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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1的个数.cpp Normal file
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#include <iostream>
#include <cmath>
#include <cstdlib>
#include <cstdio>
#include <iomanip>
using namespace std;
int main(){
int a;
int b=0;
cin >>a;
for(int i=1;i<=a;i++){
int j=i;
while(j){
if(j%10==1){
b++;
}
j/=10;
}
}
cout <<b;
return 0;
}