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17 lines
252 B
C++
17 lines
252 B
C++
#include <iostream>
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#include <cstring>
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#include <cstdio>
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#include <iomanip>
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using namespace std;
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int main(){
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int sum1=0,sum2=0;
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int a,n;
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scanf("%d%d",&n,&a);
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for(int i=0;i<n;i++){
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sum1=sum1*10+a;
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sum2+=sum1;
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}
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printf("%d",sum2);
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return 0;
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}
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