Main.cc: In function 'int main()':
Main.cc:9:12: error: unable to find character literal operator 'operator""and' with 'char' argument
if(c[i]>='0'and c[i]<='9'){
^
Main.cc:9:19: error: expected ')' before 'c'
if(c[i]>='0'and c[i]<='9'){
^
Main.cc:4:20: warning: unused variable 'a' [-Wunused-variable]
char c[100000001],a,b;
^
Main.cc:4:22: warning: unused variable 'b' [-Wunused-variable]
char c[100000001],a,b;
^