View Compilation Error

0_0_19657807_17255.cpp:55:14: error: stray '\241' in program
              if(str[i]-‘A‘<26){  
              ^
0_0_19657807_17255.cpp:55:14: error: stray '\256' in program
0_0_19657807_17255.cpp:55:14: error: stray '\241' in program
0_0_19657807_17255.cpp:55:14: error: stray '\256' in program
0_0_19657807_17255.cpp:56:18: error: stray '\241' in program
                  num[str[i]-‘A‘] ++;  
                  ^
0_0_19657807_17255.cpp:56:18: error: stray '\256' in program
0_0_19657807_17255.cpp:56:18: error: stray '\241' in program
0_0_19657807_17255.cpp:56:18: error: stray '\256' in program
0_0_19657807_17255.cpp: In function 'int main()':
0_0_19657807_17255.cpp:51:46: error: 'strcmp' was not declared in this scope
      while(scanf("%s", str)&&strcmp(str,"END")!=0){  
                                              ^
0_0_19657807_17255.cpp:53:26: error: 'strlen' was not declared in this scope
          len = strlen(str);  
                          ^
0_0_19657807_17255.cpp:55:26: error: 'A' was not declared in this scope
              if(str[i]-‘A‘<26){  
                          ^