此时此刻没有想法，顺手写的，可能有很多bug，欢迎指正。。。
-(BOOL)suibian:(NSArray *)array{
NSMutableArray *tempArr = [NSMutableArray array];
NSMutableArray *tempArr2 = [NSMutableArray array];
for (int i = 1; i < array.count; i ++) {
if ([array[i] integerValue] > [array[i - 1] integerValue] ) {
NSInteger max = [array[i] integerValue];
NSInteger min = [array[i - 1] integerValue];
if (max - min == 1) {
[tempArr addObject:@"yes"];
}
}
}
for (int i = 1; i < array.count; i ++) {
if ([array[i] integerValue] < [array[i - 1] integerValue] ) {
NSInteger max = [array[i - 1] integerValue];
NSInteger min = [array[i] integerValue];
if (max - min == 1) {
[tempArr2 addObject:@"yes"];
}
}
}
if (tempArr.count == 5 || tempArr2.count == 5) {
return YES;
}else{
return NO;
}
}
判断数组中，字母是否连续
FOUNDATION_EXPORT BOOL hasSerialSubstrWithString(NSString * string);
+(BOOL)hasSerialSubstrWithString(NSString *string) {
NSUInteger markLength = 3;
if(markLength > string.length){
return NO;
}
NSUInteger length = string.length;
NSUInteger substrLength = 0;
NSUInteger index = 0;
BOOL isDesc = 1;
// 65-90 A-Z 97-122 a-z
while (index < length) {
int asciiCode = [string characterAtIndex:index];
NSLog(@"%d,%lu",asciiCode,substrLength);
if(!(asciiCode >= 65 && asciiCode <= 90) && !(asciiCode >= 97 && asciiCode <= 122) ){
if(index >= length - 1){
return NO;
}else {
index++;
substrLength = 0;
isDesc = NO;
NSLog(@"d1");
continue;
}
}
if(index + 1 >= length){
return NO;
}
int nextAscii = [string characterAtIndex:index + 1];
if(!(nextAscii >= 65 && nextAscii <= 90) && !(nextAscii >= 97 && nextAscii <= 122) ){
substrLength = 0;
index += 2;
continue;
}
if(nextAscii - asciiCode == 1 ){
if(substrLength == 0){
substrLength++;
index++;
isDesc = NO;
continue;
}else{
if(isDesc){
substrLength = 0;
index += 1;
continue;
}else{
substrLength++;
index++;
if(substrLength >= markLength){
return YES;
}
continue;
}
}
}else if(nextAscii -asciiCode == -1){
if(substrLength == 0){
substrLength++;
index++;
isDesc = YES;
continue;
}else{
if(isDesc){
substrLength++;
index++;
if(substrLength >= markLength){
return YES;
}
continue;
}else{
substrLength = 0;
index += 1;
continue;
}
}
}else {
substrLength = 0;
index ++;
continue;
}
}
return NO;
}
