USACO chapter2 section 2 Preface Numbering

USER: tian tianbing [tbbd4261]
TASK: preface
LANG: C++
Compiling...
Compile: OK
Executing...
Test 1: TEST OK [0.022 secs, 3012 KB]
Test 2: TEST OK [0.000 secs, 3012 KB]
Test 3: TEST OK [0.022 secs, 3012 KB]
Test 4: TEST OK [0.011 secs, 3012 KB]
Test 5: TEST OK [0.000 secs, 3012 KB]
Test 6: TEST OK [0.011 secs, 3012 KB]
Test 7: TEST OK [0.011 secs, 3012 KB]
Test 8: TEST OK [0.011 secs, 3012 KB]
All tests OK.

Your program ('preface') produced all correct answers! This is your submission #9 for this problem. Congratulations!

Here are the test data inputs:

------- test 1 -------
1
------- test 2 -------
20
------- test 3 -------
100
------- test 4 -------
500
------- test 5 -------
1000
------- test 6 -------
2974
------- test 7 -------
3213
------- test 8 -------
3499
Keep up the good work!

Thanks for your submission!

之所以提交了9次,就是因为代码中有system("pause"); 没编译错误,没提示 搞死了!!
不过还好做出来了,浪费了很多时间
/*
ID:tbbd4261
PROG:preface
LANG:C++
*/

#include
<fstream>
using namespace std;

ifstream  fin(
"preface.in");
ofstream  fout(
"preface.out");
 
  
//        {"","I","II","III","IV","V","VI","VII","VIII","IX"},
  
//        {"","X","XX","XXX","XL","L","LX","LXX","LXXX","XC"},
  
//        {"","C","CC","CCC","CD","D","DC","DCC","DCCC","CM"},
  
//        {"","M","MM","MMM"}

int cg[7][10]= {{0,1,2,3,1,0,1,2,3,1},  //I
                {0,0,0,0,1,1,1,1,1,0},  //V
                {0,0,0,0,0,0,0,0,0,1},//X
                {0,0,0,0,0,0,0,0,0,0},//L
                {0,0,0,0,0,0,0,0,0,0},//C
                {0,0,0,0,0,0,0,0,0,0},//D
                {0,0,0,0,0,0,0,0,0,0}//M
                };
int cs[7][10]= {
                {
0,0,0,0,0,0,0,0,0,0},//I
                {0,0,0,0,0,0,0,0,0,0},//V
                {0,1,2,3,1,0,1,2,3,1},//X
                {0,0,0,0,1,1,1,1,1,0},//L
                {0,0,0,0,0,0,0,0,0,1},//C
                {0,0,0,0,0,0,0,0,0,0},//D
                {0,0,0,0,0,0,0,0,0,0}//M
               };
 
int cb[7][10]={
                {
0,0,0,0,0,0,0,0,0,0},//I
                {0,0,0,0,0,0,0,0,0,0},//V
                {0,0,0,0,0,0,0,0,0,0},//X
                {0,0,0,0,0,0,0,0,0,0},//L
                {0,1,2,3,1,0,1,2,3,1},//C
                {0,0,0,0,1,1,1,1,1,0},//D
                {0,0,0,0,0,0,0,0,0,1}//M
                };
 
int cq[7][4]={
                {
0,0,0,0},//I
                {0,0,0,0},//V
                {0,0,0,0},//X
                {0,0,0,0},//L
                {0,0,0,0},//C
                {0,0,0,0},//D
                {0,1,2,3}//M
     };

int main()
{
    
int n,cnt0=0,cnt1=0,cnt2=0,cnt3=0,cnt4=0,cnt5=0,cnt6=0;
    fin
>>n;    
    
for(int i=1; i<=n; i++)
    {
            cnt0
+=cg[0][i%10];
            cnt1
+=cg[1][i%10];
            cnt2
+=cg[2][i%10]+cs[2][(i/10)%10];
            cnt3
+=cs[3][(i/10)%10];
            cnt4
+=cs[4][(i/10)%10]+cb[4][(i/100)%10];
            cnt5
+=cb[5][(i/100)%10];
            cnt6
+=cb[6][(i/100)%10+ cq[6][(i/1000)%10]; 
    }
    
if(cnt0)fout<<""<<cnt0<<endl;
    
if(cnt1)fout<<""<<cnt1<<endl;
    
if(cnt2)fout<<""<<cnt2<<endl;
    
if(cnt3)fout<<""<<cnt3<<endl;
    
if(cnt4)fout<<""<<cnt4<<endl;
    
if(cnt5)fout<<""<<cnt5<<endl;
    
if(cnt6)fout<<""<<cnt6<<endl;
    
//system("pause");  
    return 0;
}

posted on 2010-08-01 16:29 田兵 阅读(93) 评论(0)  编辑 收藏 引用 所属分类: USACO


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