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加入有11张图片,要每行显示3列11/3 = 3 11%3 = 2 一共要显示4行 这样判断if(pic_num % 3 != 0){ row_num = pic /3 +1;}else{row_num = pic / 3;}这样就计算出了行数第一行: 1 2 3 n = 1: 3n-2 3n-1 3n 4 5 6 n = 2: 3n-2 3n-1...
G - B-number HDU - 3652 A wqb-number, or B-number for short, is a non-negative integer whose decimal form contains the sub- string 13 and can be divided by 13. For example, 130 and 2613 are wqb-n...