我正在尝试除以整数,但结果为 0。我只是不明白我做错了什么。我在这个例子中只使用了 int,但使用 float 或 double 得到相同的结果测试。
我使用的代码是:
int wrongAnswers = askedQuestions - playerResult;
int percentCorrect = (playerResult / askedQuestions) * 100;
int percentWrong = (wrongAnswers / askedQuestions) * 100;
NSLog(@"askedQuestions: %i", askedQuestions);
NSLog(@"playerResult: %i", playerResult);
NSLog(@"wrongAnswers: %i", wrongAnswers);
NSLog(@"percentCorrect: %i", percentCorrect);
NSLog(@"percentWrong: %i", percentWrong);
NSLog(@"calc: %i", (wrongAnswers + playerResult));
NSLog(@"wrong answers %: %i %%", ((wrongAnswers / askedQuestions) * 100));
我得到的结果是:
2011-01-09 16:45:53.411 XX[8296:207]问问题:5
2011-01-09 16:45:53.412 XX[8296:207] playerResult: 2
2011-01-09 16:45:53.412 XX[ 8296:207] 错误答案:3
2011-01-09 16:45:53.413 XX[8296:207] 百分比正确:0 %
2011-01-09 16:45:53.414 XX[8296: 207] 百分比错误:0 %
2011-01 -09 16:45:53.414 XX[8296:207] 计算:5
2011-01-09 16:45:53.415 XX[8296:207] 错误答案:0 %
我非常感谢帮助:-)