0_0_34077911_2930.cpp: In function 'int main()': 0_0_34077911_2930.cpp:38:8: error: expected ';' before 'int' int len=strlen(ss); ^ 0_0_34077911_2930.cpp:40:20: error: 'len' was not declared in this scope for(int i=0; i<len; i++) ^