0_0_29334633_16116.cpp: In function 'int main()': 0_0_29334633_16116.cpp:19:10: error: 'S' was not declared in this scope else if(S[I]=='c') ^ 0_0_29334633_16116.cpp:19:12: error: 'I' was not declared in this scope else if(S[I]=='c') ^