這是我工作的問題:http://www.codechef.com/problems/HS08TEST/CodeChef#3,簡單,也能收到錯誤的答案
這是我的解決方案:
#include <stdio.h>
int main (void) {
int withdraw_i;
float balance_i;
scanf("%d %f", &withdraw_i, &balance_i);
if(withdraw_i % 5 == 0) {
if(withdraw_i <= balance_i) {
float result = balance_i - withdraw_i - 0.5;
printf("%.2f", result);
}
else {
printf("%.2f", balance_i);
}
}
else {
printf("%.2f", balance_i);
}
return 0;
}
(在C) 它完全適用於頁面上顯示的測試,但是,當我提交它時,我仍然不斷收到錯誤「錯誤的答案」,發生了什麼事?
不要爲錢使用浮點數! – Svante 2011-02-06 16:39:51