乙級真題-1002-數字分類 (20)
阿新 • • 發佈:2018-12-11
#include <iostream> #include <bits/stdc++.h> using namespace std; int main() { int ans1,ans2,ans3,ans5,cnt; ans1=ans2=ans3=ans5=cnt=0; double ans4=0; int N,num; int flag = 1; cin >> N; for(int i = 0; i < N; i++){ cin >> num; switch(num%5){ case 0: if(num%2==0) ans1 += num; break; case 1: ans2 += flag*num; flag*=-1;break; case 2: ans3++;break; case 3: ans4 += num;cnt++;break; case 4: if(num > ans5) ans5 = num;break; } } if(ans1==0) cout << "N "; else cout << ans1 << " "; if(ans2==0) cout << "N "; else cout << ans2 << " "; if(ans3==0) cout << "N "; else cout << ans3 << " "; ans4 /= cnt; if(cnt==0) cout << "N "; else printf("%.1lf ",ans4); if(ans5==0) cout << "N"; else cout << ans5; return 0; }