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The Famous Clock

2012年08月02日 语言入门 暂无评论 阅读 20 次

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

[cpp]
#include "iostream"
#include "cstdio"
#include "cstring"
using namespace std;
int main()
{
int n=0,k;
string a;
while(cin>>a)
{
printf("Case %d: ",++n);
if(a=="I")cout<<1<

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