冒泡選擇排序

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 NSMutableArray *mArray = [NSMutableArray arrayWithObjects:@4,@5,@9,@2,@3,@3,@2,@7, nil];       for (int i = 0; i<mArray.count-1; i++) {        for (int j = 0; j<mArray.count - i-1; j++) {            if (mArray[i] < mArray[i+1]) {                NSInteger temp = [mArray[i+1]integerValue];                mArray[i+1] = mArray[i];                mArray[i] = [NSNumber numberWithInteger:temp];            }        }    }            for (int i = 0; i<mArray.count-1; i++) {        for (int j = 0; j<mArray.count - i-1; j++) {            if (mArray[j] < mArray[j+1]) {                NSInteger temp = [mArray[j+1]integerValue];                mArray[j+1] = mArray[j];                mArray[j] = [NSNumber numberWithInteger:temp];            }        }    }            for (int i = 0; i<mArray.count-1; i++) {        for (int j = i; j<mArray.count-1; j++) {            if (mArray[j]<mArray[j+1]) {                NSInteger temp = [mArray[j+1]integerValue];                mArray[j+1] = mArray[j];                mArray[j] = [NSNumber numberWithInteger:temp];            }        }    }            for (int i = 0; i<mArray.count-1; i++) {        for (int j = i; j<mArray.count-1; j++) {            if (mArray[i]<mArray[j+1]) {                NSInteger temp = [mArray[j+1]integerValue];                mArray[j+1] = mArray[i];                mArray[i] = [NSNumber numberWithInteger:temp];            }        }    }                   [mArray enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {        NSLog(@"value %@",obj);    }];

冒泡選擇排序