pku1012 Joseph

Source CodeProblem: 1012User: zz_1215Memory: 164KTime: 0MSLanguage: C++Result: AcceptedSource Code#include <stdio.h>int main(){    int k;    for(;;)    {        scanf("%d",&k);        if(!k)        break;        switch(k)        {            case 1:printf("2\n");break;            case 2:printf("7\n");break;            case 3:printf("5\n");break;            case 4:printf("30\n");break;            case 5:printf("169\n");break;            case 6:printf("441\n");break;            case 7:printf("1872\n");break;            case 8:printf("7632\n");break;            case 9:printf("1740\n");break;            case 10:printf("93313\n");break;            case 11:printf("459901\n");break;            case 12:printf("1358657\n");break;            case 13:printf("2504881\n");break;        }    }    return 0;}