HDU1282+水题+模拟
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1 /* 2 模拟+回文数 3 */ 4 #include<stdio.h> 5 #include<string.h> 6 #include<stdlib.h> 7 #include<algorithm> 8 #include<iostream> 9 #include<queue> 10 #include<vector> 11 #include<map> 12 #include<math.h> 13 typedef long long ll; 14 //typedef __int64 int64; 15 const int maxn = 105; 16 const int maxm = 1005; 17 const int inf = 0x7FFFFFFF; 18 const double pi = acos(-1.0); 19 const double eps = 1e-8; 20 using namespace std; 21 int a[ maxn ]; 22 23 int judge( int n ){ 24 int pren = n; 25 int newn[ 105 ]; 26 int len = 0; 27 while( n!=0 ){ 28 newn[ len++ ] = n%10; 29 n/=10; 30 } 31 int nown = newn[0]; 32 for( int i=1;i<len;i++ ){ 33 nown*=10; 34 nown += newn[i]; 35 } 36 //printf("nown:%d\n",nown); 37 if( pren==nown ) return -1;//正序和倒序是相同的 38 else return (pren+nown); 39 } 40 41 int main(){ 42 int n; 43 while( scanf("%d",&n)!=EOF ){ 44 int cnt = 0; 45 if( judge(n)==-1 ){ 46 printf("0\n"); 47 printf("%d\n",n); 48 continue; 49 } 50 a[ cnt++ ] = n; 51 while( 1 ){ 52 a[ cnt++ ] = judge( n ); 53 n = a[ cnt-1 ]; 54 if( judge(n)==-1 ){ 55 //a[ cnt++ ] = n; 56 break; 57 } 58 } 59 60 printf("%d\n",cnt-1); 61 for( int i=0;i<cnt;i++ ){ 62 if( i==0 ) printf("%d",a[0]); 63 else printf("--->%d",a[ i ]); 64 } 65 printf("\n"); 66 } 67 return 0; 68 }
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