View Compilation Error

0_0_24705405_26697.cpp: In function 'int main()':
0_0_24705405_26697.cpp:111:13: error: 'i' was not declared in this scope
         for(i = 0;i<sum[1].a;i++)
             ^
0_0_24705405_26697.cpp:115:13: error: 'i' was not declared in this scope
         for(i = 0;i<sum[1].b;i++)
             ^