project_Eular problem6:求一到100的和平方与平方和之差

project_Eular problem6:求1到100的和平方与平方和之差

long tmpA=0,tmpB=0;

for(int i=1; i<=100; i++){

tmpA += i*i;

tmpB +=i;

}

cout << tmpB*tmpB - tmpA <<endl;