- 「一本通 5.3 练习 4」数字计数
- 又可以了的对拍
- @ 2025-5-30 20:43:04
#include<bits/stdc++.h>
#define int long long 
using namespace std;
int ans[21],ten[21];
struct int10{int a[10];};
void init(){
	ans[1]=ten[1]=1;
	for(int i=2;i<=20;i++){
		ten[i]=ten[i-1]*10;
		ans[i]=ans[i-1]*10+ten[i];
	}
}
int10 solve(int k){
	int num[21]={},tot=0,g=1,tk=k;
	while(k){
		num[++tot]=k%10;
		k/=10;
		if(!k)break;
		g*=10;
	}
	int sum[10]={};
	for(int i=tot;i>=1;i--,g/=10){
		tk-=ten[i]*num[i];
		for(int j=0;j<10;j++){
			sum[j]+=ans[i-1]*num[i];
			if(j<num[i])sum[j]+=ten[i];
			if(j==num[i])sum[j]+=tk+1;
		}
	}
	for(int i=1;i<=tot;i++)sum[0]-=ten[i];
	int10 tmp;
	for(int i=0;i<10;i++)tmp.a[i]=sum[i];
	return tmp;
}
signed main(){
	init();
	int a,b;
	cin>>a>>b;
	int10 x=solve(a-1),y=solve(b);
	for(int i=0;i<10;i++){
		cout<<y.a[i]-x.a[i]<<" ";
	}
}
0 comments
  
  No comments so far...
            Information
- ID
- 171
- Time
- 1000ms
- Memory
- 256MiB
- Difficulty
- 7
- Tags
- # Submissions
- 50
- Accepted
- 11
- Uploaded By
 
      