23 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
        @ 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; }

                                      • -2
                                        @ 2023-3-23 21:00:59

                                        #include #include using namespace std; int main() { int a; cin>>a; if(a%4==0&&a%100!=0) { cout<<"Y"; }else{ cout<<"N" ; } return 0; }

                                        大小写字母转换

                                        信息

                                        ID
                                        853
                                        时间
                                        1000ms
                                        内存
                                        128MiB
                                        难度
                                        4
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