24 条题解

  • 2
    @ 2025-10-22 14:55:09
    #include<bits/stdc++.h>
    using namespace std;
    const int N=1e3+10;
    int a[N];
    int main()
    {
    	char n;
    	cin >> n;
    	if(isupper(n))
    	{
    		n+=32;
    	}
    	else
    	{
    		n-=32;
    	}
    	cout << n;
    	return 0;
    }
    
    

    用函数

    • 1
      @ 2025-7-29 15:17:58
      #include <iostream>
      using namespace std;
      int main()
      {
      	char a;
      	cin >> a;
      	if(a >= 65 && a <= 90)
      	{
      		cout << (char)(a+=32);
      	}
      	else if(a >= 97 && a <= 122)
      	{
      		cout << (char)(a-32);
      	}
      	else
      	{
      		cout << a;
      	}
      	return 0;
      }
      
      • 0
        @ 2026-3-15 20:03:48
        #include<bits/stdc++.h>
        using namespace std;
        
        int main(){
        	char a;
        	cin>>a;
        	int b=a;
        	if(97<=b&&b<=122){
        		b-=32;
        	}else if(65<=b&&b<=90){
        		b+=32;
        	}
        	a=b;
        	cout<<a;
        	return 0;
        }
        
        • 0
          @ 2025-12-14 20:06:29
          #include<iostream>
          #include<cstdio>
          #include<cctype>
          #include<string.h>
          #include<math.h>
          #include<cmath>
          #include<algorithm>
          #include<iomanip>
          using namespace std;
          int main()
          {
          	char a;
          	cin>>a;
          	if(a>='A'&&a<='Z')
          	{
          		cout<<char(a+32);
          	} 
          	else if(a>='a'&&a<='z')
          	{
          		cout<<char(a-32);
          	}
          	else
          	{
          		cout<<a;
          	}
          	return 0;
          }
          
          
          
          • 0
            @ 2025-5-28 18:22:59

            #include using namespace std; int main () { char c; cin>>c; if('A'<=c&&c<='Z') { cout<<(char)(c+32); }else if(97<=c&&c<=122) { cout<<(char)(c-32); }else{ cout<<c; }
            }

            • 0
              @ 2025-5-28 18:21:58

              #include using namespace std; int main () { char c; cin>>c; if('A'<=c&&c<='Z') { cout<<(char)(c+32); }else if(97<=c&&c<=122) { cout<<(char)(c-32); }else{ cout<<c; }
              }

              • 0
                @ 2025-5-28 18:21:19

                #include using namespace std; int main () { char c; cin>>c; if('A'<=c&&c<='Z') { cout<<(char)(c+32); }else if(97<=c&&c<=122) { cout<<(char)(c-32); }else{ cout<<c; }
                }

                • 0
                  @ 2025-5-24 19:57:09
                  #include <iostream>
                  using namespace std;
                  int main()
                  {
                  	char a;
                  	cin>>a;
                  	if (a>=65&&a<90)
                  	{
                  		cout<<(a+=32);
                  	}
                  	else if(a>97&&a>122)
                  	{
                  		cout<<a-32;
                  	}
                  	return 0;
                  }
                  
                  
                  • 0
                    @ 2023-3-26 17:20:15

                    image

                    • 0
                      @ 2022-1-2 14:52:33
                      #include <stdio.h>
                      #include <iostream>
                      #include <math.h>
                      #include <iomanip>
                      using namespace std;
                      #define LL Long Long
                      const int N=1e5+10;
                      const int INF=0x3f3f3f3f;
                      int main()
                      {
                      
                          char a;
                          cin>>a;
                          if(a>=65&&a<=90){
                                  a+=32;
                              }else if(a>=97&&a<=122){
                                  a-=32;
                              }
                          cout<<a;
                          
                      
                      }
                      
                      • -1
                        @ 2024-5-22 20:32:57

                        #include using namespace std; int main() { char x; cin>>x; if(65<=x and x<=90) { x = x + 32; cout<<x; }else if(97<=x and x<=122) { x=x-32; cout<<x; }else { cout<<x; } return 0; }

                        • -1
                          @ 2023-6-25 14:22:21
                          #include <iostream>
                          #include <stdio.h>
                          #include <iomanip>
                          #include <math.h>
                          using namespace std;
                          const int N = 1e6 + 10;
                          const int INF = 0x3f3f3f3f;
                          int main()
                          {
                          	char a;
                          	cin >> a;
                          	if( a <= 90 && a >= 65 )
                          	{
                          		a = a + 32;
                          		cout << a;
                          	}
                          	else if( a >= 61 && a <= 122 )
                          	{
                          		a = a - 32;
                          		cout << a;
                          	}
                          	else
                          	{
                          		cout << a;
                          	}
                          	return 0;
                          }
                          
                          • -1
                            @ 2023-4-21 13:06:43

                            #include using namespace std; int main(){ char a; cin >>a; if(a>=65 && a<=90) a+=32; if(a>=97 && a<=122) a-=32; cout <<a; }

                            • -1
                              @ 2023-3-13 16:55:00
                              #include <stdio.h>
                              #include <iostream>
                              #include <math.h>
                              #include <iomanip>
                              using namespace std;
                              #define LL Long Long
                              const int N=1e5+10;
                              const int INF=0x3f3f3f3f;
                              int main()
                              {
                              
                                  char a;
                                  cin>>a;
                                  if(a>=65&&a<=90){
                                          a+=32;
                                      }else if(a>=97&&a<=122){
                                          a-=32;
                                      }
                                  cout<<a;
                                  
                              
                              }
                              
                              • -1
                                @ 2023-1-7 16:58:07
                                #include<iostream>
                                #include<iomanip>
                                #include<stdio.h>
                                #include<math.h>
                                #include<string>
                                #include<cstring>
                                using namespace std;
                                int main(){
                                	char a;
                                	cin>>a;
                                	if('a'<=a&&a<='z')a=toupper(a);
                                	else if('A'<=a&&a<='Z')a=tolower(a);
                                	cout<<a;
                                	return 0;
                                }
                                
                                • -1
                                  @ 2022-1-17 23:05:56
                                  #include <iostream>
                                  using namespace std;
                                  char a[5];
                                  int main(){
                                     cin>>a[0];
                                      if(a[0]>=65&&a[0]<=90)
                                          a[0]+=32;
                                      else if(a[0]>=97&&a[0]<=122)
                                         a[0]-=32;
                                     cout<<a[0]<<endl;
                                      return 0;
                                  }
                                  
                                  • -1
                                    @ 2022-1-2 14:55:53
                                    #include <stdio.h>
                                    #include <iostream>
                                    using namespace std;
                                    int main(){
                                        char a;
                                        cin>>a;
                                        if(a>=65&&a<=90){
                                                a+=32;
                                            }else if(a>=97&&a<=122){
                                                a-=32;
                                            }
                                        cout<<a;
                                        
                                    }
                                    
                                    • -1
                                      @ 2021-12-4 12:15:52
                                      //Write by: FSC711300
                                      #include <bits/stdc++.h>
                                      using namespace std;
                                      int main(){
                                          char a;
                                          cin>>a;
                                          if(a>=65&&a<=90){
                                                  a+=32;
                                              }else if(a>=97&&a<=122){
                                                  a-=32;
                                              }
                                          cout<<a;
                                          
                                      }
                                      
                                      • @ 2021-12-4 12:16:37

                                        大写A ASCII:65 小写a ASCII:97 两个中间差了32

                                    • -2
                                      @ 2024-7-31 9:55:17
                                      #include <iostream>
                                      using namespace std;
                                      int main()
                                      {
                                      	char a;
                                      	cin>>a;
                                      	if (a>=65&&a<90)
                                      	{
                                      		cout<<(a+=32);
                                      	}
                                      	else if(a>97&&a>122)
                                      	{
                                      		cout<<a-32;
                                      	}
                                      	return 0;
                                      }
                                      
                                      • -2
                                        @ 2023-4-4 20:33:29

                                        #include<bits/stdc++.h> using namespace std; int main() { char a; cin>>a; if(a>=65&&a<=90) a+=32; else if(a>=97&&a<=122) a-=32; cout<<a; return 0; }

                                        信息

                                        ID
                                        853
                                        时间
                                        1000ms
                                        内存
                                        128MiB
                                        难度
                                        4
                                        标签
                                        递交数
                                        1139
                                        已通过
                                        533
                                        上传者