umq

#import <Foundation/Foundation.h>

// gcc -framework Foundation XX.m -o XX.exe

int main(int argc, const char *argv[]){
  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

  // STEP1 普通にjoinする（空の要素がない場合）
  NSArray *array_part_a = [NSArray arrayWithObjects:@"1", @"2", @"3", @"4", @"5", @"6", nil];
  NSString *string_a = [array_part_a componentsJoinedByString:@" / "];