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| int main(void){
int t_a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
int t_r[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
int* a = (int*)malloc(sizeof(int)*131072);
int* b = (int*)malloc(sizeof(int)*131072);
int* c = (int*)malloc(sizeof(int)*131072);
int* tmp;
a[0] = 1;
b[0] = 1;
int i = 0;
int r = 0;
int res;
int j = 0;
int len = 1;
for(;;){
r = 0;
for(j=0; j<len; j++){
res = r + a[j] + b[j];
c[j] = t_a[res];
r = t_r[res];
}
c[len] = r;
len += r;
tmp = b;
b = a;
a = c;
c = tmp;
i++;
if(len > 9 && pandigital(c) && pandigital(c+len-9)){
break;
}
}
free(a);
free(b);
free(c);
return 0;
} |