- 「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]<<" ";
}
}
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Information
- ID
- 171
- Time
- 1000ms
- Memory
- 256MiB
- Difficulty
- 7
- Tags
- # Submissions
- 48
- Accepted
- 10
- Uploaded By