9宫格for循环

9宫格for循环

// 总数
NSUInteger totalCount = 9;
// 总列数
NSUInteger columnMaxCount = 6; 
// 总行数
//NSUInteger row = (totalCount / columnMaxCount) + (totalCount % columnMaxCount == 0 ? 0 : 1); 
for (int i = 0; i < totalCount; i++)
{
    NSUInteger j = i % columnMaxCount; // 第j列
    NSUInteger k = i / columnMaxCount; // 第k列
    
    NSLog(@"%ld %ld",(long)j,k);
}