View Compilation Error

0_0_33715180_32143.cpp: In function 'int main()':
0_0_33715180_32143.cpp:61:12: error: redeclaration of 'int flag'
        int flag = 0;
            ^
0_0_33715180_32143.cpp:59:12: note: 'int flag' previously declared here
        int flag=0;
            ^