1122:0 start-up algorithm 29--grade sub-system

1122:0 start-up algorithm 29--rating system time limit:1 Sec Memory limit:64 MB 64bit IO Format:%lld
submitted:2657 accepted:1379
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Training team implementation of the grading system.
Starting point 1500. Add 5 points to an intensive training session and add 5 points if the top 10
Now enter the number of times a classmate participates and the number of top ten, you give him rank

Grade Level     
<1600       D
1600~1699   C
1700~1799   B
>=1800      A

Input

Enter 2 integers, representing the number of participants in the training and the number of top 10 (multiple groups of data)

Output

Output level (one row per set of data)

Sample Input

3 3

Sample Output

D

Source

0 Starting point Learning algorithm

1#include <stdio.h>2 intMain () {3     intn,m;4      while(SCANF ("%d%d", &n,&m)! =EOF) {5         intcout= the+5*n+5*m;6         if(cout< the)7printf"d\n");8         Else if(cout<1700)9printf"c\n");Ten         Else if(cout<1800) Oneprintf"b\n"); A         Else  -printf"a\n"); -     } the     return 0; -}

1122:0 start-up algorithm 29--grade sub-system