26 lines
387 B
C
26 lines
387 B
C
|
#include <stdio.h>
|
||
|
|
int n[10] = {0};
|
||
|
|
unsigned long long count = 0;
|
||
|
|
int add(int *n);
|
||
|
|
int main(void){
|
||
|
|
unsigned long long i,number;
|
||
|
|
scanf("%llu",&number);
|
||
|
|
for(i = 0; i < number; i++)
|
||
|
|
add(n);
|
||
|
|
printf("%llu\n",count);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int add(int *n){
|
||
|
|
int i = 0;
|
||
|
|
n[0] += 1;
|
||
|
|
while(n[i] > 9){
|
||
|
|
n[i] %= 10;
|
||
|
|
n[++i] += 1;
|
||
|
|
}
|
||
|
|
for(i = 0; i < 10; i++)
|
||
|
|
if(n[i] == 1) count++;
|
||
|
|
return 0;
|
||
|
|
}
|