1 #include <stdio.h>
  2 int main ()
  3 {
  4     int ret1;
  5     int ret2;
  6     int ret3;
  7     double ret4;
  8     int ret5;
  9     int array[1000] = {0};
 10     int size;
 11     int p = 0 ;
 12     scanf("%d",&size);
 13     int i = size;
 14     while(i > 0)
 15     {
 16         scanf("%d",&array[p]);
 17         p++;
 18         i--;
 19     }
 20     int temp = 0; 
 21     int flag01 = 0;
 22     for(i = 0;i < size;i++)          //A1
 23     {
 24         if(array[i]%5 == 0&&array[i] % 2 == 0)
 25         {
 26             temp += array[i];
 27             flag01 = 1;
 28         } 
 29     } 
 30     if(flag01 == 1)
 31     {
 32         ret1 = temp;
 33      }                       
 34     
 35     /*int max = array[0];
 36     for(i = 0;i < size;i++)
 37     {
 38         if(array[i] > max)
 39         {
 40             max = array[i];
 41          } 
 42     } 
 43     */
 44     int flag = 1;                
 45     int sum = 0;
 46     int flag02 = 0; 
 47     for(i = 0;i < size;i++)          //A2
 48     {
 49         if(array[i] % 5 == 1)
 50         {
 51             sum += flag*array[i];
 52             flag = -flag;
 53             flag02 = 1;
 54         }
 55     }
 56     if (flag02 == 1)
 57     {
 58         ret2 = sum;
 59     }
 60     
 61     
 62     int cnt = 0;
 63     int flag03 = 0;
 64     for(i = 0;i < size;i++)    //A3
 65     {
 66         if(array[i] % 5 == 2)
 67         {
 68             cnt++;
 69             flag03 = 1;
 70         }
 71     }
 72     if(flag03 == 1)
 73     {
 74         ret3 = cnt;
 75     }
 76     
 77     double sum2 = 0;
 78     double cnt2 = 0;
 79     int flag04 = 0;
 80     for(i = 0;i < size;i++)       //A4
 81     {
 82         if(array[i] % 5 == 3)
 83         {
 84             cnt2++;
 85             sum2 += array[i];
 86             flag04 = 1;
 87         } 
 88     }
 89     if(flag04 == 1)
 90     {
 91         ret4 = sum2/cnt2;
 92      } 
 93     
 94     
 95     int max = 0;
 96     int flag2 = 0; //判断有无余4的数字 
 97     for(i = 0;i < size;i++)          //A5
 98     {
 99         if(array[i] % 5 == 4)
100         {
101             if(flag2 == 0)
102             {
103                 max = array[i];
104                 flag2 = 1;
105             }
106             if(array[i] > max)
107             {
108                 max = array[i];
109             }
110          } 
111     }
112     if(flag2 != 0 )
113     {
114         ret5 = max;
115      } 
116      if(flag01 == 1)
117      printf("%d ",ret1);
118      else
119      printf("N ");
120      if(flag02 == 1)
121      printf("%d ",ret2);
122      else
123      printf("N ");
124      if(flag03 == 1)
125      printf("%d ",ret3);
126      else
127      printf("N ");
128      if(flag04 == 1)
129      printf("%.1lf ",ret4);
130      else
131      printf("N ");
132      if(flag2 == 1)
133      printf("%d",ret5);
134      else
135      printf("N");
136     
137     
138     return 0;
139  }