小学生答题报告C语言算法,c语言 小学生两位数与两位数加法测验程序，要求用户可以指定题目数量，练习结束后报告正确与错误的题目数...

#include int main()

{

int TestNum;

int Adder1, Adder2, Result;

int RandSeed;

int i;

int Record = 0;

printf("Please Enter Total Test Number!n");

scanf("%d", &TestNum);

if (TestNum <= 0)

{

printf("Sorry,Please Input A Positive Integern");

exit(0);

}

for (i = 0; i < TestNum; i++)

{

srand(i);

Adder1 = (unsigned)rand() % 100;

Adder2 = (unsigned)rand() % 100;

printf("N%d: %2d + %2d = ?n", i, Adder1, Adder2);

printf("Please Enter The Resultn");

scanf("%d", &Result);

if (Result == Adder1 + Adder2)

{

printf("Congratuations! It is right.nn");

Record++;

}

else

{

printf("Oh, No, Please Try Againnn");

}

}

printf("Right:%dn",Record);

printf("Wrong:%dn",TestNum - Record);

printf("Right Ratio:%3.2f%%n",(float)Record * 100 / TestNum);

return 0;

}

编译环境：C-Free 5.0 @Windows Xp