Practice string into a dictionary array in descending order the string directory does not exist array Chinese sort

#import <Foundation/Foundation.h>

int main (int argc, const char * argv[]) {

@autoreleasepool {

/* 1th Please store the following data in a dictionary and output the dictionary content as a string output: "xxx, age xxx, subject xxx, score xxx" (replace XXX with the corresponding data).

*/

NSString *name = @ "Zhang San";

Nsinteger age = 22;

NSNumber *[email protected];

NSString *subject = @ "Mathematics";

Nsdictionary *[email protected]{@ "name": Name,

@ ' age ': @ (age),

@ "Score": Score,

@ "Subject": Subject

};

NSString *str1=[nsstring stringwithformat:@ "%@ age%@ account%@ score%@", dic[@ "name"],dic[@ "ages"],dic[@ "score"],dic[@ "subject "]];

NSLog (@ "%@", str1);

NSLog (@ "%@ age%@ account%@ score%@", dic[@ "name"],dic[@ "ages"],dic[@ "score"],dic[@ "subject"]);

/* Question 2nd: 12,9,34,56,11 into Nsarray array, output: 1) Reverse output 2) descending output */

Nsmutablearray *arr=[@[@12,@9,@34,@56,@11]mutablecopy];

Nsarray *arr1=[arr sortedarrayusingcomparator:^nscomparisonresult (ID obj1, id obj2) {

return [Obj2 compare:obj1];

}];

NSLog (@ "descending output");

For (ID ste in Arr1) {

NSLog (@ "%@", Ste);

}

NSLog (@ "reverse");

for (int i = 0; i<arr.count/2; i++) {

[Arr exchangeobjectatindex:i withobjectatindex:arr.count-1-i];

}

NSLog (@ "%@", ARR);

Reverse Method Two

Nsarray *[email protected][@12,@9,@34,@56,@11];

For (Nsinteger I=[arr3 count]-1;i>=0;i--) {

NSLog (@ "%@", Arr3[i]);

}

/* Question 3rd to determine if the intermediate directory exists

such as passing strings @ "/home/qianfeng/oc.txt" and @ "Qianfeng"

return: YES

Incoming string @ "/usr/qianfeng/oc.txt and @" Fengqian "

return: NO

*/

NSString *[email protected] "/home/qianfeng/oc.txt";

Nsrange ran=[string rangeofstring:@ "Qianfeng"];

if (ran.location==nsnotfound) {

NSLog (@ "NO");

}else{nslog (@ "YES");}

NSString *[email protected] "/usr/qianfeng/oc.txt";

Nsrange rang1=[str rangeofstring:@ "Fengqian"];

if (rang1.location==nsnotfound) {

NSLog (@ "NO");

}

else{

NSLog (@ "YES");

}

4th the elements in the array are sorted by Chinese

Nsarray *[email protected][@ "Light Rain", @ "Ann", @ "small wind", @ "Rongrong", @ "Zhang Tao" @ "Li Wenrong"];

Nsarray *arrr=[arr sortedarrayusingselector: @selector (localizedstandardcompare:)];

For (ID ser in arrr) {

NSLog (@ "%@", Ser);

}

}

return 0;

}

Practice string is stored in the dictionary array in descending order the string directory does not exist in the array Chinese sort