0_0_19886492_23696.cpp: In function 'int main()': 0_0_19886492_23696.cpp:9:19: error: 'strcmp' was not declared in this scope if(!strcmp(s,"#"))return 0; ^ 0_0_19886492_23696.cpp:10:13: error: 'strlen' was not declared in this scope n=strlen(s); ^