28 lines
295 B
C++
28 lines
295 B
C++
#include<bits/stdc++.h>
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using namespace std;
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int main() {
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int n,k;
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int s=0,b=0;
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cin >> n >> k;
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while(1)
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{
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n--;
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s++;
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b++;
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if(b==k)
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{
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n++;
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b=0;
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}
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if(n==0 && b<k)
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{
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break;
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}
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}
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cout<<s;
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return 0;
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}
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