剑不飞

摘要： Home on the RangeFarmer John grazes his cows on a large, square field N (2 = 2x2) remaining. Of course, grazing areas may overlap for purposes of this report.PROGRAM NAME: rangeINPUT FORMATLine 1:N, the number of miles on each side of the field.Line 2..N+1:N characters with no spaces. 0 represents & 阅读全文