Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
70143 游四鑫 31忽略大小写的字符串比较 C++ Compile Error 0 MS 0 KB 388 2024-04-13 17:25:19

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ string a,b; getline(cin,a); getline(cin,b); for(int i=0;i<=a.size();i++){ if(a[i]>="a"&&a[i]<="z")a[i]=a[i]-32; } for(int i=0;i<=b.size();i++){ if(b[i]>="a"&&b[i]<="z")b[i]=b[i]-32; } if(a>b){ cout<<">"; } else if(a<b){ cout<<"<"; } else{ cout<<"="; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:8:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<=a.size();i++){
                ^
Main.cc:9:13: warning: comparison with string literal results in unspecified behaviour [-Waddress]
    if(a[i]>="a"&&a[i]<="z")a[i]=a[i]-32;
             ^
Main.cc:9:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:9:24: warning: comparison with string literal results in unspecified behaviour [-Waddress]
    if(a[i]>="a"&&a[i]<="z")a[i]=a[i]-32;
                        ^
Main.cc:9:24: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:13:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<=b.size();i++){
                ^
Main.cc:14:13: warning: comparison with string literal results in unspecified behaviour [-Waddress]
    if(b[i]>="a"&&b[i]<="z")b[i]=b[i]-32;
             ^
Main.cc:14:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:14:24: warning: comparison with string literal results in unspecified behaviour [-Waddress]
    if(b[i]>="a"&&b[i]<="z")b[i]=b[i]-32;
                        ^
Main.cc:14:24: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]