#include <stdio.h> int main() { int year = 0; int month = 0; int day = 0; //平年1~11月總天數(shù) int arr[] = {0, 31, 31+28, 31*2 +28, 31*3+28-1,31*4+28-1, 31*5+28-2, 31*6+28-2, 31*7+28-2, 31*8+28-3, 31*9+28-3, 31*10 +28-4}; while(scanf("%d %d %d",&...