1-9 Job 1

main.m//job 1////Created by syrcfwzx on 16/1/9.//Copyright (c) 2016 SYRCFWZX. All rights reserved.//#import <Foundation/Foundation.h> #define NSLOG (FORMAT, ...) printf ("%s\n", [[NSString                Stringwithformat:format, # #__VA_ARGS__] utf8string]) int main (int argc, const char * argv[]) {@autoreleasepool {        nsnumber* num = [NSNumber numberwithint:123456789];        nsstring* str = [NSString stringwithformat:@ "%@", Num];        nsmutablestring* reverse = [nsmutablestring string];        nsmutablearray* array = [Nsmutablearray array];        Nsinteger len = [str length];            for (Nsinteger i=len-1;i>=0;i--) {Unichar c = [str characteratindex:i];            nsstring* temp = [NSString stringwithcharacters:&c length:1];        [Array addobject:temp];        } for (the ID obj in array) {NSLog (@ "%@", obj);        } NSLog (@ "??????????????????????????????????????"); nsmutablearray* arr = [Nsmutablearray aRray]; For (Nsinteger i =str.length-1;i>=0;i--) {nsstring* STR4 = [Str Substringwithrange:nsmakerange (I, 1)]            ;        [Arr ADDOBJECT:STR4];        } for (id obj in arr) {NSLog (@ "%@", obj); }} return 0;}

1-9 Job 1