0_0_32648709_2558.cpp: In function 'int main()': 0_0_32648709_2558.cpp:54:4: error: expected ';' before 'if' if(s=='?'){ ^ 0_0_32648709_2558.cpp:60:4: error: 'else' without a previous 'if' else c[0][i]=s-'0'; ^