define pi acos(-1) #define rep(i,x,y) for(register int i = x; i '9'); do { x = x*10 + c - '0';c = getchar(); }while(c = '0'); x *= sign; ret... 阅读全文
posted @ 2017-10-18 16:59 DDYYZZ 阅读(901) 评论(0) 推荐(0) 编辑