用OC语法实现冒泡排序
1 NSMutableArray *arrM = [NSMutableArray arrayWithObjects:@"5", @"6", @"7", @"3", @"4", nil]; 2 3 NSUInteger count = arrM.count; 4 for (NSUInteger i = 0; i < count; i++) { 5 for (NSUInteger j = i+1; j < count; j++) { 6 int a = [arrM[i] intValue]; 7 int b = [arrM[j] intValue]; 8 if (a < b) { 9 arrM[i] = [NSString stringWithFormat:@"%d", b]; 10 arrM[j] = [NSString stringWithFormat:@"%d", a]; 11 } 12 } 13 } 14 NSLog(@"%@",arrM);