124752

Run ID	作者	问题	语言	测评结果	Time	Memory	代码长度	提交时间
124752	晏莞煜	字符的前导值和后继值	C++	Compile Error	0 MS	0 KB	499	2025-07-12 12:10:28

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ char a=getchar(); if(c-1>=32 && c-1<=126){ cout<<c-1<<endl; }else{ cout<<"Input Error!"<<endl; } if(c+1>=32 && c+1<=126){ cout<<c+1<<endl; }else{ cout<<"Input Error!"; } /** char n=getchar(); if(n>='A' and n<='Z'){ cout<<char(n-32); }else{ if(n>='a' and a<='z'){ cout<<char(n-32); }else{ if(n>='0' and n<='9'){ cout<<n-'0'; }else{ cout<<"Other"; } } } **/ return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:5:5: error: 'c' was not declared in this scope
  if(c-1>=32 && c-1<=126){
     ^
Main.cc:10:5: error: 'c' was not declared in this scope
  if(c+1>=32 && c+1<=126){
     ^
Main.cc:4:6: warning: unused variable 'a' [-Wunused-variable]
 char a=getchar();
      ^