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AleaderKimo
2023-02-25 22:09:40 +08:00
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commit bb93b51e13
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#121. 特殊 a 串数列和.cpp Normal file
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#include <iostream>
#include <cstring>
#include <cstdio>
#include <iomanip>
using namespace std;
int main(){
int sum1=0,sum2=0;
int a,n;
cin >>n>>a;
for(int i=0;i<n;i++){
sum1=sum1*10+a;
sum2+=sum1;
}
cout <<sum2;
return 0;
}