22 lines
445 B
C++
22 lines
445 B
C++
#include<bits/stdc++.h>
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using namespace std;
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int main(){
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string str;
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cin >> str;
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int sum=0;
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for (int i = 0; j = 1;i<str.size()-1;i++)
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if(str[i]!='-'){
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sum += (str[i] - '0') * j;
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j++;
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}
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sum %= 11;
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char c = 'X';
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if(sum<10)c='0'+sum;
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if (c == str.back()) puts("Right");
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else{
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str.back() = c;
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cout << str << endl;
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}
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return 0;
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} |