html 50个字符随机,随机 随机获得100个50-100的数字字符串，存到数组并输出

#import

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

@autoreleasepool {

NSMutableArray *arr=[NSMutableArray array];

for (int i=0; i<100; i++) {

if (i<100) {

int x=(arc4random()%51)+50;

NSString *str=[NSString stringWithFormat:@"%d",x];

[arr addObject:str];

}

}

NSLog(@"%@",arr);

}

return 0;

}

#import

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

@autoreleasepool {

NSMutableArray *arr=[NSMutableArray array];

for (int i=0; i<100; i++) {

if (i<100) {

int x=(arc4random()%51)+50;

NSString *str=[NSString stringWithFormat:@"%d",x];

[arr addObject:str];

}

}

NSLog(@"%@",arr);

}

return 0;

}

原文：http://www.cnblogs.com/j-h-t-123-n/p/5118117.html