22 lines
707 B
Objective-C
22 lines
707 B
Objective-C
#import <Foundation/Foundation.h>
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int main (int argc, const char *argv[]) {
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@autoreleasepool {
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NSData *data = [NSData dataWithContentsOfFile:@(argv[1])];
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NSString *string = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
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NSCountedSet *countedSet = [[NSCountedSet alloc] init];
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NSUInteger len = [string length];
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for (NSUInteger i = 0; i < len; i++) {
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unichar c = [string characterAtIndex:i];
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if ([[NSCharacterSet letterCharacterSet] characterIsMember:c])
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[countedSet addObject:@(c)];
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}
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for (NSNumber *chr in countedSet) {
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NSLog(@"%C => %lu", (unichar)[chr integerValue], [countedSet countForObject:chr]);
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}
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}
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return 0;
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}
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