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Update: Rename folder name to XSMOJ

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This commit is contained in:
Frederick Chen
2025-02-14 02:44:20 +00:00
parent 394e431a4a
commit c8863a5850
243 changed files with 11 additions and 39 deletions
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XSMOJ/数字统计.cpp Normal file
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#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdio>
#include <ctime>
using namespace std;
int main(){
int a,b,sum=0;
cin >>a>>b;
for(int i=a;i<=b;i++){
int c=i;
while(c){
if(c%10==2){
sum++;
}
c/=10;
}
}
cout <<sum;
return 0;
}