0_0_27382343_30081.cpp: In function 'int main()': 0_0_27382343_30081.cpp:11:4: error: 'sum2' was not declared in this scope sum2+=i*i*i; ^ 0_0_27382343_30081.cpp:13:4: error: 'sum1' was not declared in this scope sum1+=i*i; ^