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题解 | 判断链表中是否有环

#include <stdbool.h> /** * struct ListNode { * int val; * struct ListNode *next; * }; */ /** * * @param head ListNode类 * @return bool...

2025-03-01

0 32

题解 | #扑克牌大小#

#include <iostream> #include<string> #include<algorithm> using namespace std; string Res(const string& s) { if(s.find("...

2023-10-29

0 272

题解 | #杨辉三角的变形#

#include <iostream> using namespace std; int Res(int n) { if(n==1||n==2) return -1; if(n%2!=0) return 2; if(n%4==0) ...

2023-10-29

0 198

题解 | #把字符串转换成整数#

class Solution { public: int StrToInt(string str) { int sum=0; int flag=1; if(str.size()==0) return 0; ...

2023-10-08

0 235

题解 | #字符串最后一个单词的长度#

#include <iostream> #include<string> using namespace std; int main() { string s; getline(cin,s); int i=s.rfind(' '); cout...

2023-09-05

0 262

题解 | #获得月份天数#

#include <stdio.h> int main() { int year = 0; int month = 0; while(scanf("%d %d", &year, &month)!=EOF) { switch (month) { case 1: c...

2023-04-05

0 182

题解 | #获得月份天数#

#include <stdio.h> int main() { int year = 0; int month = 0; while(scanf("%d %d", &year, &month)!=EOF) { switch (month) { case 1: c...

2023-04-05

0 208

题解 | #删除公共字符#

#include <stdio.h> int Is_exist(char* arr, char ch) { while (*arr) { if (*arr == ch) { return 1; } arr++...

2023-04-04

0 277

题解 | #添加逗号#

int main() { int arr[10] = { 0 }; long num = 0; int i = 0; int j = 0; int count = 0; int m = 0; scanf("%d", &num); if...

2023-04-04

0 253

题解 | #计算日期到天数转换#

#include <stdio.h> int main() { int year=0; int month=0; int day=0; int sum=0; scanf("%d %d %d",&year,&month,&day); sw...

2023-03-31

0 269