Usaco-dualpal-pass

The two questions are not quite different:

/*ID: qq104801LANG: C++TASK: dualpal*/#include <stdio.h>#include <stdlib.h>#include <string.h>#include <assert.h>/* for debug only:counter*/void debug_dummy(void){    return;}int n,s;char x[32];char num[]={‘0‘,‘1‘,‘2‘,‘3‘,‘4‘,‘5‘,‘6‘,‘7‘,‘8‘,‘9‘};void xnum(int a,int b){    int i=0;    int c=a;    while(c!=0)    {        x[i]=num[c%b];        c=c/b;        i++;    }    x[i]=‘\0‘;    //printf("%s  len:%d\n",x,strlen(x));    }int ispalindromes(char* s){    int l=strlen(s);    int f=1;    for(int i=0;i<(l/2);i++)    {        if(s[i]!=s[l-i-1])        {            f=0;            break;        }    }    return f;}void test(FILE* f){    int count=0,jj;    int i;    i=s;    while(i++)    {        jj=0;        for(int j=2;j<=10;j++)          {                  xnum(i,j);            if (ispalindromes(x))            {                jj++;                if (jj==2)                {                    fprintf(f,"%d\n",i);                    //printf("%d %d %s\n",i,j,x);                      count++;                    if (count>(n-1))                        return;                    break;                  }            }        }    }}main () {        FILE *fin = fopen ("dualpal.in", "r");    FILE *fout = fopen ("dualpal.out", "w");     fscanf(fin,"%d %d",&n,&s);    //printf("%d\n",base);    test(fout);    fclose(fin);    fclose(fout);    exit (0);}

Test cases:

USER: ll tom [qq104801]TASK: dualpalLANG: C++Compiling...Compile: OKExecuting...   Test 1: TEST OK [0.005 secs, 3496 KB]   Test 2: TEST OK [0.003 secs, 3496 KB]   Test 3: TEST OK [0.008 secs, 3496 KB]   Test 4: TEST OK [0.008 secs, 3496 KB]   Test 5: TEST OK [0.011 secs, 3496 KB]   Test 6: TEST OK [0.011 secs, 3496 KB]   Test 7: TEST OK [0.008 secs, 3496 KB]All tests OK.Your program (‘dualpal‘) produced all correct answers! This is your submission #2 for this problem. Congratulations!Here are the test data inputs:------- test 1 ----5 1------- test 2 ----9 10------- test 3 ----15 9900------- test 4 ----10 90------- test 5 ----12 125------- test 6 ----12 1900------- test 7 ----8 500Keep up the good work!Thanks for your submission!

 

Usaco-dualpal-pass