nyoj 484 the famours clock

The Famous Clock

时间限制：1000 ms  |  内存限制：65535 KB

难度：1

描述
Mr. B, Mr. G and Mr. M are now in Warsaw, Poland, for the 2012’s ACM-ICPC World Finals Contest. They’ve decided to take a 5 hours training every day before the contest. Also, they plan to start training at 10:00 each day since the World Final Contest will do so. The scenery in Warsaw is so attractive that Mr. B would always like to take a walk outside for a while after breakfast. However, Mr. B have to go back before training starts, otherwise his teammates will be annoyed. Here is a problem: Mr. B does not have a watch. In order to know the exact time, he has bought a new watch in Warsaw, but all the numbers on that watch are represented in Roman Numerals. Mr. B cannot understand such kind of numbers. Can you translate for him?

输入Each test case contains a single line indicating a Roman Numerals that to be translated. All the numbers can be found on clocks. That is, each number in the input represents an integer between 1 and 12. Roman Numerals are expressed by strings consisting of uppercase ‘I’, ‘V’ and ‘X’. See the sample input for further information.输出For each test case, display a single line containing a decimal number corresponding to the given Roman Numerals.样例输入I
II
III
IV
V
VI
VII
VIII
IX
X
XI
XII
样例输出Case 1: 1
Case 2: 2
Case 3: 3
Case 4: 4
Case 5: 5
Case 6: 6
Case 7: 7
Case 8: 8
Case 9: 9
Case 10: 10
Case 11: 11
Case 12: 12
#include<stdio.h>
#include<string.h>
int main()
{
 char a[5];
 int i=0,t;
 while(scanf("%s",a)!=EOF)
 {
  if(strcmp(a,"I")==0) t=1;
        if(strcmp(a,"II")==0) t=2;
        if(strcmp(a,"III")==0) t=3;
        if(strcmp(a,"IV")==0) t=4;
  if(strcmp(a,"V")==0) t=5;
  if(strcmp(a,"VI")==0) t=6;
  if(strcmp(a,"VII")==0) t=7;
  if(strcmp(a,"VIII")==0) t=8;
  if(strcmp(a,"IX")==0) t=9;
  if(strcmp(a,"X")==0) t=10;
  if(strcmp(a,"XI")==0) t=11;
  if(strcmp(a,"XII")==0) t=12;
  printf("Case %d: %d\n",++i,t);
 }
 return 0;
}