int answer, result;
switch (op) {
case 1:
printf(\ result = a + b; break; case 2:
printf(\ result = a - b; break; case 3:
printf(\ result = a * b; break; case 4:
if (b != 0) {
printf(\ result = a / b; }
else {
printf(\ }
break; default:
printf(\ break; }
scanf(\ if (result == answer) return 1; else
return 0; }
/* 函数功能： 打印结果正确与否的信息。
函数参数： 整型变量flag，标志结果正确与否 函数返回值：无 */
void Print(int flag) {
if (flag)
printf(\ else
printf(\ }
main() /*主函数*/ {
int a, b, answer, error, score, i, op;
srand(time(NULL)); error = 0; score = 0;
for (i=0; i<10; i++) {
a = rand() + 1; b = rand() + 1;
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}
}
op = rand()%4 + 1;
answer = Compute(a, b, op); Print(answer); if (answer == 1)
score = score + 10; else
error++;
printf(\
程序运行结果如下：
4+6=10↙ Rright! 9-9=0↙ Rright! 7-8=-1↙ Rright! 2-7=-2↙ Rright! 4-10=-6↙ Rright! 7/1=7↙ Rright! 7+10=17↙ Rright! 5+7=11↙ Not correct! 3*8=24↙ Rright! 2/7=0↙ Rright!
score = 90, error numbers = 1
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