我想分割整數,但得到0作爲結果。我只是不明白我做錯了什麼。我在這個例子中只使用了int,但使用float或double獲得了相同的結果測試。除錯結果
我使用的代碼是:
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));
結果我得到的是:
2011-01-09 16:45:53.411 XX [8296:207] askedQuestions:5
2011-01-09 16:45:53.412 XX [8296:207] playerResult:2
2011-01-09 16:45:53.412 XX [8296:207] wrongAnswers:3
2011-01-09 16:45 :53.413 XX [8296:207]%正確率:0%
2011-01-09 16:45:53.414 XX [8296:207] percent錯誤:0%
2011-01-09 16:45:53.414 XX [8296:207] calc:5
2011-01-09 16 :45:53.415 XX [8296:207]錯誤的答案:0%
我將非常感謝幫助:-)
或者只是以相反方式(乘,然後除)和保存演員:) – schnaader 2011-01-09 15:57:02